WordPress implements static page caching without plugins

1. Caching principle: 1. Use php to obtain the user's request URL link. If it is the first visit, save the link on the hard disk as a static html file, and the file name will be the MD5 value of the link. 2. When this link is accessed subsequently, the MD5 values ​​are compared. If they are equal, the html file is read directly from the hard disk and sent back to the user. 3. You can set the expiration time of cached files. If the time expires, the static html file will be regenerated

2. Cache files Change the following file to cache.php and put it in the root directory of the website: cache< /p>

3. Create a new directory named cache in the root directory and change the permissions to 777 (for writing cache files).

4. Then add the following code to the head of index.php: require(‘cache.php’);

Reprinted from: http://iytc.net/wordpress/?p=5823

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