Is Varnish Working?
by Oliver Whysall · Performance
Test your wordpress url to see if it contains the Varnish Cache HTTP headers
41 health vs 72 average across 380 Performance plugins
Removal-risk signals
53/100Maintenance and integrity signals that tend to precede a WordPress.org removal. Not an official status, a heads-up to act.
- Long abandoned. No update in 5+ years — the top precursor to removal once a vulnerability is found.
- Falling behind WordPress. Tested up to WordPress 5.7.15.
Directory ranking optimization
How it's scored →How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.
Under-optimized
Biggest win: Update recency
To rank higher: Last updated 1844 days ago — ship an update; wp.org decays a listing's search weight after ~180 days.
Get the full rank-higher report →Daily downloads
Since 2022-10-05 · 1,381 days · wp.org + Plugin Pulse archive
30-day downloads
Rolling 30-day volume · peaks are release surges
28
now · peak 67
Directory rank vs rivals
wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you
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 “10+”. The real number sits in this band.
Refined from the date this plugin crossed into its current band.
Install history · since 2022-10-04 · 1,379 observations
Details
Growth timeline
Install-band crossings we have observed, and how long each band took to outgrow
- 2024-05-31 20+ → 10+ down after 2 days in band
- 2024-05-29 10+ → 20+ up after 3 days in band
- 2024-05-26 20+ → 10+ down after 70 days in band
- 2024-03-17 10+ → 20+ up after 224 days in band
- 2023-08-06 20+ → 10+ down after 49 days in band
- 2023-06-18 10+ → 20+ up after 97 days in band
- 2023-03-13 20+ → 10+ down after 16 days in band
- 2023-02-25 10+ → 20+ up after 3 days in band
Competes with
The plugins that solve the same job, ranked by shared tags then reach — closest match first
-
CLP Varnish Cache 10K+ installs · 4.3★ · 2 shared tags A -
Proxy Cache Purge 40K+ installs · 4.3★ · 1 shared tag A -
Purge Varnish Cache 1K+ installs · 4.4★ · 1 shared tag A -
Fastcache by Host.it 800+ installs · 4.1★ · 1 shared tag B -
Varnish/Nginx Proxy Caching 600+ installs · 4.4★ · 1 shared tag D
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<iframe src="https://plugins.wpmayor.com/embed/is-varnish-working" width="480" height="300" style="border:0" loading="lazy" title="Is Varnish Working? — Plugin Pulse"></iframe> Is Varnish Working?: 10+ active installs, 0.0★ (0 reviews). Plugin Pulse (WP Mayor), as of 2026-07-17. https://plugins.wpmayor.com/plugin/is-varnish-working