Developer | ezraverheijen |
---|---|
Update Time | Aug. 17, 2015, 6:41 p.m. |
Donation URL: | donation |
PHP Version: | 3.5 + |
WordPress Version: | 4.2 |
Copyright: | GPL v3 or later |
Copyright URL: | Copyright Information |
if-modified-since
folder to the /wp-content/plugins/
directorySome plugins like W3TC support the If-Modified-Since header, so there's no need to install this plugin.
You can test If Modified Since here