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126 Nginx开启Gzip压缩大幅提高页面加载速度 http://www.jb51.cc/a/view/51706.html 刚刚给博客加了一个500px相册插件，lightBox引入了很多js文件和css文件，页面一下子看起来非常臃肿，所以还是把Gzip打开了。 环境：Debian 6 1、Vim打开Nginx配置文件 vim /usr/local/Nginx/conf/Nginx.conf 2、找到如下一段，进行修改 gzip on; gzip_min_length 1k; gzip_buffers 4 16k; #gzip_http_version 1.0; gzip_comp_level 2; gzip_types text/plain application/x-javascript text/css application/xml text/javascript application/x-httpd-PHP image/jpeg image/gif image/png; gzip_vary off; gzip_disable "MSIE [1-6]\."; 3、解释一下 第1行：开启Gzip 第2行：不压缩临界值，大于1K的才压缩，一般不用改 第3行：buffer，就是，嗯，算了不解释了，不用改 第4行：用了反向代理的话，末端通信是HTTP/1.0，有需求的应该也不用看我这科普文了；有这句的话注释了就行了，默认是HTTP/1.1 第5行：压缩级别，1-10，数字越大压缩的越好，时间也越长，看心情随便改吧 第6行：进行压缩的文件类型，缺啥补啥就行了，JavaScript有两种写法，最好都写上吧，总有人抱怨js文件没有压缩，其实多写一种格式就行了 第7行：跟Squid等缓存服务有关，on的话会在Header里增加"Vary: Accept-Encoding"，我不需要这玩意，自己对照情况看着办吧 第8行：IE6对Gzip不怎么友好，不给它Gzip了 4、:wq保存退出，重新加载Nginx /usr/local/Nginx/sbin/Nginx -s reload 5、用curl测试Gzip是否成功开启 curl -I -H "Accept-Encoding: gzip,deflate" "http://www.slyar.com/blog/" HTTP/1.1 200 OK Server: Nginx/1.0.15 Date: Sun,26 Aug 2012 18:13:09 GMT Content-Type: text/html; charset=UTF-8 Connection: keep-alive X-Powered-By: PHP/5.2.17p1 X-Pingback: http://www.slyar.com/blog/xmlrpc.PHP Content-Encoding: gzip 页面成功压缩 curl -I -H "Accept-Encoding: gzip,deflate" "http://www.slyar.com/blog/wp-content/plugins/photonic/include/css/photonic.css" HTTP/1.1 200 OK Server: Nginx/1.0.15 Date: Sun,26 Aug 2012 18:21:25 GMT Content-Type: text/css Last-Modified: Sun,26 Aug 2012 15:17:07 GMT Connection: keep-alive Expires: Mon,27 Aug 2012 06:21:25 GMT Cache-Control: max-age=43200 Content-Encoding: gzip css文件成功压缩 curl -I -H "Accept-Encoding: gzip,deflate" "http://www.slyar.com/blog/wp-includes/js/jquery/jquery.js" HTTP/1.1 200 OK Server: Nginx/1.0.15 Date: Sun,26 Aug 2012 18:21:38 GMT Content-Type: application/x-javascript Last-Modified: Thu,12 Jul 2012 17:42:45 GMT Connection: keep-alive Expires: Mon,27 Aug 2012 06:21:38 GMT Cache-Control: max-age=43200 Content-Encoding: gzip js文件成功压缩 curl -I -H "Accept-Encoding: gzip,deflate" "http://www.slyar.com/blog/wp-content/uploads/2012/08/2012-08-23_203542.png" HTTP/1.1 200 OK Server: Nginx/1.0.15 Date: Sun,26 Aug 2012 18:22:45 GMT Content-Type: image/png Last-Modified: Thu,23 Aug 2012 13:50:53 GMT Connection: keep-alive Expires: Tue,25 Sep 2012 18:22:45 GMT Cache-Control: max-age=2592000 Content-Encoding: gzip 图片成功压缩 curl -I -H "Accept-Encoding: gzip,deflate" "http://www.slyar.com/blog/wp-content/plugins/wp-multicollinks/wp-multicollinks.css" HTTP/1.1 200 OK Server: Nginx/1.0.15 Date: Sun,26 Aug 2012 18:23:27 GMT Content-Type: text/css Content-Length: 180 Last-Modified: Sat,02 May 2009 08:46:15 GMT Connection: keep-alive Expires: Mon,27 Aug 2012 06:23:27 GMT Cache-Control: max-age=43200 Accept-Ranges: bytes 最后来个不到1K的文件，由于我的阈值是1K，所以没压缩
