WordPress 静态缓存插件有很多，比如： WP Super Cache 、 Hyper Cache 、 W3 Total Cache 、当然还有今天要介绍的 WP Rocket 插件。它们都各有各的特点，感兴趣的朋友可以百度一下，今天主要讲一讲 WP Rocket 的使用介绍。

产品描述

WP Rocket 自称是当前最高效也是最灵活的 WordPress 静态缓存插件。可以优化你的 JS CSS 文件结构减少多次请求达到优化速度的目的，还集成了图片延迟加载对最求极致加速的用户不错的选择，通过使用这个插件，能使得你的 WordPress 博客将显著的提速。

更新日志

2.9.9 （2017年3月22日更新）

• Enhancement: Compatibility with GoDaddy Managed Hosting
• Enhancement: Update Mobile_Detect class to recent version
• Enhancement: Allow caching when the ao_noptimize query string is set
• Fix: LazyLoad Iframes & Videos no longer crashes Android Facebook browser
• Fix: CDN URL no longer applied on SVG URL by reference
• Fix: Remove query string is now correctly applied when minification disabled on a single post
• Fix: Imagify install button works again

2.9.8.1 （2017年3月2日更新）

• Regression Fix: PHP Fatal error: Can’t use function return value in write context in ../inc/front/cdn.php on line 138

WP Rocket v2.9.2(2017年1月11日)

• Enhancement: Apply CDN URL to images displayed with wp_get_attachment_image_src()
• Enhancement: Preserve Yandex comments during HTML minification
• Enhancement: save CloudFlare IPs in a transient to prevent calls to the CloudFlare API
• Fix: Replace spaces in cache busting path to prevent loading issue with the cache busting files
• Fix: Do not minify if request is a POST method to prevent JS files to be added in the footer of a not cached page
• Fix: Check if post type is an object before purge to prevent a PHP warning
• Fix: Correctly remove the cache busting folder when uninstalling WP Rocket
• Fix: Force int type for CloudFlare browser cache TTL value

