高速化対策　その５

高速化対策 その５

// ウェブサーバーが対応していれば、これらを.htaccessに入れておくだけで、とっても効果的

<IfModule mod_expires.c>
ExpiresActive On
ExpiresDefault "access plus 2 weeks"
ExpiresByType image/gif "access plus 1 weeks"
ExpiresByType image/png "access plus 1 weeks"
ExpiresByType image/jpg "access plus 1 weeks"
ExpiresByType image/jpeg "access plus 1 weeks"
ExpiresByType text/html "access plus 1 seconds"
ExpiresByType text/css "access plus 2 weeks"
ExpiresByType text/javascript "access plus 2 weekss"
ExpiresByType application/x-javascript "access plus 2 weeks"
ExpiresByType font/opentype "access plus 2 weeks"
ExpiresByType font/ttf "access plus 2 weeks"
ExpiresByType font/eot "access plus 2 weeks"
ExpiresByType font/otf "access plus 2 weeks"
</IfModule>

// Apacheの.htaccessの設定方法
// Leverage browser caching 対策

<ifModule mod_expires.c>
    ExpiresActive On
    ExpiresByType image/jpg "access 3 days"
    ExpiresByType image/jpeg "access 3 days"
    ExpiresByType image/gif "access 3 days"
    ExpiresByType image/png "access 3 days"
    ExpiresByType text/css "access 1 month"
    ExpiresByType text/html "access 1 month"
    ExpiresByType application/pdf "access 1 month"
    ExpiresByType text/x-javascript "access 1 month"
    ExpiresByType application/x-shockwave-flash "access 1 month"
    ExpiresByType image/x-icon "access 3 days"
    ExpiresDefault "access 1 month"
</ifModule>

// Specify a Vary: Accept-Encoding header 対策

<IfModule mod_headers.c>
    <FilesMatch "\.(js|css|xml|gz)$">
        Header append Vary: Accept-Encoding
    </FilesMatch>
</IfModule>

// Defer parsing of Javascript 対策

<FilesMatch "(?i)^.*\.(ico|flv|jpg|jpeg|png|gif|js|css|pdf)$"> 
    ExpiresActive On 
    ExpiresDefault A2592000 
</FilesMatch> 
<ifmodule mod_deflate.c>
    AddOutputFilterByType DEFLATE text/text text/html text/plain text/xml text/css application/x-javascript application/javascript
</ifmodule>

// Enable Keep-Alive 対策

<ifModule mod_headers.c>
    Header set Connection keep-alive
</ifModule>

// Configure entity tags (ETags) 対策

<Files ~ "\.(css|js|html?|xml|gz)$">
    FileETag MTime Size
</Files>
<Files ~ "\.(gif|jpe?g|png|flv|mp4|ico)$">
    FileETag None
</Files>