How to use
- Fill in: Paste your page HTML.
- Tap Check HTML.
- Read the result - you can print or save it as PDF.
Worked example
With Paste your page HTML = The quick brown fox jumps over the lazy dog.:
HTML CHECK6 issues, 0 checks passed
Static checks on the pasted HTML only - no code was executed and nothing was fetched. This is a quick tag checklist, not a full SEO, accessibility or performance audit.