WP高速化・さくらサーバ側でリソースを圧縮を有効にする

gzip・・・データ圧縮プログラムのひとつ
deflate・・・可逆データ圧縮アルゴリズム

# ETags(Configure entity tags) を無視する設定
<ifModule mod_headers.c>
Header unset ETag
</ifModule>
FileETag None# Enable Keep-Alive を設定
<IfModule mod_headers.c>
Header set Connection keep-alive
</IfModule># MIME Type 追加
<IfModule mime_module>
AddType text/cache-manifest .appcache
AddType image/x-icon .ico
AddType image/svg+xml .svg
AddType application/x-font-ttf .ttf
AddType application/x-font-woff .woff
AddType application/x-font-woff2 .woff2
AddType application/x-font-opentype .otf
AddType application/vnd.ms-fontobject .eot
</IfModule># プロクシキャッシュの設定（画像とフォントをキャッシュ）
<IfModule mod_headers.c>
<FilesMatch “\.(ico|jpe?g|png|gif|svg|swf|pdf|ttf|woff|woff2|otf|eot)$”>
Header set Cache-Control “max-age=604800, public”
</FilesMatch>
# プロキシサーバーが間違ったコンテンツを配布しないようにする
Header append Vary Accept-Encoding env=!dont-vary
</IfModule># ブラウザキャッシュの設定
<IfModule mod_headers.c>
<ifModule mod_expires.c>
ExpiresActive On# キャッシュ初期化（1秒に設定）
ExpiresDefault “access plus 1 seconds”

# MIME Type ごとの設定
ExpiresByType text/css “access plus 1 weeks”
ExpiresByType text/js “access plus 1 weeks”
ExpiresByType text/javascript “access plus 1 weeks”
ExpiresByType image/gif “access plus 1 weeks”
ExpiresByType image/jpeg “access plus 1 weeks”
ExpiresByType image/png “access plus 1 weeks”
ExpiresByType image/svg+xml “access plus 1 year”
ExpiresByType application/pdf “access plus 1 weeks”
ExpiresByType application/javascript “access plus 1 weeks”
ExpiresByType application/x-javascript “access plus 1 weeks”
ExpiresByType application/x-shockwave-flash “access plus 1 weeks”
ExpiresByType application/x-font-ttf “access plus 1 year”
ExpiresByType application/x-font-woff “access plus 1 year”
ExpiresByType application/x-font-woff2 “access plus 1 year”
ExpiresByType application/x-font-opentype “access plus 1 year”
ExpiresByType application/vnd.ms-fontobject “access plus 1 year”
</IfModule>
</IfModule>

# Gzip圧縮の設定
<IfModule mod_deflate.c>
SetOutputFilter DEFLATE

# 古いブラウザでは無効
BrowserMatch ^Mozilla/4\.0[678] no-gzip
BrowserMatch ^Mozilla/4 gzip-only-text/html
BrowserMatch \bMSIE\s(7|8) !no-gzip !gzip-only-text/html

# 画像など圧縮済みのコンテンツは再圧縮しない
SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png|ico|eot|woff|woff2)$ no-gzip dont-vary

AddOutputFilterByType DEFLATE text/plain
AddOutputFilterByType DEFLATE text/html
AddOutputFilterByType DEFLATE text/xml
AddOutputFilterByType DEFLATE text/css
AddOutputFilterByType DEFLATE text/js
AddOutputFilterByType DEFLATE image/svg+xml
AddOutputFilterByType DEFLATE application/xml
AddOutputFilterByType DEFLATE application/xhtml+xml
AddOutputFilterByType DEFLATE application/rss+xml
AddOutputFilterByType DEFLATE application/atom_xml
AddOutputFilterByType DEFLATE application/javascript
AddOutputFilterByType DEFLATE application/x-javascript
AddOutputFilterByType DEFLATE application/x-httpd-php
AddOutputFilterByType DEFLATE application/x-font-ttf
AddOutputFilterByType DEFLATE application/x-font-opentype
</IfModule>