Hi, I don't see any reason why it can be slower since the recommended ways to pass params to fastcgi is by using dynamics variables ex: fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; The way you're setting your variable is static by the website, the value is not dynamically linked to the request. So it might have a sight overhead when starting the web server for parsing tby huguesjoyal - Nginx Mailing List - English