Performance•Runs on Request

Page Size Checker

Measure the decoded response-body size of a browser HTTP request, excluding linked assets.

Developer workbench

Configure. Run. Inspect.

Requests run only when you click Run. Browser CORS restrictions apply; remote responses are never simulated.

⌘ / Ctrl + Enter to run
19 input bytes

Output

How to Use Page Size Checker

01

Enter an HTTP or HTTPS URL.

02

Run the request.

03

Inspect decoded body bytes, duration, and headers.

04

Use Website Speed Test for the broader page analysis.

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