# ----------------------------------------------------------------------
# | Compression |
# ----------------------------------------------------------------------
# Force compression for mangled `Accept-Encoding` request headers
#
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Accept-Encoding
# https://calendar.perfplanet.com/2010/pushing-beyond-gzipping/
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
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Compress all output labeled with one of the following media types.
#
# https://httpd.apache.org/docs/current/mod/mod_filter.html#addoutputfilterbytype
AddOutputFilterByType DEFLATE "application/atom+xml" \
"application/javascript" \
"application/json" \
"application/ld+json" \
"application/manifest+json" \
"application/rdf+xml" \
"application/rss+xml" \
"application/schema+json" \
"application/geo+json" \
"application/vnd.ms-fontobject" \
"application/wasm" \
"application/x-font-ttf" \
"application/x-javascript" \
"application/x-web-app-manifest+json" \
"application/xhtml+xml" \
"application/xml" \
"font/eot" \
"font/opentype" \
"font/otf" \
"font/ttf" \
"image/bmp" \
"image/svg+xml" \
"image/vnd.microsoft.icon" \
"text/cache-manifest" \
"text/calendar" \
"text/css" \
"text/html" \
"text/javascript" \
"text/plain" \
"text/markdown" \
"text/vcard" \
"text/vnd.rim.location.xloc" \
"text/vtt" \
"text/x-component" \
"text/x-cross-domain-policy" \
"text/xml"
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Map the following filename extensions to the specified encoding type in
# order to make Apache serve the file types with the appropriate
# `Content-Encoding` response header (do note that this will NOT make
# Apache compress them!).
#
# If these files types would be served without an appropriate
# `Content-Encoding` response header, client applications (e.g.: browsers)
# wouldn't know that they first need to uncompress the response, and thus,
# wouldn't be able to understand the content.
#
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Encoding
# https://httpd.apache.org/docs/current/mod/mod_mime.html#addencoding
AddEncoding gzip svgz
# ----------------------------------------------------------------------
# | Cache expiration |
# ----------------------------------------------------------------------
# Serve resources with far-future expiration date.
#
# (!) If you don't control versioning with filename-based cache busting, you
# should consider lowering the cache times to something like one week.
#
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control
# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Expires
# 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/geo+json "access plus 0 seconds"
ExpiresByType application/xml "access plus 0 seconds"
ExpiresByType text/calendar "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 week"
ExpiresByType application/x-web-app-manifest+json "access plus 0 seconds"
ExpiresByType text/cache-manifest "access plus 0 seconds"
# Markdown
ExpiresByType text/markdown "access plus 0 seconds"
# Media files
ExpiresByType audio/ogg "access plus 1 month"
ExpiresByType image/apng "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"
# WebAssembly
ExpiresByType application/wasm "access plus 1 year"
# Web fonts
# Collection
ExpiresByType font/collection "access plus 1 month"
# 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"
ExpiresByType font/otf "access plus 1 month"
# TrueType
ExpiresByType application/x-font-ttf "access plus 1 month"
ExpiresByType 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"
ExpiresByType font/woff2 "access plus 1 month"
# Other
ExpiresByType text/x-cross-domain-policy "access plus 1 week"