Brotli Checker

What is Brotli Checker?

Brotli Checker checks whether a webpage response advertises Brotli content encoding. Compression can reduce the amount of data sent for suitable text resources, and this tool helps you inspect one part of that delivery setup. It focuses on the response to the URL you submit.

How to use this tool

Enter the full page URL and submit the test. The checker requests Brotli encoding and looks at the returned Content-Encoding header. Repeat the same request after a supported compression setting changes, keeping the hostname and path consistent for a meaningful comparison.

Understanding the results

An enabled result means the received header includes the Brotli encoding indicator. It does not calculate a compression ratio, compare compressed and uncompressed transfer sizes, or test every resource loaded by the page. A disabled result can reflect the response type, server rules, an intermediary, or different negotiated behavior. Check a representative text resource before deciding that the whole site lacks compression.

Frequently asked questions

Does this test images and scripts on the page?

No. The check targets the submitted response. Other resources can use different compression settings and need their own requests or a browser network review.

Does enabling Brotli guarantee a faster page?

No. Total performance also depends on content size, caching, server work, network conditions, and browser rendering. Use the result as configuration evidence rather than a complete speed score.

Continue your review

For a more complete picture, combine these findings with Server compression checker, Website page size checker, and HTTP headers lookup.