RevengeCSS
A CSS bookmarklet that highlights bad HTML with ugly pink comic sans error messages.
What is RevengeCSS?
REVENGE.CSS is a CSS bookmarklet that helps developers identify bad HTML and accessibility issues by displaying garish pink error messages in Comic Sans directly on problematic elements. It scans web pages for common markup problems like deprecated elements, malformed links, inaccessible forms, and missing ARIA landmarks. The tool provides immediate visual feedback during development to improve code quality and accessibility compliance.
Frontend developers, web designers, and accessibility specialists who want to quickly identify HTML markup issues during development and testing. It's particularly useful for teams working on accessibility compliance and semantic HTML structure.
Developers choose REVENGE.CSS because it provides immediate, in-your-face visual feedback about HTML problems without requiring complex setup or configuration. Its deliberately ugly presentation makes issues impossible to ignore, encouraging better coding practices through visual reinforcement rather than subtle warnings.
Overview
A CSS bookmarklet that puts pink error boxes (with messages in comic sans) everywhere you write bad HTML.
Use Cases
Best For
- Quickly identifying HTML validation issues during development
Related Projects
Found a gem we're missing?
Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.
