# Source: https://github.com/h5bp/server-configs-apache
# ######################################################################
# # ERRORS #
# ######################################################################
# ----------------------------------------------------------------------
# | Custom error messages/pages |
# ----------------------------------------------------------------------
# Customize what Apache returns to the client in case of an error.
# https://httpd.apache.org/docs/current/mod/core.html#errordocument
ErrorDocument 404 /404/
# ######################################################################
# # INTERNET EXPLORER #
# ######################################################################
# ----------------------------------------------------------------------
# | Document modes |
# ----------------------------------------------------------------------
# Force Internet Explorer 8/9/10 to render pages in the highest mode
# available in the various cases when it may not.
#
# https://hsivonen.fi/doctype/#ie8
#
# (!) Starting with Internet Explorer 11, document modes are deprecated
# and should no longer be used.
#
# http://msdn.microsoft.com/en-us/library/ie/bg182625.aspx#docmode
# http://blogs.msdn.com/b/ie/archive/2014/04/02/stay-up-to-date-with-enterprise-mode-for-internet-explorer-11.aspx
<IfModule mod_headers.c>
Header set X-UA-Compatible "IE=edge"
# `mod_headers` cannot match based on the content-type, however,
# the `X-UA-Compatible` response header should be send only for
# HTML documents and not for the other resources.
<FilesMatch ".(appcache|atom|crx|css|cur|eot|f4[abpv]|flv|geojson|gif|htc|ico|jpe?g|js|json(ld)?|m4[av]|manifest|map|mp4|oex|og[agv]|opus|otf|pdf|png|rdf|rss|safariextz|svgz?|swf|topojson|tt[cf]|txt|vcf|vtt|webapp|web[mp]|woff2?|xml|xpi)$">
Header unset X-UA-Compatible
</FilesMatch>
</IfModule>
# ######################################################################
# # PERFORMANCE #
# ######################################################################
# ----------------------------------------------------------------------
# | 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 (e.g.: to something like
# one week).
<IfModule mod_expires.c>
ExpiresActive on
ExpiresDefault "access plus 1 month"
# CSS
ExpiresByType text/css "access plus 1 year"
# Data interchange
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/x-icon "access plus 1 week"
# HTML components (HTCs)
ExpiresByType text/x-component "access plus 1 month"
# HTML
ExpiresByType text/html "access plus 0 seconds"
# JavaScript
ExpiresByType application/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 image/gif "access plus 1 month"
ExpiresByType image/jpeg "access plus 1 month"
ExpiresByType image/png "access plus 1 month"
# Web fonts
ExpiresByType application/font-woff "access plus 1 month"
ExpiresByType application/font-woff2 "access plus 1 month"
ExpiresByType application/vnd.ms-fontobject "access plus 1 month"
ExpiresByType application/x-font-ttf "access plus 1 month"
ExpiresByType font/opentype "access plus 1 month"
ExpiresByType image/svg+xml "access plus 1 month"
</IfModule>
# ----------------------------------------------------------------------
# | Compression |
# ----------------------------------------------------------------------
<IfModule mod_deflate.c>
# Force compression for mangled headers.
# https://developer.yahoo.com/blogs/ydn/pushing-beyond-gzipping-25601.html
<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
</IfModule>
</IfModule>
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Map certain file types to the specified encoding type in order
# to make Apache serve them with the appropriate `Content-Encoding`
# response header (this will NOT make Apache compress them!).
# If the following file types wouldn't be served without the
# appropriate `Content-Enable` 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://httpd.apache.org/docs/current/mod/mod_mime.html#addencoding
<IfModule mod_mime.c>
AddEncoding gzip svgz
</IfModule>
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Compress all output labeled with one of the following media types.
# (!) For Apache versions below 2.3.7 you don't need to enable
# `mod_filter` and can remove the `<IfModule mod_filter.c>` and
# `</IfModule>` lines as `AddOutputFilterByType` is still in
# the core directives.
<IfModule mod_filter.c>
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/vnd.geo+json"
"application/vnd.ms-fontobject"
"application/x-font-ttf"
"application/x-web-app-manifest+json"
"application/xhtml+xml"
"application/xml"
"font/opentype"
"text/cache-manifest"
"text/css"
"text/html"
"text/javascript"
"text/plain"
"text/vtt"
"text/x-component"
"text/xml"
</IfModule>
</IfModule>
