利用WordPress Cachify插件实现缓存加速提高网站打开速度

今天老蒋在研究WordPress加速的时候看到有网友推荐这款Cachify插件。从介绍功能上可以看到Cachify是通过缓存文章、页面和自定义文章类型为静态内容来优化我们网站的页面加载速度。我们可以从以下几个缓存方式中选择：数据库、服务器硬盘（HDD）、Memcached（仅在Nginx上可用）或 APC（Alternative PHP Cache）——直接在Web服务器的系统缓存中。用户访问时，页面或文章可直接从缓存中拉取。数据库和查询和PHP请求数可显著减少，如果选择了合适的缓存方式，这个数字可能为0。

这里我们直接搜索下载后激活安装插件。

如果我们仅仅只用这个插件的话，可以选择硬盘加速模式。

#A description for only https and sites that are accessible via https and http follows below.#Extension of the .htaccess (Apache), if the website is only accessible via http: (https://gist.github.com/sergejmueller/2027249#file-htaccess)#.htaccess extension for websites that can be reached under both http and https: (https://gist.github.com/mcguffin/31f80070d631d56da23cefb4ef1b6649)# BEGINN CACHIFYIfModule mod_rewrite.c>
        # ENGINE ON    RewriteEngine On    # GZIP FILE    IfModule mod_mime.c>
        RewriteCond %{
REQUEST_URI}
 /$        RewriteCond %{
REQUEST_URI}
 !^/(wp-admin|wp-content/cache)/.*        RewriteCond %{
REQUEST_METHOD}
 !=POST        RewriteCond %{
QUERY_STRING}
 =""        RewriteCond %{
HTTP_COOKIE}
 !(wp-postpass|wordpress_logged_in|comment_author)_        RewriteCond %{
HTTP:Accept-Encoding}
 gzip        RewriteCond %{
DOCUMENT_ROOT}
/path to/wp-content/cache/cachify/%{
HTTP_HOST}
%{
REQUEST_URI}
index.html.gz -f        RewriteRule ^(.*) /path to/wp-content/cache/cachify/%{
HTTP_HOST}
%{
REQUEST_URI}
    index.html.gz [L]        AddType text/html .gz        AddEncoding gzip .gz    /IfModule>
    # HTML FILE    RewriteCond %{
REQUEST_URI}
 /$    RewriteCond %{
REQUEST_URI}
 !^/(wp-admin|wp-content/cache)/.*    RewriteCond %{
REQUEST_METHOD}
 !=POST    RewriteCond %{
QUERY_STRING}
 =""    RewriteCond %{
HTTP_COOKIE}
 !(wp-postpass|wordpress_logged_in|comment_author)_    RewriteCond %{
DOCUMENT_ROOT}
/path to/wp-content/cache/cachify/%{
HTTP_HOST}
%{
REQUEST_URI}
index.html -f    RewriteRule ^(.*) /path to/wp-content/cache/cachify/%{
HTTP_HOST}
%{
REQUEST_URI}
    index.html [L]/IfModule>
    # END CACHIFY#Nginx configuration file extension (https://gist.github.com/sergejmueller/1939164#file-gistfile1-nginxconf)## GZIPgzip_static on;
     ## CHARSETcharset utf-8;
 ## INDEX LOCATIONlocation / {
    if ( $query_string ) {
            return 405;
    }
    if ( $request_method = POST ) {
            return 405;
    }
    if ( $request_uri ~ /wp-admin/ ) {
            return 405;
    }
    if ( $http_cookie ~ (wp-postpass|wordpress_logged_in|comment_author)_ ) {
            return 405;
    }
        error_page 405 = @nocache;
    try_files /wp-content/cache/cachify/https-${
host}
${
uri}
index.html /wp-content/cache/cachify/${
host}
${
uri}
    index.html @nocache;
}
 ## NOCACHE LOCATIONlocation @nocache {
        try_files $uri $uri/ /index.php?$args;
}
 ## PROTECT CACHElocation ~ /wp-content/cache {
        internal;
}
    

如果我们选择的是硬盘换成，需要在上面 修改我们的.htaccess或者是Nginx配置配置文件。

我们还可以配合Memcached进行加速，比如我们在上图中选择Memcached加速模式，但是前提是我们的当前服务器是有安装Memcached。

比如我们在用宝塔面板的话，需要启动安装Memcached软件。

然后在站点配置中还需要配置设置。

#Extension of the Nginx configuration file (https://gist.github.com/sergejmueller/6113816#file-gistfile1-txt)#If you have errors please try to change memcached_pass localhost:11211;
     to memcached_pass 127.0.0.1:11211;
     This forces IPv4 because some servers that allow ipv4 and ipv6 are configured to bind memcached to ipv4 only.## GZIPgzip_static on;
    ## CHARSETcharset utf-8;
## INDEX LOCATIONlocation / {
        error_page 404 405 = @nocache;
     if ( $query_string ) {
            return 405;
    }
    if ( $request_method = POST ) {
            return 405;
    }
    if ( $request_uri ~ "/wp-" ) {
            return 405;
    }
    if ( $http_cookie ~ (wp-postpass|wordpress_logged_in|comment_author)_ ) {
            return 405;
    }
        default_type text/html;
        add_header X-Powered-By Cachify;
        set $memcached_key $host$uri;
        memcached_pass localhost:11211;
}
location @nocache {
        try_files $uri $uri/ /index.php?$args;
}
    

这是官方给的示范Nginx设置。

这里，老蒋知道这个Cachify插件是可以实现WordPress缓存加速的，后面实战详细的来操作介绍使用Cachify插件的加速功能。

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