Products · Product
Blazor
Raised as a usability problem by 18 people on Hacker News over 9 years (2017–2025), in 20 threads.
No issue was raised by at least 3 people in 3 threads this year.
No issue was raised by at least 3 people in 3 threads in the last 5 years.
Every issue, all time, most people first
Client-side pages take several seconds to load before appearingUnreviewed
20172026- Blazor WASM sites have layout bugs and feel slow for end users, especially on mobile2024-04-11
- Blazor Server loses all interactivity on a poor connection2021-04-21
- Client-side Blazor pages take several seconds to load before appearing2019-10-02
Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.
The newest 23 complaints
- Hot reload is buggy and too slow, forcing waits and full page reloads2025-11-14
- Website becomes unusable when the SignalR connection drops, and the WASM frontend barely works2025-02-18
- Blazor WASM sites have layout bugs and feel slow for end users, especially on mobile2024-04-11
- Editor type checking, hints and syntax highlighting break unpredictably when using Blazor2024-02-03
- Components stay unresponsive when pre-rendered, and clicking links freezes while WASM downloads2023-12-06
- Site needs over 1MB download before it works, unusable on slow mobile connections2023-10-07
- Some things don't work and debugging why takes ages2023-03-22
- JS interop for browser APIs is awful, and hot reloading often triggers full rebuilds2022-12-14
- Cannot add mouse events to a canvas element without a third-party package that lacks them2022-07-25
- Couldn't tell where magical authentication pages were coming from; boilerplate is ugly2022-07-25
- Blazor's boilerplate is tedious and feels like doing taxes until learned2022-07-25
- Huge multi-megabyte initial download makes public pages unusable on slow mobile networks2022-07-25
- Prerendering behavior was confusing; took a day to realize it was intentional2022-04-10
- Frameworks obscure what is happening, making it hard to find out why things fail2022-02-10
- Slow to transition between dates on mobile, with a long load screen2021-09-23
- Blazor Server loses all interactivity on a poor connection2021-04-21
- Complex pages with hundreds of table entries render slowly and use too much memory2020-09-09
- Server-side rendering feels laggy, like the old ASP.NET round trip2020-03-09
- Cannot hook low-level input events, so paste menus and keyboard modes can't be built2020-01-17
- Interactions feel laggy because server actions have painful latency over the internet2020-01-03
- Client-side Blazor pages take several seconds to load before appearing2019-10-02
- Setup requires hacky, poorly documented steps that break with updates2018-10-04
- Hybrid .NET-in-browser projects are very hard to debug and diagnose2017-01-01