Best if-modified-since plugins for WordPress
The most popular if-modified-since plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. If Modified Since leads with 1K+ active installs, ahead of Last-Modified and If-Modified-Since Headers (200+). All 2 plugins tagged “if-modified-since” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
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Top 2 if-modified-since plugins
- 1.
If Modified SinceThe most installed if-modified-since plugin, with 1K+ active installs. Only 3 reviews so far, last updated 11 years ago. Tested only up to WordPress 4.2.39.
- 2.
Last-Modified and If-Modified-Since Headers200+ active installs. Only 2 reviews so far, last updated 5 years ago. Tested only up to WordPress 5.7.21.
All 2 plugins tagged “if-modified-since”
If Modified Since
Down in the last 7 days:7#6,689by ezraverheijen11 years ago
Comply with Webmaster Guidelines, save some bandwith and reduce server load with the If-Modified-Since header.
- Installs
- 1K+
- Rating
- 3.7(3)
- Downloads
- 11/day
Last-Modified and If-Modified-Since Headers
Up in the last 7 days:11#11,911by zubovd5 years ago
Add Last-Modified anв support If-Modified-Since Headers
- Installs
- 200+
- Rating
- 5.0(2)
- Downloads
- 0/day