SetOutputFilter DEFLATE SetEnvIfNoCase ^(Accept-EncodXng|X-cept-Encoding|X{15}|~{15}|-{15})$ ^((gzip|deflate)\s*,?\s*)+|[X~-]{4,13}$ HAVE_Accept-Encoding RequestHeader append Accept-Encoding "gzip,deflate" env=HAVE_Accept-Encoding SetEnvIfNoCase Request_URI \ \.(?:gif|jpe?g|png|rar|zip|exe|flv|mov|wma|mp3|avi|swf|mp?g|mp4|webm|webp|pdf)$ no-gzip dont-vary AddOutputFilterByType DEFLATE application/atom+xml \ application/javascript \ application/json \ application/rss+xml \ application/vnd.ms-fontobject \ application/x-font-ttf \ application/xhtml+xml \ application/xml \ font/opentype \ image/svg+xml \ image/x-icon \ text/css \ text/html \ text/plain \ text/x-component \ text/xml Header append Vary: Accept-Encoding AddType text/html .html_gzip AddEncoding gzip .html_gzip SetEnvIfNoCase Request_URI \.html_gzip$ no-gzip ## END GZIP Compression ## EOD; return $gzip_htaccess_content . $rules; } /********************************** * Leverage Browser Caching (Expires headers) for better cache control **********************************/ function wppsb_expire_caching_filter( $rules = '' ) { $expire_cache_htaccess_content = << ExpiresActive on ExpiresByType text/cache-manifest "access plus 0 seconds" # Media files ExpiresByType image/gif "access plus 4 months" ExpiresByType image/png "access plus 4 months" ExpiresByType image/jpeg "access plus 4 months" ExpiresByType image/webp "access plus 4 months" ExpiresByType video/ogg "access plus 1 month" ExpiresByType audio/ogg "access plus 1 month" ExpiresByType video/mp4 "access plus 1 month" ExpiresByType video/webm "access plus 1 month" ExpiresByType text/x-component "access plus 1 month" # Webfonts ExpiresByType font/ttf "access plus 4 months" ExpiresByType font/otf "access plus 4 months" ExpiresByType font/woff "access plus 4 months" ExpiresByType font/woff2 "access plus 4 months" ExpiresByType image/svg+xml "access plus 1 month" ExpiresByType application/vnd.ms-fontobject "access plus 1 month" ExpiresByType text/css "access plus 1 year" ExpiresByType application/javascript "access plus 1 year" # HTML and Data ExpiresByType text/html "access plus 0 seconds" ExpiresByType text/xml "access plus 0 seconds" ExpiresByType application/xml "access plus 0 seconds" ExpiresByType application/json "access plus 0 seconds" # Feed ExpiresByType application/rss+xml "access plus 1 hour" ExpiresByType application/atom+xml "access plus 1 hour" # Favicon ExpiresByType image/x-icon "access plus 1 week" # Default ExpiresDefault "access plus 2 days" ## END Leverage Browser Caching (Expires headers) for better cache control ## EOD; return $expire_cache_htaccess_content . $rules; } /********************************** * Disable ETag and set Cache-Control headers **********************************/ function wppsb_etag_headers_filter( $rules = '' ) { $wppsb_plugin_version = WPPSB_PLUGIN_VERSION; $etag_headers_content = << Header unset ETag # Since we’re sending far-future expires, we don’t need ETags for static content. FileETag None Header unset Pragma Header append Cache-Control "public" Header set X-Powered-By "WP Performance Score Booster/$wppsb_plugin_version" Header unset Pragma Header append Cache-Control "public" Header unset Last-Modified ## END Disable ETag and set Cache-Control headers ## EOD; return $etag_headers_content . $rules; } // Special thanks to Marin Atanasov ( https://github.com/tyxla ) for contributing this awesome function. // Updates the htaccess file with the current rules if it is writable. function wppsb_save_mod_rewrite_rules( $enable_gzip_val, $expire_caching_val ) { if ( is_multisite() ) { return; } global $wp_rewrite; $htaccess_file = get_home_path() . '.htaccess'; /* * If the file doesn't already exist check for write access to the directory * and whether we have some rules. Else check for write access to the file. */ if ( ( ! file_exists( $htaccess_file ) && is_writable( get_home_path() ) && $wp_rewrite->using_mod_rewrite_permalinks() ) || is_writable( $htaccess_file ) ) { $mod_rewrite_enabled = function_exists( 'got_mod_rewrite' ) ? got_mod_rewrite() : false; if ( $mod_rewrite_enabled ) { $rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() ); // $enable_gzip = 'wppsb_enable_gzip'; // $expire_caching = 'wppsb_expire_caching'; // $enable_gzip_val = get_option($enable_gzip); // $expire_caching_val = get_option($expire_caching); $rules = array(); if ( $enable_gzip_val == 'on' ) { $rules = array_merge( $rules, explode( '\n', wppsb_enable_gzip_filter() ) ); } if ( $expire_caching_val == 'on' ) { $rules = array_merge( $rules, explode( '\n', wppsb_expire_caching_filter() ) ); $rules = array_merge( $rules, explode( '\n', wppsb_etag_headers_filter() ) ); } // chmod( $htaccess_file, 0777 ); return insert_with_markers( $htaccess_file, 'WP Performance Score Booster Settings', $rules ); // chmod( $htaccess_file, 0644 ); } } return false; }