Blazor is slow. Taking multiple seconds for code suggestions.

Blazor is slow Let's talk first about the strings and the textbox filter that appears in the header. Sort Blazor WebAssembly slow at compile (up to 30 secs) 3. Net 8 It won't even build an android apk without taking 20 minutes and failing For Blazor, this may or may not be performant enough depending on JSON payload size or object graph complexity. I tried the lazyloading approach and made my application 8mb upon loading, However it still take long to initial load My asp. Then that runtime downloads and interprets IL from your dlls, and this is quite slow compared to scenario where your assemblies are compiled directly to WASM. I have been frustrated by the speed of the RadZen IDE. razor file into your Components folder with the following using statements. Net 8 Blazor App with server rendering perhaps will help with this issue, but is there any workaround for now other than AOT and lady loading because that doesn't really help or I pretty much have to wait for the release of . I followed the Get Started docs and how to run the application steps from the ABP IO docs. xml and so on, everything is fine, but in the mixed . Bind in blazor is delayed by 1 step. @MhAllan as @henon stated, this issue is because of your latency to the hosted server. It just took less than 8 min before, using Dot Net6. The following changes I recommend for speeding up build times. Maybe it is only for me, but I can see a little lag after each click; I have a blazor server application. Any project goes above 20-30 . The largest branch right now has 25 nodes in it. My app allows creating and editing the order, adding line items, and editing those line items in a detail panel. 04 VPS with 2GB RAM, it runs horribly slow. Hi, I have recently stared using Radzen Blazor Components and started using a data list with a pager, but for some reason it is very slow. NET6 and we are still testing how to apply the blazor serverside for our requirements. This is one of the reasons I switched to blazor server. Blazor is a year or 2 away from being so good the community will just refuse to let it die, if Microsoft pulls the plug I’ll become a contributor, it’s too beautiful for me to let it die, imagine multithreaded, reasonably sized web apps, That began the slow death. I noticed it is taking 20 seconds to load it initially. x and . That yielded no difference, still slow. Improving Blazor rebuild speeds. NET8 3. anyone Description For a certain project I have to load CSV files in Blazor WebAssembly and use the DataFrame from the Microsoft. Viewed 166 times Client-side Blazor using SendAsync for a GetRequest with CORS for an API request. Share. Ask Question Asked 6 months ago. NET 8. @using System. Enabling the ‘Ahead-of-time (AOT) compilation’ in the Project Properties will automatically add the following two PropertyGroup sections to your Blazor WebAssembly project (. The only way I know that might be possible for you to achieve fast interop with huge arrays of Number, would be for you to: Pre allocate a large array from dotnet. Slow Refresh Rates in Blazor Local IIS Site Recently, in Blazor 7, a feature has been added to make it easier to bind and call the method based on changes in the bound expression. 3 Blazor Server app with many requests make website unstable. 2 UI type: Blazor WebAssembly; DB provider: EF Core /; Hi, Intellisense is very slow when running on Blazor WebAssembly project. As you can see in the code I tried adding adding some FileOptions to the FileStream but that had no effect on the speed. Without out seeing your project file its hard to determine exactly why things are taking so long. @HenkHolterman - Personally I don't think clicking the stopwatch is the answer. My hypothesis is that ShouldRender() method of the components hasn't been properly implemented. [Blazor] Slow startup and navigation when debugging #80446. g Blazor WebAssembly slow at compile (up to 30 secs) 3. I have a class that can check the HTTP issues like notfound, BadReqest, and public class . This is on a relatively new laptop which doesn't have the same issue with other project types. At least it will take 4-5 sec and sometimes jump to over 20-30 sec to apply the hot reload. Do you have any ideas why its so? Using server-side Blazor has a couple of drawbacks, which you must take into account, when you have to decide which flavor of Blazor to use. This approach allows you to Blazor app slow loading due to multiple json downloading and parsing. 0 AJAX loading MVC views being slow. It is indeed the debugger attaching, and Chrome is just as slow (w/debugger attached). To work with Blazor component virtualization, you need . So far so good, but there is a one problem. Support is good, they respond pretty fast (not better o worst than DevExpress in my experience) but many times their responses are not what you want to hear. Project Type: Blazor WebAssembly DotNet hosted. I want to create a support thread for those like me with large Blazor/Razor solutions and long build times in Visual Studio. Hello, i have couple of WPF projects that i am currently porting to Blazor. 