This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

If Modified Since

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If Modified Since tells search engine spiders one of two things about a webpage:

This webpage has not changed, no need to download again.
This webpage has changed so download again because there is new information.

If the requested page has not been modified since the time specified by a search engine spider, a 304 (not modified) response will be returned without any message-body.

If you have any issues using If Modified Since, find a bug or have an idea to make the plugin even better then please help to improve If Modified Since.
If you don’t report it, I can’t fix it!

Installation

Upload the if-modified-since folder to the /wp-content/plugins/ directory
Activate the plugin through the ‘Plugins’ menu in WordPress
No need to configure, it just works!

Kwel-vrae

Do I need this when I already use a caching plugin like W3 Total Cache?: Some plugins like W3TC support the If-Modified-Since header, so there’s no need to install this plugin.
How do I know if the plugin works after installing?: You can test If Modified Since here

Aanbevelings

amityweb September 13, 2018 1 reply

This plugin caused our site to show blank pages often. The site would initially work, then after a reload it was completely blank. No errors or anything. The theme files failed to load, just completely blank. After investigation it turned out to be this plugin. Possibly broken due to be being so old. This description should scare you off anyway which I should guess what was happening to normal users: “If the requested page has not been modified since the time specified by a search engine spider, a 304 (not modified) response will be returned without any message-body”

Jayanta September 3, 2016

Yes, it works. thanks a lot, man. I have been trying to fix it for 3 hours now and your plugin has made it look so easy.

klinsky September 3, 2016

Simple and elegant script code. I checked – it stable works! The Author thanks!

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Contributors & Developers

“If Modified Since” is oopbron sagteware. Die volgende mense het bygedra tot die ontwikkeling van hierdie uitbreiding:

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Translate “If Modified Since” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

0.9

Beta release

Punte-toekennings

3.7 out of 5 stars.

Your review

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Breaks sites, empty blank pages for normal visitors

Deserves a 5 star

Great!