APC Object Cache Backend
by Mark Jaquith · Performance
APC Object Cache provides a persistent memory-based backend for the WordPress object cache. APC must be available on your PHP install.
50 health vs 69 average across 532 Performance plugins
High removal-risk signals
63/100Maintenance 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 6+ years — the top precursor to removal once a vulnerability is found.
- Compatibility drift. Tested only up to WordPress 3.5.2, well behind 6.8.
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 2265 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
43
now · peak 189
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 · 1,381 observations
Details
Growth timeline
Install-band crossings we have observed, and how long each band took to outgrow
- 2025-07-25 20+ → 10+ down after 185 days in band
- 2025-01-21 30+ → 20+ down after 548 days in band
- 2023-07-23 40+ → 30+ down after 103 days in band
- 2023-04-11 30+ → 40+ up after 6 days in band
- 2023-04-05 40+ → 30+ down after 6 days in band
- 2023-03-30 30+ → 40+ up after 13 days in band
- 2023-03-17 40+ → 30+ down after 140 days in band
- 2022-10-28 50+ → 40+ down after 23 days in band
Competes with
The plugins that solve the same job, ranked by shared tags then reach — closest match first
-
Docket Cache – Object Cache Accelerator 20K+ installs · 4.7★ · 3 shared tags A -
SQLite Object Cache 10K+ installs · 4.8★ · 3 shared tags A -
WP Super Cache 1M+ installs · 4.3★ · 2 shared tags A -
WP Fastest Cache – WordPress Cache Plugin 1M+ installs · 4.9★ · 2 shared tags A -
Redis Object Cache 400K+ installs · 4.4★ · 2 shared tags A -
Breeze Cache 400K+ installs · 3.6★ · 2 shared tags B
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<iframe src="https://plugins.wpmayor.com/embed/apc" width="480" height="300" style="border:0" loading="lazy" title="APC Object Cache Backend — Plugin Pulse"></iframe> APC Object Cache Backend: 10+ active installs, 5.0★ (14 reviews). Plugin Pulse (WP Mayor), as of 2026-07-17. https://plugins.wpmayor.com/plugin/apc