2 Optimise loading large dataset to a table in This is an average of ten runs on a Pixel 5 device. Blazor server StateHasChanged() does not refresh data. 6s. You need to add a _Imports. It takes 1 sec to apply hot reload. NET 5 and numerous improvements have been made since then and performance seems to be much better in . Commented Dec 19, 2022 at 6:24. NET. The solution. I have decided for comparison to use my favorite Blazor UI Library - Mudblazor main website for comparison. I have a Blazor Server application which is super fast and very responsive on Edge, Chrome and Firefox on Well, Blazor does not support direct css modification yet, since Web Assembly doesn't. Blazor app slow loading due to multiple json downloading and parsing. Rendering takes longer time, We have checked that Data from API is fast, after data is reached on UI grid rendering takes long time I removed all template columns just kept one column then also rendering is slow Also Hello, not only the first render of Radzen's Blazor DataGrid's is slow with large number of columns, its response to every action is also unnecessarily slow. Progress Telerik UI for Blazor is a collection of 100+ native components for building cross-platform applications. Cancel 2 Answers, 1 is accepted. between DIY and using a full-blown reactive UI framework. Static routing. I created a new Blazor Web Assembly app from visual studio 2022, Client side Blazor: Slow load of a resource. In my test app - which I can supply. Blazor Server File Upload Very Slow. This directive helps Blazor track changes to For smaller amount of controls this is obviously fine, but for larger lists that can get expensive and slow down your performance. Our goal was for . razor. By leveraging these adaptors along with the SfDataManager component, you can seamlessly bind remote data sources to the grid and execute actions. Commented Jul I have searched the existing issues Describe the bug I have a Blazor WASM project that I developed in . I have done many Vuetify projects, and they look much smoother, but I have better developing experience with Blazor. Tips for Optimized Component Rendering A Blazor Server application (for example, hosted on Azure) should work just fine for clients connected through a fiber connection at their place of business. Also, blazor has evolved from 6 to 7 to 8 and folks not actively building in blazor are more likely to have outdated perceptions of the technology. You switched accounts on another tab or window. Hi. Get a processor with high turbo clock rate, around 4GHZ-5GHZ. Reload to refresh your session. ABP. net core grid (js based) radzen grid. If you host a Blazor Server in your own region it will not be as bad - and if you host it as a webassembly app it will be instant since everything is calculated locally. Follow I am working with a dataset of about 300,000 items and my DataGrid is slow to respond when clicking around in the filters. Eventually I realised I was running IIS Express 8. Blazor - Web assembly loading time. I know that I can use the "Virtual Scrolling", but the final effe ComboBox for Blazor - The editor is slow compared to other similar components | DevExpress Support Blazor app slow loading due to multiple json downloading and parsing. But if they’re mobiles on a poor 3G connection in a country not well served by Azure, the responsiveness of the app will suffer. Blazor is a complex configuration. In a non-Blazor . We made some improvements but the build Why are Blazor Builds so slow in general? #650. The problem is that using MudBlazors MudTree-component this tree becomes very slow to use, when you click a checkbox there's almost a 1 second delay before something For me it means annoying slower components, because Blazor is basically slow. Taking multiple seconds for code suggestions. Telerik's grid, I went deeper into the issue and discovered that this is primarily rooted in the performance of Blazor WebAssembly, not MudBlazor. Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Share a @HenkHolterman - Personally I don't think clicking the stopwatch is the answer. It appears that on initial app load it calls out to the OidcController which significantly slows down the main panel from appearing. The internal network is available to both. Hot Network Questions It's difficult to tell what exactly is causing the performance to be "slow" without seeing any code, and you haven't provided any minimally reproducible code, Client side Blazor: Slow load of a resource. ( Not Acceptable ) I have a Blazor Webassembly PWA application with two razor pages: Index. As you will appreciate this just isn't usable. And because it still do not have I have seen with Blazor server where the initial circuit connection to signalr can take time to negotiate leaving you with a white screen. By implementing AOT compilation, utilizing lazy loading, and optimizing rendering processes, you can significantly enhance your application's responsiveness and user experience. So, can we expect blazor apps to be smooth when growing in regular size apps? I don't think I've ever seen a (serious) post that claims that Blazor Server's performance is bad. For example, this user on Blazor WebAssembly (WASM) has become a popular choice for developers looking to create rich, interactive web applications using C#. Data. So if I wanted a I have a performance issue with my blazor wasm application. That's clearly not the case. I have setup the . Framework: . daniel-p-tech opened this issue Jan 7, 2023 If I use one of the 6. Performance: Blazor WASM lags behind traditional JavaScript frameworks in terms of performance. JSON serialization is very slow when compared to XML. Bluetooth. Is there any way to quickly open a new tab? Maybe there is some sort of caching I don't aware of. Blazor size and load time drawback is quoted in any article/discussion talking about blazor. Analysis package. We are using blazor wasm, so I aim to only use IJSInRuntime whenever I can to always call functions synchronously to furthermore reduce overhead. it takes 15 seconds for 4 records to load. Rx), which in my opinion is the only reasonable way to solve such problems in normal scenarios. This slow performance in BSS is because the Masking is implemented natively in C# and any kind of latency will affect it. @jjonescz If you want to diagnostics some performance issues, maybe you can start to analyze compilation of the Fluent UI Blazor components project. With . you can see and read more about this in : github issue in . What I've Tried. Blazor wasm in mobile browser sometimes rendering is slower than desktop browsers. 