Title: Last-Modified and If-Modified-Since Headers Author: zubovd Published: July 20, 2021 Last modified: July 20, 2021 --- Search plugins 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. ![](https://s.w.org/plugins/geopattern-icon/last-modified-and-if-modified-since- headers.svg) # Last-Modified and If-Modified-Since Headers By [zubovd](https://profiles.wordpress.org/zubovd/) [Download](https://downloads.wordpress.org/plugin/last-modified-and-if-modified-since-headers.zip) * [Details](https://wordpress.org/plugins/last-modified-and-if-modified-since-headers/#description) * [Reviews](https://wordpress.org/plugins/last-modified-and-if-modified-since-headers/#reviews) * [Installation](https://wordpress.org/plugins/last-modified-and-if-modified-since-headers/#installation) * [Development](https://wordpress.org/plugins/last-modified-and-if-modified-since-headers/#developers) [Support](https://wordpress.org/support/plugin/last-modified-and-if-modified-since-headers/) ## Description This plugin adds the ‘Last-Modified’ header to each post and returns the ‘304 Not Modified’ header to the client without a body in the response if he sent the ‘If- Modified-Since’ header and the post has not changed since that date. ## Installation 1. Upload ‘Last-Modified and If-Modified-Since Headers’ folder to the ‘plugins’ directory. 2. Activate the plugin through the ‘Plugins’ menu in WordPress. ## Reviews ![](https://secure.gravatar.com/avatar/2032bffea2902601ac993227822db41f25fa3204ffe37b4582ee670c91849a92? s=60&d=retro&r=g) ### 󠀁[Perfect Plugin](https://wordpress.org/support/topic/perfect-plugin-1168/)󠁿 [Sergei Ermilov](https://profiles.wordpress.org/sergeiermilov/) March 30, 2022 Best Plugin for correct Last-Modified and If-Modified-Since headers. Tried a bunch of plugins and only this plugin works correctly. Thank you so much for the plugin! ![](https://secure.gravatar.com/avatar/e5b7c7aa78046697534e2a45be3adfcac5b11be1fdf9dd0c66753e4ea945903f? s=60&d=retro&r=g) ### 󠀁[Классный плагин](https://wordpress.org/support/topic/%d0%ba%d0%bb%d0%b0%d1%81%d1%81%d0%bd%d1%8b%d0%b9-%d0%bf%d0%bb%d0%b0%d0%b3%d0%b8%d0%bd-49/)󠁿 [thelaser](https://profiles.wordpress.org/thelaser/) September 1, 2021 Реально работающий плагин. Без настроек. Поставил и забыл о нём. [ Read all 2 reviews ](https://wordpress.org/support/plugin/last-modified-and-if-modified-since-headers/reviews/) ## Contributors & Developers “Last-Modified and If-Modified-Since Headers” is open source software. The following people have contributed to this plugin. Contributors * [ zubovd ](https://profiles.wordpress.org/zubovd/) “Last-Modified and If-Modified-Since Headers” has been translated into 1 locale. Thank you to [the translators](https://translate.wordpress.org/projects/wp-plugins/last-modified-and-if-modified-since-headers/contributors) for their contributions. [Translate “Last-Modified and If-Modified-Since Headers” into your language.](https://translate.wordpress.org/projects/wp-plugins/last-modified-and-if-modified-since-headers) ### Interested in development? [Browse the code](https://plugins.trac.wordpress.org/browser/last-modified-and-if-modified-since-headers/), check out the [SVN repository](https://plugins.svn.wordpress.org/last-modified-and-if-modified-since-headers/), or subscribe to the [development log](https://plugins.trac.wordpress.org/log/last-modified-and-if-modified-since-headers/) by [RSS](https://plugins.trac.wordpress.org/log/last-modified-and-if-modified-since-headers/?limit=100&mode=stop_on_copy&format=rss). ## Meta * Version **1.0** * Last updated **5 years ago** * Active installations **200+** * WordPress version ** 5.2.4 or higher ** * Tested up to **5.7.15** * Languages * [English (US)](https://wordpress.org/plugins/last-modified-and-if-modified-since-headers/) and [Russian](https://ru.wordpress.org/plugins/last-modified-and-if-modified-since-headers/). * [Translate into your language](https://translate.wordpress.org/projects/wp-plugins/last-modified-and-if-modified-since-headers) * Tags * [headers](https://wordpress.org/plugins/tags/headers/)[if-modified-since](https://wordpress.org/plugins/tags/if-modified-since/) [last-modified](https://wordpress.org/plugins/tags/last-modified/) * [Advanced View](https://wordpress.org/plugins/last-modified-and-if-modified-since-headers/advanced/) ## Ratings 5 out of 5 stars. * [ 2 5-star reviews ](https://wordpress.org/support/plugin/last-modified-and-if-modified-since-headers/reviews/?filter=5) * [ 0 4-star reviews ](https://wordpress.org/support/plugin/last-modified-and-if-modified-since-headers/reviews/?filter=4) * [ 0 3-star reviews ](https://wordpress.org/support/plugin/last-modified-and-if-modified-since-headers/reviews/?filter=3) * [ 0 2-star reviews ](https://wordpress.org/support/plugin/last-modified-and-if-modified-since-headers/reviews/?filter=2) * [ 0 1-star reviews ](https://wordpress.org/support/plugin/last-modified-and-if-modified-since-headers/reviews/?filter=1) [Your review](https://wordpress.org/support/plugin/last-modified-and-if-modified-since-headers/reviews/#new-post) [See all reviews](https://wordpress.org/support/plugin/last-modified-and-if-modified-since-headers/reviews/) ## Contributors * [ zubovd ](https://profiles.wordpress.org/zubovd/) ## Support Got something to say? Need help? [View support forum](https://wordpress.org/support/plugin/last-modified-and-if-modified-since-headers/)