Page Weight Breakdown
Estimate transfer weight from HTML plus a capped sample of linked scripts, styles, and images.
Performance and page weight
Last reviewed Nov 11, 2026
Free, no signup
Enter a URL to estimate HTML + sampled asset weight.
Setup required
Encoding
Identity bytes
Savings
%
HTML
Sampled assets
Estimated total
Assets found
Heaviest sampled assets
| Type | Bytes | URL |
|---|---|---|
Blocking CSS ()
Blocking JS ()
Checks
FAQ
Yes. Fair-use rate limits keep the suite available for everyone.
Yes. CDNs, registry redaction, and heuristics mean you should verify critical findings in your own environment.
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