by Danila Vershinin 0 (0 reviews)

Cacheability

Name: Cacheability
Author: Danila Vershinin

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

Cacheability ranks #15,362 among WordPress.org plugins with 100+ active installations, is #813 of 4,512 in the Security category, and was last updated Aug 20, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 7.0.4 (Current: 7.1)

v2.2.0 Current Version v2.2.0

Updated 4 weeks ago Last Update on 20 Aug, 2026

Refreshed 10 hours ago Last Refreshed on

#813 of 4,512 in Security Top 25% by installs Downloads -27.5% this week Actively maintained

View on WordPress.org

Rank

#15,362

— No change

Active Installs

100+

-25.4%

KW Avg Position

93.5

— No change

Downloads

5.7K

+1 today

Support Resolved

— No change

Rating

Review 0 out of 5

0 (0 reviews)

Next Milestone 200

Total Progress 41%

100+ 200+

2,305

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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Rank Changes

Current #15,362

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

0.0

0 reviews

Overall 0%

0 (0%)

Security History

Source: WPVulnerability

No known vulnerabilities on record for Cacheability. Checked 1 month ago.

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Plugin Details

Version: 2.2.0
Last Updated: Aug 20, 2026
Requires WP: 5.0+
Tested Up To: 7.0.4
PHP Version: 7.0 or higher
Author: Danila Vershinin

Support & Rating

Rating: ☆ ☆ ☆ ☆ ☆ 0
Reviews: 0
Support Threads: 0
Resolved: 0%

Keywords

404 cache performance seo varnish

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TL;DR

AI summary of the plugin's readme

This plugin is for WordPress site owners who care about SEO and HTTP caching efficiency. It fixes incorrect 200 status codes on empty search, tag, category, and author pages, and adds cache headers so proxies and CDNs can cache pages effectively.

Soft 404 fix for empty searches
Soft 404 fix for tag archives
Soft 404 fix for category archives
Soft 404 fix for author archives
Smart Cache-Control headers
Cache warming (Pro)
Conditional GET 304 responses (Pro)
WP-CLI commands (Pro)

Frequently Asked Questions

Common questions about Cacheability

Yes! Cacheability works alongside any caching solution including WP Super Cache, W3 Total Cache, WP Rocket, Varnish, NGINX FastCGI cache, and CDNs like Cloudflare.

No. Cacheability adds minimal overhead — it just sets proper HTTP headers and status codes.

The free version fixes soft 404s and adds cache headers. Pro adds cache warming (automatically re-caches pages after purging), conditional GET responses (304), and ESI support for dynamic content.

For the free version, no. For Cacheability Pro's cache warming feature, we recommend Varnish HTTP Purge or similar purge plugin.

Return true from the cacheability_skip filter for that request. The plugin then gets out of the way and sets no Cache-Control, so a transactional template's own header() stays authoritative. This is deterministic regardless of PHP output buffering. Example for a payment-success page: add_filter( 'cacheability_skip', function ( $skip ) { return is_page( 'checkout-thank-you' ) ? true : $skip; } );