Nginx下安装配置PageSpeed模块,轻松完成网站提速

作为Nginx组件,ngx_pagespeed将重写你的网页,让用户以更快的速度进行访问。重写的工作包括压缩图片、缩减CSS和JavaScript、扩展缓存时间,同样还包括其它一些最佳实践:

  • 优化缓存——整合应用程序的数据和逻辑
  • 最小化round-trip次数——削减连续的请求/响应周期数
  • 最小化请求开销——削减上传大小
  • 最小化负载大小——削减响应、下载及缓存页面大小
  • 优化浏览器渲染——改善浏览器页面布局
  • 移动方面的优化——优化站点移动网络和设备方面的相关特性

下载解压PageSpeed模块

cd /root/lnmp/src
wget https://github.com/pagespeed/ngx_pagespeed/archive/release-1.6.29.5-beta.zip
unzip -q release-1.6.29.5-beta
wget https://dl.google.com/dl/page-speed/psol/1.6.29.5.tar.gz
tar xzf 1.6.29.5.tar.gz -C ngx_pagespeed-release-1.6.29.5-beta

查看线上版本编译参数

# /usr/local/nginx/sbin/nginx -V
nginx version: nginx/1.4.1
built by gcc 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC)
TLS SNI support enabled
configure arguments: --prefix=/usr/local/nginx --user=www --group=www --with-http_stub_status_module --with-http_ssl_module

增加ngx_pagespeed模块重新编译

# wget http://nginx.org/download/nginx-1.4.2.tar.gz
# tar -xvzf nginx-1.4.2.tar.gz
# cd nginx-1.4.2/
# ./configure --prefix=/usr/local/nginx --user=www --group=www --with-http_stub_status_module --with-http_ssl_module --add-module=../ngx_pagespeed-release-1.6.29.5-beta/
# make //注意只make 不要make install (如果报错请看下面)

安装ngx_pagespeed (make) 32位操作系统可能会报如下错误

../ngx_pagespeed-release-1.6.29.5-beta/psol/lib/Release/linux/ia32/pagespeed_automatic.a(104.system.o.o): In function `cv::tempfile(char const*)':
system.cpp:(.text._ZN2cv8tempfileEPKc+0x1e): warning: the use of `tmpnam' is dangerous, better use `mkstemp'
objs/addon/src/ngx_base_fetch.o: In function `net_instaweb::NgxBaseFetch::DecrefAndDeleteIfUnreferenced()':
/root/lnmp/src/nginx-1.4.2/../ngx_pagespeed-release-1.6.29.5-beta/src/ngx_base_fetch.cc:185: undefined reference to `__sync_add_and_fetch_4'
collect2: ld returned 1 exit status
make[1]: *** [objs/nginx] Error 1
make[1]: Leaving directory `/root/lnmp/src/nginx-1.4.2'
make: *** [build] Error 2

解决方法:

./configure 后面加上–with-cc-opt=’-DLINUX=2 -D_REENTRANT -D_LARGEFILE64_SOURCE -march=i686 -pthread’ ,如下:

# make clean
# ./configure --prefix=/usr/local/nginx --user=www --group=www --with-http_stub_status_module --with-http_ssl_module --add-module=../ngx_pagespeed-release-1.6.29.5-beta \
--with-cc-opt='-DLINUX=2 -D_REENTRANT -D_LARGEFILE64_SOURCE -march=i686 -pthread'
# make
# mv /usr/local/nginx/sbin/nginx /usr/local/nginx/sbin/nginx$(date +%m%d) #备份nginx原文件
# cp objs/nginx /usr/local/nginx/sbin/nginx #复制编译make后的文件覆盖nginx原文件
# /usr/local/nginx/sbin/nginx -t #检测nginx配置文件语法是否正确
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful
# kill -USR2 `cat /usr/local/nginx/logs/nginx.pid` #把nginx.pid改成nginx.pid.oldbin跟着启动新的nginx
# kill -QUIT `cat /usr/local/nginx/logs/nginx.pid.oldbin` #退出旧的nignx

使用ngx_pagespeed

# mkdir /var/ngx_pagespeed_cache
# chown www.www /var/ngx_pagespeed_cache
# cp /usr/local/nginx/conf/nginx.conf /usr/local/nginx/conf/nginx.conf$(date +%m%d) #备份nginx配置文件
# vi /usr/local/nginx/conf/nginx.conf
server {
#省略
pagespeed on;
pagespeed FileCachePath /var/ngx_pagespeed_cache;
pagespeed RewriteLevel CoreFilters;
pagespeed EnableFilters local_storage_cache;
pagespeed EnableFilters collapse_whitespace,remove_comments;
pagespeed EnableFilters outline_css;
pagespeed EnableFilters flatten_css_imports;
pagespeed EnableFilters move_css_above_scripts;
pagespeed EnableFilters move_css_to_head;
pagespeed EnableFilters outline_javascript;
pagespeed EnableFilters combine_javascript;
pagespeed EnableFilters combine_css;
pagespeed EnableFilters rewrite_javascript;
pagespeed EnableFilters rewrite_css,sprite_images;
pagespeed EnableFilters rewrite_style_attributes;
pagespeed EnableFilters recompress_images;
pagespeed EnableFilters resize_images;
pagespeed EnableFilters convert_meta_tags;
location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" { add_header "" ""; }
location ~ "^/ngx_pagespeed_static/" { }
location ~ "^/ngx_pagespeed_beacon$" { }
location /ngx_pagespeed_statistics { allow 127.0.0.1; deny all; }
location /ngx_pagespeed_message { allow 127.0.0.1; deny all; }
#省略
}
# /usr/local/nginx/sbin/nginx -t
Setting option from ("on")
Setting option from ("FileCachePath", "/var/ngx_pagespeed_cache")
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful
# service nginx restart
Stopping nginx: [ OK ]
Starting nginx: Setting option from ("on")
Setting option from ("FileCachePath", "/var/ngx_pagespeed_cache") [ OK ]
# curl -I 'http://www.linuxeye.com/' | grep X-Page-Speed
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- 0:00:03 --:--:-- 0
X-Page-Speed: 1.4.0.0-2748

注意:

如果discuz使用了伪静态要注销掉下面部分(前面加#注销):

#if (!-e $request_filename) {
#	return 404;
#}

使用后效果如下:

使用PageSpeed模块效果演示网站:http://www.linuxeye.com

参考:
https://developers.google.com/speed/pagespeed/ngx
https://github.com/pagespeed/ngx_pagespeed

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