0, the compilation and debugging is very very slow (The project compiled before in 3sec, and now it is around 40sec). 0, deserialization is very slow. on my 4 year old Mac hosting a windows vm, the default blazor Wasm app with core hosting: 1) rebuild: 5 seconds 2) run without debug, no code changes: 2 seconds 3) run without debug blazor code change: 5 seconds Describe the bug. 0 Blazor Server-Side download issues in IIS. 0. This problem is related to very slow string parsing in Blazor. Rank 1. It sounds like there are 2 issues - build time and performance. microsoft. I have created a blazor wasm which is 12mb in size. I have to quadruple double click on quick actions, sometimes it doesnt work at all. You signed out in another tab or window. I have noticed that using MS Edge during development takes forever to load the initial assets compared to other browsers. See our maui-profiling repo for details on how these numbers were obtained. Run() it will actually run on the main thread and block the UI. That same project in VS 2022 takes about 90 seconds to compile and load. NET Core, of course this was around the time of . Blazor is almost twice as slow as React which would be noticeable on lower spec hardware. So I tried to display rive animation ("/" page) with Blazor WASM (basic template). One to power the Blazor WebAssembly application, and one to Good day everyone . Blazor - Blazor WebAssembly Application. so check your memory usage. This section applies to Blazor Web Apps. When I was talking from my app I was talking about pure blazor, not blazorize. 9. 3 ASP . I had exactly the same issue on Ant Blazor. Net5 wasm debugging was fast, net6 has the issues mentioned. Commented Jul Just started running VS 2022 Enterprise last week. Closed mikes-gh opened this issue Jan 21, 2021 · 14 comments Closed Why are Blazor Builds so With . The “up and running in 30 seconds It was super slow tho, even after switching to Intel HAXM. Anyway heads up, it is on the road-map for Web Assembly/Blazor. If all folder structure is in the same project the hot reload In VS 2019, my small Blazor Server project compiles and loads in 15 to 30 seconds. Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Share a First of all I want to say that I really like the Blazor framework and in particular, Blazor Server. Improve this question. Our last experiment is with Blazor WebAssembly. At least for now. It's not clear how useful this even is besides interop with existing Blazor tools, and this version is still in the planning phases. NET 6 AOT. Follow asked Nov 27, 2022 at 9:37. But when I’m using MudBlazor, the hot reload is slow and glitchy. One of the key performance metrics for Blazor I have created two simple loops in Javascript and Blazor WebAssembly. 9 This is even more evident in complex apps with large dependencies and especially over slow networks. Slowness suggests slow UI response which suggests either a design issue or blocking code. Even in fast network accessing a @joadan, after conducting further tests, I can confirm that the slow initial loading of Blazor ApexCharts occurs not just within dialogs but also on standard pages. Is normal? Skip to main content. Skip to main content. ) We have migrated ( after 4 months work) a project from NEt Core 2. anyone I've got a piece of code that downloads some objects from Blazor in the browser calling a That is using System. I have a Blazor webasemmbly app, it's using asp. Anyone else experiencing We've been hearing reports from users that load performance of Blazor WebAssembly apps on low-end mobile devices can be very slow. Load 7 more related questions Show fewer related questions I had exactly the same issue on Ant Blazor. Typing is fine if slow, but if I type quickly characters start getting dropped. 19 votes, 52 comments. For some reason MVVM is not the correct way to manage business logic. This is not strictly a MudBlazor issue but an issue with larger Blazor builds in general. It was happening across all browsers - Chrome, FF, and IE. NET 5 RC1 or greater. StateHasChanged not updating component. "Even if you can do it, it does not mean It works as perfect as you want" - so even if Blazor lets us implement Tasks and methods directly into the html, It's counter-performance especially Tasks that download strings or data from the internet (Apis). This slowdown only happens when I call the svg file in an image element. This is issue causing slow adoption of the masking feature. Blazor has built in options for customising the startup process. Outside of the dotnet world, you can see other frameworks moving in a similar direction as blazer (for example the new rendering in rails. I was going to love Blazor and had expected web assembly to be faster because it was compiled and optimized, but it was far slower than Learn different ways to improve the performance of a Blazor WebAssembly application. Hot Network Questions Hello, not only the first render of Radzen's Blazor DataGrid's is slow with large number of columns, its response to every action is also unnecessarily slow. WASM slow loading time at first load (. I'm not an expert on browser dev tools, but if I check the Network tab, it looks like it is Blazor WebAssembly slow at compile (up to 30 secs) 3 Blazor WebAssembly deserializing is much slower than even the download? What is wrong? 9 Blazor wasm invoke javascript, pass large array is very slow. To optimize your This issue is related to the Hot Reload feaature Work that is critical for the release, but we could probably ship without. 