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  3. comment utiliser mod_headers et mod_expires pour mettre en cache
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comment utiliser mod_headers et mod_expires pour mettre en cache

Je veux mettre en cache les images et autres fichiers sur mon site, donc je me suis assuré que mod_headers et mod_expires avec: – 

/usr/sbin/httpd -l

puis édité .htaccess pour être: – 

 ExpiresActive On ExpiresDefault A0 # Set up caching on media files for 1 year (forever?)  ExpiresDefault A29030400 Header append Cache-Control "public"  # Set up caching on media files for 1 week  ExpiresDefault A604800 Header append Cache-Control "public"  # Set up 2 Hour caching on commonly updated files  ExpiresDefault A9200 Header append Cache-Control "proxy-revalidate"  # Force no caching for dynamic files  ExpiresActive Off Header set Cache-Control "private, no-cache, no-store, proxy-revalidate, no-transform" Header set Pragma "no-cache"   order allow,deny allow from all

Mais lorsque je navigue sur le site, chaque fois que les images se rechargent et prennent trop de temps. Y a-t-il autre chose que je devrais faire?

Vous n’avez pas besoin de contrôler le cache ou la plupart des autres parameters de contrôle du cache. Pragma est aussi vieux et pas vraiment nécessaire. Vous n’avez pas vraiment besoin de la partie php | htm. Je dirais que tout est du début à la partie et étudie (et utilise) le code suivant ci-dessous. Je recommande également de lire le tutoriel de Mark Nottingham sur la mise en cache

Ces bits ont été pris à partir de .htaccess html5-boilerplate : 

