WP Rocket could not modify the .htaccess file due to missing writing permissions.
Troubleshoot: How to make system files writeable

Don’t worry, WP Rocket’s page caching and settings will still function correctly.
For optimal performance, adding the following lines into your .htaccess is recommended (not required):
# Use UTF-8 encoding for anything served text/plain or text/html AddDefaultCharset UTF-8 # Force UTF-8 for a number of file formats <IfModule mod_mime.c> AddCharset UTF-8 .atom .css .js .json .rss .vtt .xml </IfModule> # FileETag None is not enough for every server. <IfModule mod_headers.c> Header unset ETag </IfModule> # Since we’re sending far-future expires, we don’t need ETags for static content. # developer.yahoo.com/performance/rules.html#etags FileETag None <IfModule mod_alias.c> <FilesMatch "\.(html|htm|rtf|rtx|txt|xsd|xsl|xml)$"> <IfModule mod_headers.c> Header set X-Powered-By "WP Rocket/3.21.3" Header unset Pragma Header append Cache-Control "public" Header unset Last-Modified </IfModule> </FilesMatch> <FilesMatch "\.(css|htc|js|asf|asx|wax|wmv|wmx|avi|bmp|class|divx|doc|docx|eot|exe|gif|gz|gzip|ico|jpg|jpeg|jpe|json|mdb|mid|midi|mov|qt|mp3|m4a|mp4|m4v|mpeg|mpg|mpe|mpp|otf|odb|odc|odf|odg|odp|ods|odt|ogg|pdf|png|pot|pps|ppt|pptx|ra|ram|svg|svgz|swf|tar|tif|tiff|ttf|ttc|wav|wma|wri|xla|xls|xlsx|xlt|xlw|zip)$"> <IfModule mod_headers.c> Header unset Pragma Header append Cache-Control "public" </IfModule> </FilesMatch> </IfModule> <IfModule mod_mime.c> AddType image/avif avif AddType image/avif-sequence avifs </IfModule> # Expires headers (for better cache control) <IfModule mod_expires.c> ExpiresActive on ExpiresDefault "access plus 1 month" # cache.appcache needs re-requests in FF 3.6 (thanks Remy ~Introducing HTML5) ExpiresByType text/cache-manifest "access plus 0 seconds" # Your document html ExpiresByType text/html "access plus 0 seconds" # Data 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 (cannot be renamed) ExpiresByType image/x-icon "access plus 1 week" # Media: images, video, audio 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 4 months" ExpiresByType audio/ogg "access plus 4 months" ExpiresByType video/mp4 "access plus 4 months" ExpiresByType video/webm "access plus 4 months" ExpiresByType image/avif "access plus 4 months" ExpiresByType image/avif-sequence "access plus 4 months" # HTC files (css3pie) 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 4 months" ExpiresByType application/vnd.ms-fontobject "access plus 1 month" # CSS and JavaScript ExpiresByType text/css "access plus 1 year" ExpiresByType text/javascript "access plus 1 year" ExpiresByType application/javascript "access plus 1 year" </IfModule> # Gzip compression <IfModule mod_deflate.c> # Active compression SetOutputFilter DEFLATE # Force deflate for mangled headers <IfModule mod_setenvif.c> <IfModule mod_headers.c> 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 # Don’t compress images and other uncompressible content 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 </IfModule> </IfModule> # Compress all output labeled with one of the following MIME-types <IfModule mod_filter.c> 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/javascript \ text/html \ text/plain \ text/x-component \ text/xml </IfModule> <IfModule mod_headers.c> Header append Vary: Accept-Encoding </IfModule> </IfModule>

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