I
by ezraverheijen 3.7 (3 reviews)

If Modified Since

Comply with Webmaster Guidelines, save some bandwith and reduce server load with the If-Modified-Since header.

If Modified Since ranks #6,691 among WordPress.org plugins with 1,000+ active installations, is #273 of 4,265 in the SEO & Marketing category, a 3.7/5 rating from 3 reviews, and was last updated Aug 17, 2015. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 4.2 (Current: 7.1.4)
v0.9 Current Version v0.9
Updated 11 years ago Last Update on 17 Aug, 2015
Refreshed 1 week ago Last Refreshed on
#273 of 4,265 in SEO & Marketing Top 10% by installs Downloads -18.4% this week No update in over a year
View on WordPress.org
Rank
#6,691
— No change
Active Installs
1K+
-14.3%
KW Avg Position
1
— No change
Downloads
6K
+4 today
Support Resolved
0%
— No change
Rating
74%
Review 3.7 out of 5
3.7 (3 reviews)

Next Milestone 2K

Total Progress 19.7%
1K+ 2K+
1,671
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
Pro

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Need 803 more installs to reach 2K+

Rank Changes

6,356 6,524 6,691 6,858 7,026 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
6,686 6,693 6,701 6,708 6,715 23-10-2026 24-10-2026 25-10-2026 26-10-2026 27-10-2026 28-10-2026 29-10-2026 30-10-2026 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
Current #6,691
Change
Best #

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Active Installs Growth

Active Installs 0,000,000+
Growth +0.0%
Peak 0,000,000

Downloads Growth

0 10 20 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
0 10 20 23-10-2026 24-10-2026 25-10-2026 26-10-2026 27-10-2026 28-10-2026 29-10-2026 30-10-2026 31-10-2026 01-11-2026 02-11-2026 03-11-2026 04-11-2026 05-11-2026 06-11-2026 07-11-2026
Downloads
Growth
Peak

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Reviews & Ratings

3.7
3 reviews
Overall 74%
5
2 (67%)
4
0 (0%)
3
0 (0%)
2
0 (0%)
1
1 (33%)

Security History

Source: WPVulnerability

No known vulnerabilities on record for If Modified Since. Checked 3 months ago.

TL;DR

AI summary of the plugin's readme

This plugin is for website administrators who want search engine crawlers to check pages efficiently. It solves unnecessary bandwidth and server load by using the If-Modified-Since header to tell spiders whether a page has changed since it was last crawled.

  • Sends If-Modified-Since header
  • Returns 304 not modified response
  • Reduces bandwidth usage
  • Reduces server load

Frequently Asked Questions

Common questions about If Modified Since

If Modified Since has 1,000+ active installations on the WordPress.org plugin directory.
If Modified Since holds a 3.7 out of 5 star rating based on 3 user reviews on WordPress.org.
If Modified Since is developed by ezraverheijen and published on the official WordPress.org plugin repository.
If Modified Since requires WordPress 3.5 or higher and is tested up to WordPress 4.2.
If Modified Since has been downloaded 6,002+ times from WordPress.org.
The latest version of If Modified Since is 0.9. It was last updated on August 17, 2015.
Yes. If Modified Since is a free WordPress plugin available to download and install from the WordPress.org plugin directory.

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