 # ###################################################################### # # MEDIA TYPES AND CHARACTER ENCODINGS # # ###################################################################### # ---------------------------------------------------------------------- # | Media types | # ---------------------------------------------------------------------- # Serve resources with the proper media types (fka MIME types). # # https://www.iana.org/assignments/media-types/media-types.xhtml # https://httpd.apache.org/docs/current/mod/mod_mime.html#addtype  # Data interchange AddType application/atom+xml atom AddType application/json json map topojson AddType application/ld+json jsonld AddType application/rss+xml rss AddType application/vnd.geo+json geojson AddType application/xml rdf xml # JavaScript # Normalize to standard type. # https://tools.ietf.org/html/rfc4329#section-7.2 AddType application/javascript js # Manifest files # If you are providing a web application manifest file (see # the specification: https://w3c.github.io/manifest/), it is # recommended that you serve it with the `application/manifest+json` # media type. # # Because the web application manifest file doesn't have its # own unique file extension, you can set its media type either # by matching: # # 1) the exact location of the file (this can be done using a # directive such as ``, but it will NOT work in # the `.htaccess` file, so you will have to do it in the main # server configuration file or inside of a `` # container) # # eg: # #  # AddType application/manifest+json json #  # # 2) the filename (this can be problematic as you will need to # ensure that you don't have any other file with the same name # as the one you gave to your web application manifest file) # # eg: # #  # AddType application/manifest+json json #  AddType application/x-web-app-manifest+json webapp AddType text/cache-manifest appcache # Media files AddType audio/mp4 f4a f4b m4a AddType audio/ogg oga ogg opus AddType image/bmp bmp AddType image/svg+xml svg svgz AddType image/webp webp AddType video/mp4 f4v f4p m4v mp4 AddType video/ogg ogv AddType video/webm webm AddType video/x-flv flv # Serving `.ico` image files with a different media type # prevents Internet Explorer from displaying then as images: # https://github.com/h5bp/html5-boilerplate/commit/37b5fec090d00f38de64b591bcddcb205aadf8ee AddType image/x-icon cur ico # Web fonts AddType application/font-woff woff AddType application/font-woff2 woff2 AddType application/vnd.ms-fontobject eot # Browsers usually ignore the font media types and simply sniff # the bytes to figure out the font type. # https://mimesniff.spec.whatwg.org/#matching-a-font-type-pattern # # However, Blink and WebKit based browsers will show a warning # in the console if the following font types are served with any # other media types. AddType application/x-font-ttf ttc ttf AddType font/opentype otf # Other AddType application/octet-stream safariextz AddType application/x-bb-appworld bbaw AddType application/x-chrome-extension crx AddType application/x-opera-extension oex AddType application/x-xpinstall xpi AddType text/vcard vcard vcf AddType text/vnd.rim.location.xloc xloc AddType text/vtt vtt AddType text/x-component htc  # ---------------------------------------------------------------------- # | Reducing MIME type security risks | # ---------------------------------------------------------------------- # Prevent some browsers from MIME-sniffing the response. # # This reduces exposure to drive-by download attacks and cross-origin # data leaks, and should be left uncommented, especially if the server # is serving user-uploaded content or content that could potentially be # treated as executable by the browser. # # http://www.slideshare.net/hasegawayosuke/owasp-hasegawa # http://blogs.msdn.com/b/ie/archive/2008/07/02/ie8-security-part-v-comprehensive-protection.aspx # https://msdn.microsoft.com/en-us/library/ie/gg622941.aspx # https://mimesniff.spec.whatwg.org/  Header set X-Content-Type-Options "nosniff"  # ---------------------------------------------------------------------- # | ETags | # ---------------------------------------------------------------------- # Remove `ETags` as resources are sent with far-future expires headers. # # https://developer.yahoo.com/performance/rules.html#etags # https://tools.ietf.org/html/rfc7232#section-2.3 # `FileETag None` doesn't work in all cases.  Header unset ETag  FileETag None # ---------------------------------------------------------------------- # | Expires headers | # ---------------------------------------------------------------------- # Serve resources with far-future expires headers. # # (!) If you don't control versioning with filename-based # cache busting, you should consider lowering the cache times # to something like one week. # # https://httpd.apache.org/docs/current/mod/mod_expires.html  ExpiresActive on ExpiresDefault "access plus 1 month" # CSS ExpiresByType text/css "access plus 1 year" # Data interchange ExpiresByType application/atom+xml "access plus 1 hour" ExpiresByType application/rdf+xml "access plus 1 hour" ExpiresByType application/rss+xml "access plus 1 hour" ExpiresByType application/json "access plus 0 seconds" ExpiresByType application/ld+json "access plus 0 seconds" ExpiresByType application/schema+json "access plus 0 seconds" ExpiresByType application/vnd.geo+json "access plus 0 seconds" ExpiresByType application/xml "access plus 0 seconds" ExpiresByType text/xml "access plus 0 seconds" # Favicon (cannot be renamed!) and cursor images ExpiresByType image/vnd.microsoft.icon "access plus 1 week" ExpiresByType image/x-icon "access plus 1 week" # HTML ExpiresByType text/html "access plus 0 seconds" # JavaScript ExpiresByType application/javascript "access plus 1 year" ExpiresByType application/x-javascript "access plus 1 year" ExpiresByType text/javascript "access plus 1 year" # Manifest files ExpiresByType application/manifest+json "access plus 1 year" ExpiresByType application/x-web-app-manifest+json "access plus 0 seconds" ExpiresByType text/cache-manifest "access plus 0 seconds" # Media files ExpiresByType audio/ogg "access plus 1 month" ExpiresByType image/bmp "access plus 1 month" ExpiresByType image/gif "access plus 1 month" ExpiresByType image/jpeg "access plus 1 month" ExpiresByType image/png "access plus 1 month" ExpiresByType image/svg+xml "access plus 1 month" ExpiresByType image/webp "access plus 1 month" ExpiresByType video/mp4 "access plus 1 month" ExpiresByType video/ogg "access plus 1 month" ExpiresByType video/webm "access plus 1 month" # Web fonts # Embedded OpenType (EOT) ExpiresByType application/vnd.ms-fontobject "access plus 1 month" ExpiresByType font/eot "access plus 1 month" # OpenType ExpiresByType font/opentype "access plus 1 month" # TrueType ExpiresByType application/x-font-ttf "access plus 1 month" # Web Open Font Format (WOFF) 1.0 ExpiresByType application/font-woff "access plus 1 month" ExpiresByType application/x-font-woff "access plus 1 month" ExpiresByType font/woff "access plus 1 month" # Web Open Font Format (WOFF) 2.0 ExpiresByType application/font-woff2 "access plus 1 month" # Other ExpiresByType text/x-cross-domain-policy "access plus 1 week"

Autres configurations de boilerplate pour divers serveurs Web

La configuration du serveur “passe-partout” existe pour les autres configurations de serveur HTTP similaires à cet extrait de configuration Apache et est maintenue à l’ adresse https://github.com/h5bp/server-configs.