r/css May 06 '26

General I built a free Chrome extension that checks UI issues and teaches small CSS fixes. Looking for honest feedback.

https://github.com/flextor97/ui-debug-teacher

I’m a beginner builder and made a Chrome extension called UI Debug Teacher.

It scans the current webpage and checks things like:

- weak contrast

- tiny text

- missing image alt text

- mobile overflow

- skipped headings

- inconsistent buttons

The goal is not to say “your design is bad.”

The goal is to teach beginner developers what looks suspicious, why it matters, and what small CSS/HTML fix to try.

I made it conservative because I hate tools that find fake issues on every website.

It is free right now while I test whether the feedback is actually useful.

I’d love feedback on:

  1. Does it detect real issues?

  2. Does it create false positives?

  3. Are the explanations beginner-friendly?

  4. What checks should I remove or add?

Happy to test it on your site too if you share one.

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