by rapls 5 (2 reviews)

Prime Cache – Page Cache & Core Web Vitals (Zero Config)

Name: Prime Cache – Page Cache & Core Web Vitals (Zero Config)
Rating: 5.0 (2 reviews)
Author: rapls

Serves pages from a static copy, converts images to WebP, and defers the JavaScript that blocks rendering. No wp-config.php edits.

Prime Cache ranks #33,599 among WordPress.org plugins with 10+ active installations, is #908 of 1,518 in the Performance category, a 5/5 rating from 2 reviews, and was last updated Sep 15, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1

v1.10.59 Current Version v1.10.59

Updated 1 day ago Last Update on 15 Sep, 2026

Refreshed 10 hours ago Last Refreshed on

#908 of 1,518 in Performance Downloads +47.2% this week

View on WordPress.org

Rank

#33,599

— No change

Active Installs

10+

-16.7%

KW Avg Position

N/A

— No change

Downloads

1.5K

+30 today

Support Resolved

— No change

Rating

100%

Review 5 out of 5

5 (2 reviews)

Next Milestone 20

Total Progress 40%

10+ 20+

20,337

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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Rank Changes

Current #33,599

Change

Best #

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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

5.0

2 reviews

Overall 100%

2 (100%)

0 (0%)

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Plugin Details

Version: 1.10.59
Last Updated: Sep 15, 2026
Requires WP: 5.8+
Tested Up To: 7.1
PHP Version: 7.4 or higher
Author: rapls

Support & Rating

Rating: ★ ★ ★ ★ ★ 5
Reviews: 2
Support Threads: 0
Resolved: 0%

Keywords

cache core web vitals optimization page cache performance

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Frequently Asked Questions

Common questions about Prime Cache – Page Cache & Core Web Vitals (Zero Config)

WordPress 5.8+, PHP 7.4+. For WebP conversion, the GD or Imagick PHP extension is required.

No. Running multiple caching plugins causes conflicts. Prime Cache automatically detects and warns about 14 known caching plugins. Deactivate other caching plugins before using Prime Cache.

Yes. Page caching, file optimization, media optimization, and all PHP-based features work on any server. The .htaccess optimization feature is Apache-specific but can be disabled on Nginx.

Yes. WooCommerce cart, checkout, and account pages are automatically excluded from caching. Additional WooCommerce optimizations include disabling scripts on non-WC pages and disabling cart fragments AJAX.

Multiple ways: Admin bar menu (10+ options), Dashboard quick actions, WP-CLI commands (wp prime-cache flush), or automatic purge triggers.

Yes. Edit the post/page and check "Disable cache for this page" in the Prime Cache metabox in the sidebar.

The .htaccess fast-path serves cached pages without loading PHP for maximum speed. It requires: lowercase Host header, no query string (unless cache_query_strings is disabled), no Vary Cookies, ASCII-safe URL paths, and GET requests only. Requests that don't match these conditions are served via the PHP drop-in, which is still very fast but not zero-PHP.

Page caching is not supported on multisite installations. Other features (file optimization, lazy load, image optimization, etc.) work normally on multisite.

On upload (if auto-convert is enabled), JPG/PNG images are converted to WebP. All thumbnail sizes are also converted. WebP is served to supporting browsers via .htaccess rewrite rules, picture tags, or URL rewriting.

Start with page caching and basic file optimization. Test your site after each change. JavaScript defer and delay may affect some themes or plugins — test thoroughly.