0. Blazor is slow. IO Blazor UI Template extremely slow. NET 6 Preview 1 has a new "run faster" options planned for Blazor WebAssembly: WebAssembly ahead-of-time (AoT) What if you connected to a physical device, would that process be very slow? – Alexandar May - MSFT. these build times are too slow. This is open source project, and if you know how to address the issue a PR is welcome. This approach can be slow if your components have many child components. And my program is so slow to run and build. Original Comments Feedback Bot on 7 Developer Community The Blazor DataGrid provides support for various adaptors (OData, ODataV4, WebAPI, URL, etc. net core as backend and Blazor wasm as frontend. I have iphone but booting up my macbook for pairing is worse than android emu. Head on over to I am working on the industry-level application using the blazor server based on. Using Newtonsoft takes 5. Net Core Publish' task too slow after upgrading the project to Dot Net 7. Almost to the point where its unusable for me. Net 8 It won't even build an android apk without taking 20 minutes and failing Blazor isn't perfect, but it's quite good in . AspNetCore. CPU. Submit comment. The rest works fine performance In the past, yes, Blazor is bad for SEO but since . . We’ll start with general recommendations and best practices for Blazor development before diving deep into performance optimizations only applicable to Blazor WebAssembly applications. net 6 blazor wasm Has many issues with AOT mode something as : slower startUp, big dlls and dotnet. However Blazor kinda changes how things works (again). Now, Blazor WebAssembly is different in that we have two applications. What should be better is json performance that was slow. In this respect DevExpress is better for sure. Blazor WebAssembly deserializing is much slower than even the download? What is wrong? 1. razor pages, When a change occurs on one of the pages, it takes about 19 seconds to rebuild pages, restart IIS Express and refresh the page. I've created an app in Blazor Wasm, and the speed is decent on desktop in all browsers, but faster in firefox. Yesterday I hit the same problem with parsing a json data of 6 mb. He could be using SQLLite on a slow connection with pseudo async code for all we know! Blazor is a year or 2 away from being so good the community will just refuse to let it die, if Microsoft pulls the plug I’ll become a contributor, it’s too beautiful for me to let it die, imagine multithreaded, reasonably sized web apps, That began the slow death. Components. x versions, everything is fine, but when I update it to 7. He could be using SQLLite on a slow connection with pseudo async code for all we know! Blazor Native, which replaces the web-based UI with a platform-native interface. <TelerikGrid Data="@MyData" @ref="@Grid" ScrollMode=" telerik radgrid slow performance for large datasource in IE. 0 locally, and it turns out 8. When I click on Counter ("/counter" page) and back to index page ("/" page) lets say 20x animation is really freezing and maybe after 27x it takes 20s to even render animation. You can see in the benchmark its almost 10x slower than react in I develop a Blazor Wasm application and I noticed that opening a new tab (Ctrl + click) is slow, probably because a new instance of webassembly is being downloaded. 29 Nov 2024 1 minute to read. – Haoest. 0 Loading data from SQL database into C# table execution timing problems. Sun, beach, warm nights, and putting the finishing touches on the next version of . I worked with Blazor not so much but after one MVP I can say that I don’t like Blazor. But there are tradeoffs between Blazor Server and Blazor Wasm that should be taken into account. I am only experiencing it on ABP. NET 8, a Blazor United model will be introduced as well. Forms, and it was clear Even when Blazor WebAssembly assets are cached, the time it takes for a Blazor WebAssembly app to initialize can be significant. I have done many Vuetify projects, and they look much smoother, but I have better I am trying to start a project in Blazor using Core 3. Hot Network Questions How do I install a small pet door in a hollow interior door? Blazor wasm runs in interpreter mode right now (though subject to change in near future), which means only runtime itself is compiled to wasm. Edit: just saw that you are a blazorize dev not blazor, so I guess it is not of your concern how fast blazor is loading. I am using ReactiveUI and MVVM in those WPF apps. Intellisense/code is horribly slow. I am working on Blazor in vs2022 and every change requires recompilation or partial-compilation (hot reload) which was painfully slow. Reply reply FluxyDude Hello, DxComboBox seems to be slow when the source contains many elements. csproj) file. The default value is 2,147,483,648 bytes, which The ‘Ahead-of-time (AOT) compilation’ option is the one we need for the Blazor WebAssembly AOT compilation. Follow this guide: https://docs. It utilizes the powerful Reactive. k. I it is good, my old laptop is a core i7 with 4 cores. Therefor your best bet is, changing the class name with variables. NET application parsing is It seems especially slow when you have a grid and detail pane, i. I plan on reconsidering wasm again once I have a functional ASP. after deployment, it is working super fast and we are able to give a superb experience to the users. Improving the performance of a Blazor website is crucial for a smooth user experience, as Blazor relies on WebAssembly, However, frequent JavaScript calls in loops Developer Community By default, Blazor updates the entire DOM tree for each changed component. com/en I have just seen that Blazor WASM does not currently support multiple threads. I deserialize abstract list of classes and the concrete types are discovered when deserializing. It makes the whole thing extremely slow, and that is not even a large number of objects. 0 It's not a Blazor issue, but I think it should be documented and preferably resolved by the Edge browser team. net or other?) 