SEO Instrumenti

PerformanceAvailable

HTML Page Size Checker

Measure the downloaded HTML response size and key HTTP metadata while keeping subresources and browser transfer size clearly separate.

Protected server-side checkNo permanent storage by default

Workspace for HTML Page Size Checker

Request scope

One bounded public HTTP response is fetched. Local, private and reserved networks are blocked.

Use a complete address beginning with https:// or http://.

The check starts only after you press the button.

About this check

What the tool checks

Use the main-document size as a focused diagnostic before running a browser-based performance test for images, scripts, styles and fonts.

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