PluginScout

Cacheability — WordPress 404 Error Plugin

by Danila Vershinin · WordPress.org page · Website

v2.2.0 Tested up to WP 7.0.4 PHP 7.0+

Cacheability has 100+ active installs on WordPress.org and 5,625 downloads all time. We have tracked it since September 4, 2026; download trends appear after 30 days of data. The last update was on August 20, 2026, tested up to WordPress 7.0.4.

Cacheability at a glance

Active installs
100+
Total downloads
5,625
Downloads, last 30 days
available after 30 days of tracking
30-day growth
tracking since September 4, 2026

Is Cacheability well maintained?

Support threads resolved
No open threads
nothing waiting on the WordPress.org forum
WordPress compatibility
Behind
tested up to WordPress 7.0.4, not yet with the current 7.1

Features

The feature list from the plugin's own readme on WordPress.org, trimmed to the essentials.

  • Cache Warming — Automatically warm pages after purging so visitors never hit cold cache
  • Conditional GET (304) — Return 304 Not Modified for unchanged content, saving bandwidth
  • ESI Support — Cache pages with dynamic nonces (comments, login forms)
  • Rate-Limit Safe — Smart request queuing to avoid 429 errors
  • Sitemap Warming — Warm all pages from sitemap after full purge
  • WP-CLI Commands — wp cacheability warm and more
  • Priority Support — Get help when you need it

Where Cacheability ranks on WordPress.org

The rankings we track that Cacheability appears in, and how its position changed over 30 days.

Ranking WordPress.org placement Position 30 days
Best 404 Error Plugins #34 by tag, not in search #57

Details

HTTP optimization for WordPress. Fixes soft 404 errors and adds smart cache headers.

The full description, screenshots and every review live on the WordPress.org page.

Rankings Cacheability competes in

Tags

  • 404
  • cache
  • performance
  • seo
  • varnish

More from Danila Vershinin

Version
2.2.0
Last updated
Aug 20, 2026
First published
Apr 8, 2022
Requires WordPress
5.0
Tested up to
7.0.4
Requires PHP
7.0
Pricing
Free on WordPress.org

Cacheability FAQ

What does Cacheability do?

According to its WordPress.org readme, Cacheability offers Cache Warming — Automatically warm pages after purging so visitors never hit cold cache, Conditional GET (304) — Return 304 Not Modified for unchanged content, saving bandwidth, ESI Support — Cache pages with dynamic nonces (comments, login forms), Rate-Limit Safe — Smart request queuing to avoid 429 errors and Sitemap Warming — Warm all pages from sitemap after full purge.

How many active installs does Cacheability have?

WordPress.org reports 100+ active installs for Cacheability as of September 7, 2026.

Is Cacheability still maintained?

Yes. The last release was on August 20, 2026 and it is tested up to WordPress 7.0.4.

Is Cacheability free?

Cacheability is free to install from WordPress.org. Many plugins also sell a paid version or add-ons.

Where does Cacheability rank among 404 Error Plugins?

Cacheability is #57 in the WordPress.org 404 Error Plugins ranking.