Meta和.htaccess中的缓存控制优化

我们想学习和优化我们的网站缓存，我们有以下代码

在meta中，我们有：

第1-10页

    <meta http-equiv="Cache-control" content="max-age=2592000, public">

您认为.htaccess文件中的

头unset ETag

会是 必要吗

我不知道为什么我们会得到页面的

Pragma:no cache

因为我们在第1页有

，所以在回复中有1个

我们是否有任何地方做错了，并且可以以更好的方式进行优化/更改

ExpriesByTyps中必须同时包含

image/jpeg

和

image/jpg

。如有任何其他意见，我们将不胜感激

感谢您的时间，

ad2）–真实HTTP响应头和

meta HTTP equiv

之间存在差异–前两个具有优先权。

    <meta http-equiv="Cache-control" content="max-age=604800, private">

    <meta http-equiv="Cache-control" content="max-age=3600, private">

    <meta http-equiv="Pragma" content="no-cache" />
    <meta http-equiv="expires" content="0" />

#### Expires By Type
<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresDefault "access plus 60 seconds"
    ExpiresByType image/x-icon "access plus 29030400 seconds"
    ExpiresByType image/jpeg "access plus 29030400 seconds"
    ExpiresByType image/jpg "access plus 29030400 seconds"
    ExpiresByType image/png "access plus 29030400 seconds"
    ExpiresByType image/gif "access plus 29030400 seconds"
    ExpiresByType application/x-shockwave-flash "access plus 29030400 seconds"
    ExpiresByType text/css "access plus 2592000 seconds"
    ExpiresByType text/javascript "access plus 2592000 seconds"
    ExpiresByType application/x-javascript "access plus 2592000 seconds"
    ExpiresByType text/html "access plus 600 seconds"
    ExpiresByType application/xhtml+xml "access plus 600 seconds"
</IfModule>

#### Cache-Control
<IfModule mod_headers.c>
    <FilesMatch "\\.(ico|jpe?g|png|gif|swf)$">
        Header set Cache-Control "max-age=29030400, public"
        Header set Last-Modified "Mon, 24 Mar 2014 00:00:00 GMT"
    </FilesMatch>
    <FilesMatch "\\.(css|js)$">
        Header set Cache-Control "max-age=2592000, public"
        Header set Last-Modified "Mon, 24 Mar 2014 00:00:00 GMT"
    </FilesMatch>
    <FilesMatch "\\.(x?html?|php|xml)$">
        Header set Cache-Control "max-age=600, private, must-revalidate"
        Header set Last-Modified "Mon, 24 Mar 2014 00:00:00 GMT"
    </FilesMatch>
</IfModule>

#### ETags
<IfModule mod_headers.c>
    Header unset ETag
</IfModule>
FileETag None

HTTP/1.1 200 OK
    Date: Mon, 24 Mar 2014 14:14:50 GMT
    Server: Apache
    X-Powered-By: PHP/5.3.17
    Expires: Thu, 19 Nov 1981 08:52:00 GMT
    Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-
        check=0
    Pragma: no-cache
    Vary: Accept-Encoding,User-Agent
    Content-Encoding: gzip
    Cache-Control: max-age=600, private, must-revalidate
    Last-Modified: Mon, 24 Mar 2014 00:00:00 GMT
    Keep-Alive: timeout=2, max=100
    Connection: Keep-Alive
    Transfer-Encoding: chunked
    Content-Type: text/html; charset=UTF-8