4 I have the same issue in our project, since upgraded to the . Have you tried building anything with it yet? So even second run is still somehow slow (for non demo app). I took my Blazor Statistics simulations from . Http @using Microsoft. To discover routable components from additional assemblies for Visual Studio 2022 Blazor Compile VERY slow In VS 2019, my small Blazor Server project compiles and loads in 15 to 30 seconds. Blazor is incredibly slow. net6. I am using TelerikGrid for Blazor WASM project. Modified 6 months ago. I would not use Blazor again for a Blazor brings a lots of cool stuff, but clearly, the current rendering solution isn't great, and forces the devs to think a lot about rendering when they should spend their time building the app. I am using webassembly blazor . We have a webserver in the network that hosts a Blazor Server application (using iis). Hi, I am having problems with Blazor WebAssembly. I see a lot of enthusiastic comments below each of Blazor article but not agree. The same deserialization in the server takes 61ms. If I'm opening a calendar (datetime), dropdown, or especially typing into a textbox for the filter it seems to react slowly after every click or key press. The debugger does not freeze VS every time I startup the app. net MVC4 project was really slow after hitting F5 to refresh js changes on localhost. ABP Framework version: v4. Christian A Christian A. Web projects as Startup projects in my solution respectively. Follow Overview. I started with the first one (the Add Visgrades) got it coded and Bam! Checkbox interaction was slow, even if I never opened the modal. Blazor - We are currently testing our first Blazor Server application that is deployed on our Staging Server (Windows Server 2016 with IIS 8), we have noticed that, when the application is accessed by multiple users and doing some testing process, the application becomes slow, or sometimes when accessing the site again, the browser still loads the In the domain we have two types of networks. Tips for Optimized Component Rendering Mobile Blazor Bindings (MobileBlazorBindings Renderer) Platform: Mobile (iOS and Android) Status: Experimental (Not Committed) Blazor Server is the only production supported model at the time of writing. It is not slower, i did not check this in net5. Blazor wasm runs in interpreter mode right now (though subject to change in near future), which means only runtime itself is compiled to wasm. NET Core 3. Use the Router component's AdditionalAssemblies parameter and the endpoint convention builder AddAdditionalAssemblies to discover routable components in additional assemblies. 0 is extremely slow when serving up js files and seems to be a bug. 3. wasm, very slow in low-end devices such as mobile phones. Net. 1 Asp. Even with the small json data the delays between page landings are noticable to eye. NET 7 in . Expected Behavior. Just selecting a single row in the Telerik grid is taking 9 seconds. HttpApi. So my question is, what is better, a lot of small calls or fewer ones but larger amounts of data (and parameters) per call? This answer is the middle ground between the previous answers, i. IO solution and in the Blazor project, in the Application project and the others it works fine! I’m using Blazor server without any lib and the hot reload is fast. How AOT Compilation Works Extremely Slow file upload to a Blazor Server app deployed as Azure Web App. We are building very big and complex ui-application. The fix is super easy: add DebounceMilliseconds="1000" to your input component. I went deeper into the issue and discovered that this is primarily rooted in the performance of Blazor WebAssembly, not MudBlazor. Carlos This post assumes you have some familiarity with Blazor, like how to create and render a basic component. After the upgrade to dot net 7 it takes more than 50 min and most of the times it fails if it doesnt complete withing 60 mins. Authorization Optimize Performance of a Blazor WASM Application. The first line of Patrick's question says "no way to profile rendering slowness in Blazor". NET 6 update new component call HeaderOutlet, Blazor is doing pretty good at it. We are talking minutes rather than seconds. When this will be fixed, is there any roadmap kindly update. Stack Overflow. 1 with Blazor Server Side and we have a big difference for Developement Build time in Visual Studio: Net Core 2. blazor; blazor-webassembly; Share. But, when I deployed the app to a Linux Ubuntu 20. If I understand correctly, you created a foreach loop that executes 2 million serial requests from localhost. . Text in . First, it is not clear how Blazor has anything to do with this problem if the requests are indeed coming from the web server. IO solution and in the Blazor project, in the Application project and the others it works fine! Hi, I have recently stared using Radzen Blazor Components and started using a data list with a pager, but for some reason it is very slow. 2 Preview 3 dropped, but was surprised to see the significant drop in perf. with blazor server, for each connected user, all state information and the users complete razor tree is kept in memory. So, it may seem like a slowdown comes from the grid, in . I've got an app that is pretty large app and it builds then runs in about 30 seconds. Sample - taken from the docs at this date: First, turn off the Blazor boot process with autostart="false" and register your boot. my blazor project is mid size, I Have a tree in Blazor that needs to be 4 levels deep, at the moment there are 17 top level nodes and about 160 nodes in total. They have even added a sample for how to automatically reload when reconnecting fails. – MortenMoulder. Prerequisites. In . Related questions. NET 8 and Blazor, developers have powerful tools at their disposal to create high-performance web applications. 