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Plugin Output Cache

by RobMarsh · Performance

Also makes 5 other plugins · 2.2K+ installs across the portfolio →

Plugin Output Cache can be used by other plugins to cache portions of their output for efficiency.

⚠ Stale⚠ Likely abandoned⚠ Few reviews
How scoring works →
41 Health · D
Maintenance 3/100
Rating quality 65/100
Support 70/100

41 health vs 67 average across 1,076 Performance plugins

High removal-risk signals

63/100

Maintenance 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 17+ years — the top precursor to removal once a vulnerability is found.
  • Compatibility drift. Tested only up to WordPress 2.6.2, 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.

32 / 100

Under-optimized

Biggest win: Update recency

Update recency 0/100
WP compatibility 1/100
Rating quality 49/100
Listing tuning 84/100

To rank higher: Last updated 6551 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 · 1,426 days · wp.org + Plugin Pulse archive

+64% vs prior 30d
0Downloads · Aug 26

30-day downloads

Rolling 30-day volume · peaks are release surges

41

now · peak 84

4130d downloads · Aug 26

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

Plugin Output Cache · #24944 you Jetpack Boost · #245 10Web Booster · #590 A2 Optimized WP · #656

Update activity

How busy the existing users are, measured as downloads in the last 30 days for every 1,000 active sites. A spike means a new release everyone's pulling; a long, slow decline means an aging user base that updates less.

2Kper 1k installs · Aug 26

Release cadence

No release in a year
from wp.org release tags

How often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.

0

releases in the last 12 months

17.9y ago

latest release · v4.0.8

5

tagged releases on record

Recent releases

4.0.8 · 17.9y ago4.0.7 · 18.0y ago4.0.6 · 18.3y ago4.0.5 · 18.3y ago4.0.0 · 18.5y ago

What its installed base runs

via wordpress.org

Share of active installs on each version of this plugin · 100% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.

v4.0 100%

Estimated active installs

The public count shows “20+”. Our estimate pins where the real number sits.

tracked estimate
20–30 ≈27

Refined from the date this plugin crossed into its current band.

Install history · since 2015-09-27 · 1,385 observations

20Installs · Aug 26

Estimated value

What this plugin might earn a year, and what it might sell for. Modeled from public signals; we don't see anyone's books.

Est. annual revenue

N/A

Est. acquisition value

N/A

No paid tier is visible, so we don't put a figure on revenue or sale value: that would be guessing. The install base is a real asset to an acquirer, just not one public data lets us price. A small install base leaves thin data to model from.

Details

Version
4.0.8
Last updated
17.9y ago
Added
2008-03-17 · 18 yrs old
Requires WP
1.5
Tested up to
2.6.2
Requires PHP

Behavioral tests

via WP Hive

Automated install-time checks, tested on PHP 7.2.16 · WP 5.2.4

Low memory footprint
Low page-speed impact
Runs on latest PHP + WP
No PHP errors
No JS errors
Activates cleanly
No resource errors
No external HTTP errors
Optimized database use
Frequently updated

Growth timeline

Install-tier crossings we have observed, and how long each tier took to outgrow

  1. 2026-04-26 30+ → 20+ down after 461 days in tier
  2. 2025-01-20 40+ → 30+ down after 24 days in tier
  3. 2024-12-27 30+ → 40+ up after 18 days in tier
  4. 2024-12-09 40+ → 30+ down after 491 days in tier
  5. 2023-08-06 50+ → 40+ down after 217 days in tier
  6. 2023-01-01 60+ → 50+ down after 12 days in tier
  7. 2022-12-20 50+ → 60+ up

Competes with

The plugins that solve the same job, ranked by shared tags then reach, closest match first. The letter on the right is each plugin's health grade (A best, F worst).

Compare head to head →

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Preview card ↗

Plugin Output Cache: 20+ active installs, 0.0★ (0 reviews). Plugin Pulse (WP Mayor), as of 2026-08-31. https://plugins.wpmayor.com/plugin/plugin-output-cache