关于 WP Rocket 配置

我这里主要讲 web 服务器是 Nginx 的使用方法。

1、下载安装 WP Rocket （下载地址往下看），39 刀正版支持，诸位老板少抽几包烟，尽量支持官方。

2、添加rewite规则到vhost配置文件中。目的就是让web服务器节省在请求动态文件，直接读取生成的静态文件。

1. ###################################################################################################
2. # Rocket-Nginx
3. #
4. # Rocket-Nginx is a NGINX configuration to speedup your WordPress
5. # website with the cache plugin WP-Rocket (http://wp-rocket.me)
6. #
7. # Author: Maxime Jobin
8. # URL: https://github.com/maximejobin/rocket-nginx
9. #
10. # Tested with WP-Rocket version: 2.8.11
11. # Tested with NGINX: 1.11.3 (mainline)
12. #
13. # Version 1.2
14. #
15. ###################################################################################################
16.  
17. # Add debug information into header
18. set $rocket_debug 0;
19.  
20. # HTTP Strict Transport Security (to overwrite default)
21. set $rocket_hsts_value “”;
22.  
23. # WP-Content directory (leave as is if you did not alter WordPress’ default value)
24. set $rocket_wpcontent_directory “$document_root/wp-content”;
25.  
26. # WP-Content URL (leave as is if you did not alter WordPress’ default value)
27. set $rocket_wpcontent_url “/wp-content”;
28.  
29. ###################################################################################################
30. # Do not alter theses values
31. #
32. set $rocket_bypass 1; # Should NGINX bypass WordPress and call cache file directly ?
33. set $rocket_encryption “”; # Is GZIP accepted by client ?
34. set $rocket_file “”; # Filename to use
35. set $rocket_is_bypassed “No”; # Header text added to check if the bypass worked or not. Header: X-Rocket-Nginx-Bypass
36. set $rocket_reason “”; # Reason why cache file was not used. If cache file is used, what file was used
37. set $rocket_https_prefix “”; # HTTPS prefix to use when cached files are using HTTPS
38. set $rocket_hsts 0; # Is HSTS is off (0) by default. Will be turned on (1) if request is HTTPS
39.  
40. # HSTS Default value : 1 year, include subdomains.
41. set $rocket_hsts_value_default “max-age=31536000; includeSubDomains”;
42.  
43. ###################################################################################################
44. # PAGE CACHE
45. #
46.  
47. # Is GZIP accepted by client ?
48. if ($http_accept_encoding ~ gzip) {
49. set $rocket_encryption “_gzip”;
50. }
51.  
52. # Is SSL request ?
53. if ($https = “on”) {
54. set $rocket_https_prefix “-https”;
55. set $rocket_hsts 1;
56. }
57.  
58. # If HSTS value is not set, use default value
59. if ($rocket_hsts_value = “”) {
60. set $rocket_hsts_value “$rocket_hsts_value_default”;
61. }
62.  
63. # If HSTS is disabled, unset HSTS set for Rocket-Nginx configuration
64. if ($rocket_hsts = “0”) {
65. set $rocket_hsts_value “”;
66. }
67.  
68. # File/URL to return IF we must bypass WordPress
69. # index-mobile.html
70. # index-mobile-https.html
71. set $rocket_end “/cache/wp-rocket/$http_host/$request_uri/index$rocket_https_prefix.html$rocket_encryption”;
72. set $rocket_url “$rocket_wpcontent_url$rocket_end”;
73. set $rocket_file “$rocket_wpcontent_directory$rocket_end”;
74. set $rocket_mobile_detection “$rocket_wpcontent_directory/cache/wp-rocket/$http_host/$request_uri/.mobile-active”;
75.  
76.  
77. # Do not bypass if it’s a POST request
78. if ($request_method = POST) {
79. set $rocket_bypass 0;
80. set $rocket_reason “POST request”;
81. }
82.  
83. # Do not bypass if arguments are found (e.g. ?page=2)
84. if ($is_args) {
85. set $rocket_bypass 0;
86. set $rocket_reason “Arguments found”;
87. }
88.  
89. # Do not bypass if the site is in maintenance mode
90. if (-f “$document_root/.maintenance”) {
91. set $rocket_bypass 0;
92. set $rocket_reason “Maintenance mode”;
93. }
94.  
95. # Do not bypass if one of those cookie if found
96. # wordpress_logged_in_[hash] : When a user is logged in, this cookie is created (we’d rather let WP-Rocket handle that)
97. # wp-postpass_[hash] : When a protected post requires a password, this cookie is created.
98. if ($http_cookie ~* “(wordpress_logged_in_|wp\-postpass_|woocommerce_items_in_cart|woocommerce_cart_hash|wptouch_switch_toogle|comment_author_|comment_author_email_)”) {
99. set $rocket_bypass 0;
100. set $rocket_reason “Cookie”;
101. }
102.  
103. if (-f “$rocket_mobile_detection”) {
104. set $rocket_bypass 0;
105. set $rocket_reason “Specific mobile cache activated”;
106. }
107.  
108. # Do not bypass if the cached file does not exist
109. if (!-f “$rocket_file”) {
110. set $rocket_bypass 0;
111. set $rocket_reason “File not cached”;
112. }
113.  
114. # If the bypass token is still on, let’s bypass WordPress with the cached URL
115. if ($rocket_bypass = 1) {
116. set $rocket_is_bypassed “Yes”;
117. set $rocket_reason “$rocket_url”;
118. }
119.  
120. # Clear variables if debug is not needed
121. if ($rocket_debug = 0) {
122. set $rocket_reason “”;
123. set $rocket_file “”;
124. }
125.  
126. # If the bypass token is still on, rewrite according to the file linked to the request
127. if ($rocket_bypass = 1) {
128. rewrite .* “$rocket_url” last;
129. }
130.  
131. # Add header to HTML cached files
132. location ~ /wp-content/cache/wp–rocket/.*html$ {
133. add_header Vary “Accept-Encoding, Cookie”;
134. add_header X–Rocket–Nginx–Bypass $rocket_is_bypassed;
135. add_header X–Rocket–Nginx–Reason $rocket_reason;
136. add_header X–Rocket–Nginx–File $rocket_file;
137. add_header Strict–Transport–Security “$rocket_hsts_value”;
138. expires 30d;
140. #!# HEADER_HTTP #!#
141. #!# HEADER_NON_GZIP #!#
142. }
143.  
144. # Do not gzip cached files that are already gzipped
145. location ~ /wp-content/cache/wp–rocket/.*_gzip$ {
146. gzip off;
147. types {}
148. default_type text/html;
149. add_header Content–Encoding gzip;
150. add_header Vary “Accept-Encoding, Cookie”;
151. add_header X–Rocket–Nginx–Bypass $rocket_is_bypassed;
152. add_header X–Rocket–Nginx–Reason $rocket_reason;
153. add_header X–Rocket–Nginx–File $rocket_file;
154. add_header Strict–Transport–Security “$rocket_hsts_value”;
155. expires 30d;
157. #!# HEADER_HTTP #!#
158. #!# HEADER_GZIP #!#
159. }
160.  
161. # Debug header (when file is not cached)
162. add_header X–Rocket–Nginx–Bypass $rocket_is_bypassed;
163. add_header X–Rocket–Nginx–Reason $rocket_reason;
164. add_header X–Rocket–Nginx–File $rocket_file;
165.  
166. # No HSTS header added here. We suppose it’s correctly added in the site configuration
167.  
168.  
169. ###################################################################################################
170. # BROWSER CSS CACHE
171. #
172. location ~* \.css$ {
173. gzip_vary on;
174. expires 30d;
176. #!# HEADER_CSS #!#
177. }
178.  
179.  
180. ###################################################################################################
181. # BROWSER JS CACHE
182. #
183. location ~* \.js$ {
184. gzip_vary on;
185. expires 30d;
187. #!# HEADER_JS #!#
188. }
189.  
190.  
191. ###################################################################################################
192. # BROWSER MEDIA CACHE
193. #
194. location ~* \.(ico|gif|jpe?g|png|svg|eot|otf|woff|woff2|ttf|ogg)$ {
195. expires 30d;
197. #!# HEADER_MEDIAS #!#
198. }

以上代码复制保存为 rocket.conf 文件上传到你的 nginx/conf 目录中，然后我们只要在我们的vhsot文件中引入即可。

1. # BEGIN WP rocket
2. include /usr/local/nginx/conf/rocket.conf;
3. # END WP rocket

然后 Nginx restart 重启一下使文件生效。按照如上配置好之后，查看网站源码，源码最底部就会出现安装成功后的提示如下：

1. <!– This website is like a Rocket, isn’t it ? Performance optimized by WP Rocket. Learn more: http://wp-rocket.me – Debug: cached@1458565320 –>

能看到此信息，就说明完事ok了。

最后放下载地址：wp-rocket

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