Page Size & Load Time

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Measure a web page's HTML size, response time, resource counts, and third-party host list.

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Page Size & Load Time

Fetches HTML via CORS proxy. Times include proxy round-trip — use for relative comparison, not absolute benchmarks.
Page Analysis
HTML Size
Fetch Time
Images
Scripts
Stylesheets
Links
3rd-Party Hosts
Words

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About This Tool

What This Measures

  • HTML payload size (compressed vs raw)
  • Wall-clock fetch time via proxy
  • Image, script, stylesheet, and link counts
  • Number of unique third-party domains
  • Visible word count
Note: measures HTML only, not full page load. For complete audits use Lighthouse or WebPageTest.

Frequently Asked Questions

Why is load time different from Google PageSpeed?
PageSpeed measures full browser load (HTML + CSS + images + JS execution). This tool fetches only HTML via proxy. Use for quick relative comparisons only.
What HTML size is acceptable?
Under 100 KB is excellent. 100-300 KB is typical for content-rich pages. Over 500 KB often means inline base64 images or redundant styles — worth investigating.
Why do third-party hosts matter?
Each external domain requires DNS + TLS + connection setup before loading. Sites with 50+ third-party domains feel sluggish even on fast connections.