WordPress optimization plugins (WP Rocket, LiteSpeed, Autoptimize) and the Core Web Vitals

Sites with WP Fastest Cache performance optimization plugins pass all three Core Web Vitals most often: 66%, against 60% of all WordPress sites. The biggest gap is LCP, 83% against 76%.

Sites with WP Fastest Cache performance optimization plugins have a good LCP most often: 83%, against 76% of all WordPress sites. Sites with Cloudflare APO optimization plugins have it least often, at 67%.

Sites with Autoptimize performance optimization plugins have a good INP most often: 100%, against 100% of all WordPress sites. Sites with Cloudflare APO optimization plugins have it least often, at 99%.

Sites with W3 Total Cache performance optimization plugins have a good CLS most often: 79%, against 78% of all WordPress sites. Sites with Cloudflare APO optimization plugins have it least often, at 75%.

WP Rocket is the most used: 28.9% of WordPress sites. WP Fastest Cache is 13.6% of WordPress sites.

Across the four LCP sub-parts in Chrome's field data, the largest gap between WP Fastest Cache and Cloudflare APO sits in time to first byte (TTFB): 751 ms median for WP Fastest Cache against 1014 ms for Cloudflare APO. Overall median field LCP is 1.6s for WP Fastest Cache (TTFB 751 ms, load delay 307 ms, load duration 126 ms, render delay 217 ms) versus 2.0s for Cloudflare APO.

Across the four LCP sub-parts in Chrome's field data, the largest gap between WP Fastest Cache and Cloudflare APO sits in time to first byte (TTFB): 751 ms median for WP Fastest Cache against 1014 ms for Cloudflare APO. Overall median field LCP is 1.6s for WP Fastest Cache (TTFB 751 ms, load delay 307 ms, load duration 126 ms, render delay 217 ms) versus 2.0s for Cloudflare APO.

Across the four LCP sub-parts in Chrome's field data, the largest gap between WP Fastest Cache and Cloudflare APO sits in time to first byte (TTFB): 751 ms median for WP Fastest Cache against 1014 ms for Cloudflare APO. Overall median field LCP is 1.6s for WP Fastest Cache (TTFB 751 ms, load delay 307 ms, load duration 126 ms, render delay 217 ms) versus 2.0s for Cloudflare APO.

Across the four LCP sub-parts in Chrome's field data, the largest gap between WP Fastest Cache and Cloudflare APO sits in time to first byte (TTFB): 751 ms median for WP Fastest Cache against 1014 ms for Cloudflare APO. Overall median field LCP is 1.6s for WP Fastest Cache (TTFB 751 ms, load delay 307 ms, load duration 126 ms, render delay 217 ms) versus 2.0s for Cloudflare APO.

On jQuery, 29% of sites use WP Rocket performance optimization plugins, and 60% of jQuery sites pass all three Core Web Vitals, against 60% of all sites. On Vue, 45% of sites use WP Rocket, and 57% of Vue sites pass all three.

On jQuery, 29% of sites use WP Rocket performance optimization plugins, and 75% of jQuery sites have a good LCP, against 76% of all sites. On Vue, 45% of sites use WP Rocket, and 75% of Vue sites have a good LCP.

On jQuery, 29% of sites use WP Rocket performance optimization plugins, and 100% of jQuery sites have a good INP, against 100% of all sites. On Vue, 45% of sites use WP Rocket, and 99% of Vue sites have a good INP.

On jQuery, 29% of sites use WP Rocket performance optimization plugins, and 77% of jQuery sites have a good CLS, against 78% of all sites. On Vue, 45% of sites use WP Rocket, and 75% of Vue sites have a good CLS.

FrameworkPerformance optimization plugins on its sitesPass all three

WordPress sites with performance optimization plugins 14,818 sitesWP Rocket 29%LiteSpeed Cache 28%Autoptimize 25%WP Fastest Cache 14%60%

jQuery 14,381 sitesWP Rocket 29%LiteSpeed Cache 27%Autoptimize 25%WP Fastest Cache 14%60%

Vue 1,335 sitesWP Rocket 45%Autoptimize 24%WP Fastest Cache 15%57%

React 564 sitesWP Rocket 34%LiteSpeed Cache 27%Autoptimize 21%WP Fastest Cache 11%50%

WP Rocket LiteSpeed Cache Autoptimize WP Fastest Cache Cloudflare APO W3 Total Cache FlyingPress NitroPack

Does the framework explain the performance optimization plugins difference?

On jQuery, 65% of sites with WP Fastest Cache performance optimization plugins pass all three Core Web Vitals, against 61% of jQuery sites with WP Rocket. Within jQuery, sites with WP Fastest Cache and WP Rocket pass all three about equally often. On Vue, 65% of sites with WP Rocket performance optimization plugins pass all three Core Web Vitals, against 55% of Vue sites with Autoptimize. Within Vue, sites with WP Rocket and Autoptimize pass all three about equally often.

On jQuery, 83% of sites with WP Fastest Cache performance optimization plugins have a good LCP, against 79% of jQuery sites with WP Rocket. Within jQuery, sites with WP Fastest Cache and WP Rocket have a good LCP about equally often. On Vue, 82% of sites with WP Rocket performance optimization plugins have a good LCP, against 76% of Vue sites with LiteSpeed Cache. Within Vue, sites with WP Rocket and LiteSpeed Cache have a good LCP about equally often.

On jQuery, 100% of sites with Autoptimize performance optimization plugins have a good INP, against 100% of jQuery sites with WP Rocket. Within jQuery, sites with Autoptimize and WP Rocket have a good INP about equally often. On Vue, 100% of sites with Autoptimize performance optimization plugins have a good INP, against 100% of Vue sites with WP Rocket. Within Vue, sites with Autoptimize and WP Rocket have a good INP about equally often.

On jQuery, 79% of sites with W3 Total Cache performance optimization plugins have a good CLS, against 75% of jQuery sites with WP Rocket. Within jQuery, sites with W3 Total Cache and WP Rocket have a good CLS about equally often. On Vue, 74% of sites with WP Rocket performance optimization plugins have a good CLS, against 74% of Vue sites with LiteSpeed Cache. Within Vue, sites with WP Rocket and LiteSpeed Cache have a good CLS about equally often.