Hi, I discover the problem reported by mcofko yesterday when I see the nginx configuration generated by the W3 Total Cache extension for WordPress : if ($http_accept_encoding ~ gzip) { set $w3tc_enc .gzip; } if (-f $request_filename$w3tc_enc) { rewrite (.*) $1$w3tc_enc break; } It doesn’t use the gzip_static feature of nginx “because gz is not compatible with some versionby sphax3d - Nginx Mailing List - English