Fasterize Help Center & FAQ

Test the page without optimizations using the Fasterize extension or by accessing the source directly to check if the problem persists.

5xx errors usually originate from the source. Check the server logs, infrastructure availability, and forward the requestID to support.

Fallback mechanisms ensure direct access to the source in the event of an incident on the Fasterize platform.

X-fstrz headers indicate precisely which optimizations have been applied to a request (cache, exclusions, rules).

To connect your site to Fasterize, you usually just need to modify the DNS record corresponding to the www subdomain.

Note 1: The period (.) at the end of the value is mandatory but may be added automatically by your DNS provider.
Note 2: The TTL is indicative and can be adjusted according to your configuration.

Collect key information (URL, time, requestID), check the platform status, and contact support if necessary.

To connect your site, you must whitelist the platform's official IP addresses.