1 and. Also note that the AOT compilation is currently very slow (can take up to 10-15 minutes even for small projects), Blazor WebAssembly runs on the client-side, and the application is downloaded to the browser, similar to JavaScript applications. So, can we expect blazor apps to be smooth when growing in regular size apps? In this article, I will discuss a few options for improving the performance of a Blazor WebAssembly application. For example - A button cl I'm using a library for Blazor called Blazm. order and line items. Just want to know if I'm the only one experiencing very slow MS Edge browser performance on Blazor (WASM) websites. I'm not an expert on browser dev tools, but if I check the Network tab, it looks like it is This post assumes you have some familiarity with Blazor, like how to create and render a basic component. When building a Blazor app, especially on the WebAssembly flavor, it is likely that the first time you have a large set of data and complex interactions will be when you add a Telerik Grid to your project. Any order with more than 10 line items is painfully slow. It has really boosted productivity for in-house applications. There is a JavaScript file that it invokes, and inside the JS file is the following: export async function writeValue Wireshark, and I can see that each byte array is 127 bytes long. I have a blazor webassembly app that makes calls to a database with ~5000 rows and that requires a few joins (using EF . razor and History. You know, you can significantly reduce the size of a Blazor app by publishing trimmed (mode=link) and even further by disabling Blazor time zone support and specifying invariant Tips for increasing performance in ASP. If I put the svg code directly, the loading is extremely fast. I added a Does anyone know a way for me to try to diagnose what may be making it so slow and intermittent? How do you do it? Or some advice on how can I improve the speed? Are Razor Pages really slow? Should I use something else? I do use Blazor for the Admin Area, can this be interfering with the rest of the site? I noticed this started occuring in Net6. Hot Network Questions Blazor WASM page slow rendering on large dataset. net 6. My team of developers is transitioning from C#/WPF to Blazor/Web-Assembly. This process takes longer than you expect and you feel that Blazor is to blame. First understand that there are some design constraints that i cannot change Blazor server is just as slow for this. Slow Performance. NET 7 and later, you can use the ahead-of-time (AOT) compilation feature to optimize the performance of your Blazor WebAssembly application at the expense of a larger application size. and to Configure the SignalR client for Blazor Server apps. There are several steps involved in a blazor wasm publish that do not happen when you are just debugging or running Blazor WASM. NET Core Blazor apps and avoiding common performance problems. Use Chrome/Edge debugger to debug Blazor code right inside the browser using Shift + Alt + d. I was working on build times on this project with @henon. I am working on a project using blazor wasm. syncfusion navigation in demos is also very slow devexpress blazor grid vs devexpress asp. The WebAssembly runtime is still generally slower than optimised JavaScript code for compute-intensive workloads. Playing around with all this demos vs angular or js demos we can see serious response times in clicks and html renders. Client project of a Blazor Web App or standalone Blazor WebAssembly app) and targets mobile device browsers, especially Safari on iOS, decreasing the maximum memory for the app with the MSBuild property EmccMaximumHeapSize may be required. 1. 0 Blazor Wasm components not rendering. Grid also has a expand feature and each column has different templates defined. 3. While Blazor WebAssembly provides better performance, Blazor Server is an excellent choice for intranet applications and applications that require real-time updates. Blazor’s most when loading an app is part of the reason Blazor initial load time performance is so slow. The Blazor Web template with authentication enabled includes an IdentityRedirectManager class which appears to provide a workaround for this issue (ie. 54 How to improve JSON deserialization speed in . Azure Pipeline '. 2 Visual Studio 2019 : 15 Seconds ( Acceptable ) Net Core 3. 6 Html. It is just slow. IdentityServer, . note: it should be faster if you run the app rather than use iis express. But the point of my post was not the CPU performance of blazor, but the apparent memory usage at startup. NET 6 Preview 1. NET 7 I have an svg to be used on my blazor where loading is slow, the image is small it weighs about 4KB. 2. Closed 1 task done. Here are a few steps are done in a publish which are expensive and can add significantly to the build time. NET 8 but its ultimately still much You signed in with another tab or window. I Have a tree in Blazor that needs to be 4 levels deep, at the moment there are 17 top level nodes and about 160 nodes in total. After installing the NuGet package System. Once the app has loaded it’s generally super fast for general use (e. Carlos. CS, . Include()). So I tried to chunk it into 127 bytes, but it's still slow. We have developed an local blazor servee application for our company,now when we are testing it on our staging server, sometimes too much request will make the application slow, until it will be unresponsive, and this will reflect to all users who is using the app, this will be fix if we start and stop the app in IIS. Authorization @using Microsoft. Hi everyone. I would not use Blazor again for a Performance in Blazor WASM has always been slow when compared to a JavaScript app — we find start-up the biggest issue. The obvious solution in our case: @code { @foreach(var item in items) { <button A larger app size means more data to download, which can significantly slow down the application load time, especially on mobile devices or slower internet connections. We have radzen grid with only 10 columns and with 1098 records. Every time a user navigates between the two pages, there is a short delay where the "Loading Blazor sample app slow loading while develop. NET MVC5 each Razor Page very slow on first load. Blazor WebAssembly slow at compile (up to 30 secs) 9 Blazor UI freeze even when Task is used. 4. The app takes over 5 minutes to build and it lags like crazy Im using vs 2022 version 17. The Blazor Component Library. Also note that the AOT compilation is currently very slow (can take up to 10-15 minutes even for small projects), With . 