If Modified Since
by ezraverheijen · SEO
Comply with Webmaster Guidelines, save some bandwith and reduce server load with the If-Modified-Since header.
Daily downloads
Since 2022-10-05 · 1,379 days · wp.org + Plugin Pulse archive
30-day downloads
Trailing 30-day total · the growth curve wp.org stopped showing
Directory rank
Popularity rank over time · lower is better
Downloads per 1k installs · 30d
Engagement proxy · release spikes are signal, a long slide is an aging base
Estimated active installs
wp.org reports only “1K+”. The real number sits in this band.
Refined from the date this plugin crossed into its current band.
At the current install trend, crossing 2K+ in roughly 1125 days.
Install trend · reconstructed from 1377 daily snapshots
Details
Growth timeline
Install-band crossings we have observed, and how long each band took to outgrow
- 2026-05-30 900+ → 1K+ up after 2 days in band
- 2026-05-28 1K+ → 900+ down after 11 days in band
- 2026-05-17 900+ → 1K+ up after 1 days in band
- 2026-05-16 1K+ → 900+ down after 25 days in band
- 2026-04-21 900+ → 1K+ up after 38 days in band
- 2026-03-14 800+ → 900+ up after 1 days in band
- 2026-03-13 900+ → 800+ down after 4 days in band
- 2026-03-09 800+ → 900+ up after 2 days in band
Embed this report card
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<iframe src="https://plugins.wpmayor.com/embed/if-modified-since" width="480" height="300" style="border:0" loading="lazy" title="If Modified Since — Plugin Pulse"></iframe> If Modified Since: 1K+ active installs, 3.7★ (3 reviews). Plugin Pulse (WP Mayor), as of 2026-07-15. https://plugins.wpmayor.com/plugin/if-modified-since