Offline Shell

by David Walsh · Performance

Offline Shell is a WordPress plugin which utilizes the client side [ServiceWorker API](https://developer.mozilla.org/en-US/docs/Web/API/Service_Worker …

⚠ Stale⚠ Likely abandoned⚠ Few reviews

How scoring works →

41 Health · D

Maintenance 3/100

Rating quality 65/100

Support 70/100

41 health vs 68 average across 594 Performance plugins

10+

Active installs

≈19 estimated

3.6K

Total downloads

since 2016

3.60★

Rating (adjusted)

0.0★ raw · 0 reviews

-50%

Downloads · 30d

trailing 30 days

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 10+ years — the top precursor to removal once a vulnerability is found.
Compatibility drift. Tested only up to WordPress 4.4.34, 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 5/100

Rating quality 49/100

Listing tuning 84/100

To rank higher: Last updated 3777 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 2022-10-08 · 1,378 days · wp.org + Plugin Pulse archive

-50% vs prior 30d

Oct 22

Jul 26

30-day downloads

Rolling 30-day volume · peaks are release surges

now · peak 193

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

Offline Shell · #43321 WP Super Cache · #37 WP Fastest Cache · #49 Breeze Cache · #155

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.

tracked estimate

10–20 ≈19

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

Install history · since 2022-10-07 · 1,376 observations

Ratings · 0 reviews

Details

Version: 0.4.0
Last updated: 10.3y ago
Added: 2016-03-09 · 10 yrs on WP
Requires WP: 3.0.1
Tested up to: 4.4.34
Requires PHP: —

Changelog ↗Support forum ↗Reviews ↗Advanced stats ↗

Growth timeline

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

2023-07-09 20+ → 10+ down

Competes with

The plugins that solve the same job, ranked by shared tags then reach — closest match first

Compare head to head →

Embed this report card

Drop a live Pulse card for Offline Shell into a readme, a review or a deck. It updates itself.

<iframe src="https://plugins.wpmayor.com/embed/offline-shell" width="480" height="300" style="border:0" loading="lazy" title="Offline Shell — Plugin Pulse"></iframe>

Preview card ↗

Offline Shell: 10+ active installs, 0.0★ (0 reviews). Plugin Pulse (WP Mayor), as of 2026-07-17. https://plugins.wpmayor.com/plugin/offline-shell