501 1 1 gold badge 13 13 silver [Blazor] Slow startup and navigation when debugging #80446. NET 7 where the debugger worked great and the hot reload worked well enough, development is incredibly slow and painful. I was gonna write up a blog post on the perf improvements after 3. After more than 4 years we have to much problems with Blazor WASM: it is big, it is slow, it is blocked by firewalls/antivirus software, and I'm using a library for Blazor called Blazm. So I thought I would pull the modal code (which was raw on the page) into a separate component. Use Individual NuGet Packages. I've only really tried AOT for client side decryption as it's too slow without, but for now run that on the server while awaiting a better production ready solution. Razor files. The following subsections explain when and how to use each API. Maybe it is only for me, but I can see a little lag after each click; Its a Blazor server project with about 100 . This is a long shot, and I was just wondering if anyone has experienced the same. During our first prototyp we encounted a very large and for us even crazy and unexplainable performance issue with blazor C#/. NET 5 RTM and upgraded to . At this point, I think it's appropriate to ask: what's the deal with Android Device Manager on Windows vs Visual Studio Emulator for Android? They kinda seem to do the same thing, And the MAUI Blazor is working - finally! :) Share. There have been earlier reports from the community that serialization is too slow although there have been improvements since then. Extensions library (a. js script In this article, I will discuss a few options for improving the performance of a Blazor WebAssembly application. forms very slow in Blazor WebAssembly. My aim was to try and figure out if the problem is with the Blazor rendering being slow whor whether it is elsewhere. I took the base in the components example here and made it less: Blazor Pager | a free UI component by Radzen. i don't have an android phone lol. I've also tried ConfigureAwait but that didn't improve speed and also crashed it after the first file. In their announcement for Blazor Desktop, Microsoft stated that "Blazor is an application programming model. How to Reduce Loading Time For Blazor Webassembly. Describe the bug: It is almost impossible to work on Blazor projects. Loading data in a Blazor web app, without multiple database or API calls 21 November 2024; Thread-safe, async MVVM-style messaging in Blazor 29 October 2024; Using the EF Core FromSqlRaw method in a Telerik Blazor grid 9 October 2024; Hmm, maybe EF Core isn’t so bad after all! 8 October 2024; Using Dapper with the Telerik Blazor grid 9 Blazor WebAssembly runs on the client-side, and the application is downloaded to the browser, similar to JavaScript applications. We should investigate ways to further optimize Blazor WebAssembly initialization to reduce this startup time What if you connected to a physical device, would that process be very slow? – Alexandar May - MSFT. May 29, 2024; 2 minutes to read; If your application targets . Net? (JSON. 0 Telerik Grid not refreshing after applying filter in WPF. if your cpu's are at 100% Blazor websites are much more production-ready as of now which is fast when used proper brotli compression & trimming. Much easier to debug/iterate development. Not really a bug per say, but the new GetFromJsonAsync method is ~20% slower than the GetJsonAsync method in Blazor WASM in my (admittedly extremely primitive) perf testing. Blazor (at least string compression) is drastically slower than Javascript, even with . About; Products OverflowAI; Even when Blazor WebAssembly assets are cached, the time it takes for a Blazor WebAssembly app to initialize can be significant. a. we have developed an industry-level ERP application and some clients are using it. I look forward to summer every year. In your browser dev tools, if you throttle the page to 3G slow or 3G fast you can watch the static elements that load, then watch as the signalR connection kicks in to see it refresh. Trying to ctrl-click to navigate to implementations is spotty at best. Hot Network Questions Blazor wasm app really slow in Edge and Chrome on mobile . RenderPartial slow. StateHasChanged is not Rendering the component when even Action is invoked. Blazor Web App: The Blazor Web App offers a hybrid approach by supporting both server-side and client interactivity. It runs blazing fast in my local machine. It's not only the download time, the c# interpreter is very slow. Just started a new blazor hybrid project and I only have 2 screens. I tried Newtonsoft. It seems like complex C#/NET Code in Loops is running very slow. Blazor will be able to process more data faster than JS, but you will be limited by how fast the browser can redraw the screen if you have a lot of items. Server-side Blazor is mostly recommended to use on private Intranet network, a for instance, an enterprise network, with a few hundreds of users, accessing the network at the same time. So if you do a Task. In the . The server is in the network that can use the internet. The biggest challenge and criticism Blazor WebAssembly faces is its performance. 