What this tool checks
- HTML transfer size
- HTTP status
- Large page warning
Performance and Uptime Tools
Page Size Checker
Measure fetched HTML size and flag unusually large pages.
Run the check
Enter a public target. Checks are a point-in-time sample; private and internal addresses are blocked.
Why it matters
Very large HTML can slow first render and increase bandwidth use.
Plain-English examples
- Check a long blog article
Recommended fixes
- Compress HTML
- Move large inline data into assets
Understanding the result
Use findings as a starting point, confirm the intended configuration with your provider, and retest after a change. A successful check does not guarantee security, delivery, uptime or search rankings. Results depend on public DNS and what the server exposes at the time of the check.
Related tools
Run these checks next for a fuller picture.
Need help fixing the result?