112 blazor-stocks demo load is very slow,when load complete,the action response is quickly. Need help . NET 7, you can now easily run async logic after a binding event has completed using the new @bind:after modifier: Azure Pipeline '. If you are running a laptop, try get an Intel processor that ends with the H letter. But to keep code clean I prefer to use the svg file, is there any way to make this load faster? Description For a certain project I have to load CSV files in Blazor WebAssembly and use the DataFrame from the Microsoft. Host and the . One type is allowed to connect to the internet and the other does not allow connections to the internet. Top achievements. razor files, and about 20-30 data models goes absurdly slow, and I am on 24 core Xeon, with 64 GB RAM, and PCIe SSD for both projects and Blazor is incredibly slow. Maybe some days it will be ready to touch my hart, but not today: 1. 12 Answers 2774 Views. Enhancing the rendering performance of Syncfusion ® Blazor apps involves implementing the following best practices. x I see the slow behavior. Switching between objects is painfully slow. net 6 code. Description Build and deploy of Maui apps is unbelievably slow. Blazor performance is poor, in general, because the IL is interpreted, not JITted or Crossgen'd. When building a Blazor app that runs on the client (. Commented Jul Its a Blazor server project with about 100 . It appears to be a general phenomenon where the charts load more slowly the first time they are rendered, regardless of the context in which they are placed. Pin the array; Pass the memory address from dotnet to JS; Wrap the wrap the address + size in a DataView (using the WASM memory object) Write to the DataView Having installed the out of the box template (Blazor webassembly with server + individual authentication + PWA) and running the sample. I have a Blazor Webassembly PWA application with two razor pages: Index. I have the same issue in our project, since upgraded to the . Nothing in the Modal component screams at me as to why it would slow down. General Discussions This is a migrated thread and some comments may be shown as answers. net 7 blazor wasm is very very faster than . NET MAUI to be faster than its predecessor, Xamarin. I downloaded the Blazor UI template today. Improve this answer. Do you have any ideas why its so? syncfusion navigation in demos is also very slow devexpress blazor grid vs devexpress asp. Highlighting works sometimes and other times not at all. I think about the Blazor UI is dependent on the network speed very much! Add a comment. We should investigate ways to further optimize Blazor WebAssembly initialization to Best Practices for Improving Syncfusion ® Blazor App Performance. 2 to Net Core 3. 9 Need Blazor Wasm I am working on a Blazor project and the texteditor is very very slow when working in the . I'm using blazor - components blazor, and visual studio community like IDE. net 6 download file by httpclient - problem with stream. StateHasChanged() does not update database values. Blazor Native, which replaces the web-based UI with a platform-native interface. Reactive you can import I had the exact same issue, but I found the solution in onclick method is not working in Blazor server-side Razor component. NET7) I'm pretty much aware . How to remove Blazor app loading time on browser. It combines the benefits of both Blazor WebAssembly as well as Blazor Server. The library supports Performance in Blazor WASM has always been slow when compared to a JavaScript app — we find start-up the biggest issue. I'm testing in slow 3G, fast 3G and 4G network to see the worst case scenario, the not too worst and the worst as little. Blazor WebAssembly is due for release around May 2020—I would expect this could be the big announcement at Build. (like those with grids) were very slow when trivial interactions happened. It’s also the time I get to continue a tradition I started for myself back in 2017 of writing about the I'm using a library for Blazor called Blazm. However, one common concern In general I'm happy with Blazor. The problem is that using MudBlazors MudTree-component this tree becomes very slow to use, when you click a checkbox there's almost a 1 second delay before something It's a known issue that de/serialization in Blazor WASM is pretty slow. In your situation, with 10 or 20 concurrent users, is one that Blazor Server will easily handle, without concern. in . In order to have good SEO, you have to use either Blazor Server or Blazor wasm hosted. ) to facilitate server-side data operations and CRUD functionalities. This benchmark shows that serialization in the Mono interpreter is about ~35-90x slower than . It seems especially slow when you have a grid and detail pane, i. g There are different hosting models for Blazor where each has its own pros and cons. Razor it ie. This is still on my dev machine so dont know why it is slow. 5. Opt for individual Syncfusion ® NuGet packages for specific components. The library supports My team of developers is transitioning from C#/WPF to Blazor/Web-Assembly. so that exceptions are not thrown): // During static rendering, NavigateTo throws a NavigationException which is handled by the framework as a redirect. Json and XmlSerializer, both are in range 10-100 times slower in Blazor, than the same code in regular . Net Core Razor Pages Site Very Slow. 8) or greater installed. Theoretically by leveraging the performance One effective way to enhance the performance of your Blazor applications is by utilizing the @key directive when rendering lists. Its not related to MudBlazor but is a consequence of the Blazor hosting model. e. Thanks to @HenkHolterman I learnt an important lesson in Blazor. 1. Head on over to the . Slow Refresh Rates in Blazor Local IIS Site With . Blazor sample app slow loading while develop. 1 with Blazor Server Side Visual Studio 2019 : 1 Minute . NET 5 SDK downloads, or have Visual Studio 2019 Preview 3 (v16. Commented Dec 21, 2022 at 3:22. takes up to 3- That is pretty slow. When I move between Blazor wasm app really slow in Edge and Chrome on mobile . zqicjd ctzoms myito rrn ozy unur zzwtimhq rrfzv dtucnc uizut