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

Sites with LiteSpeed Cache performance optimization plugins pass all three Core Web Vitals most often: 75%, against 63% of all WordPress sites. The biggest gap is LCP, 83% against 70%.

Sites with FlyingPress performance optimization plugins have a good LCP most often: 83%, against 70% of all WordPress sites. Sites with Cloudflare APO optimization plugins have it least often, at 61%.

Sites with WP Fastest Cache performance optimization plugins have a good INP most often: 98%, against 97% of all WordPress sites. Sites with Cloudflare APO optimization plugins have it least often, at 93%.

Sites with Autoptimize performance optimization plugins have a good CLS most often: 92%, against 90% of all WordPress sites. Sites with NitroPack optimization plugins have it least often, at 88%.

WP Rocket is the most used: 28.9% of WordPress sites. LiteSpeed Cache is 27.6% of WordPress sites.

Across the four LCP sub-parts in Chrome's field data, the largest gap between FlyingPress and Cloudflare APO sits in time to first byte (TTFB): 541 ms median for FlyingPress against 1199 ms for Cloudflare APO. Overall median field LCP is 1.5s for FlyingPress (TTFB 541 ms, load delay 217 ms, load duration 194 ms, render delay 324 ms) versus 2.2s for Cloudflare APO.

Across the four LCP sub-parts in Chrome's field data, the largest gap between FlyingPress and Cloudflare APO sits in time to first byte (TTFB): 541 ms median for FlyingPress against 1199 ms for Cloudflare APO. Overall median field LCP is 1.5s for FlyingPress (TTFB 541 ms, load delay 217 ms, load duration 194 ms, render delay 324 ms) versus 2.2s for Cloudflare APO.

Across the four LCP sub-parts in Chrome's field data, the largest gap between FlyingPress and Cloudflare APO sits in time to first byte (TTFB): 541 ms median for FlyingPress against 1199 ms for Cloudflare APO. Overall median field LCP is 1.5s for FlyingPress (TTFB 541 ms, load delay 217 ms, load duration 194 ms, render delay 324 ms) versus 2.2s for Cloudflare APO.

Across the four LCP sub-parts in Chrome's field data, the largest gap between FlyingPress and Cloudflare APO sits in time to first byte (TTFB): 541 ms median for FlyingPress against 1199 ms for Cloudflare APO. Overall median field LCP is 1.5s for FlyingPress (TTFB 541 ms, load delay 217 ms, load duration 194 ms, render delay 324 ms) versus 2.2s for Cloudflare APO.

On jQuery, 29% of sites use WP Rocket performance optimization plugins, and 62% of jQuery sites pass all three Core Web Vitals, against 63% of all sites. On Vue, 45% of sites use WP Rocket, and 60% of Vue sites pass all three.

On jQuery, 29% of sites use WP Rocket performance optimization plugins, and 69% of jQuery sites have a good LCP, against 70% of all sites. On Vue, 45% of sites use WP Rocket, and 67% of Vue sites have a good LCP.

On jQuery, 29% of sites use WP Rocket performance optimization plugins, and 97% of jQuery sites have a good INP, against 97% of all sites. On Vue, 45% of sites use WP Rocket, and 95% of Vue sites have a good INP.

On jQuery, 29% of sites use WP Rocket performance optimization plugins, and 90% of jQuery sites have a good CLS, against 90% of all sites. On Vue, 45% of sites use WP Rocket, and 90% 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%63%

jQuery 14,381 sitesWP Rocket 29%LiteSpeed Cache 27%Autoptimize 25%WP Fastest Cache 14%62%

Vue 1,335 sitesWP Rocket 45%Autoptimize 24%WP Fastest Cache 15%60%

React 564 sitesWP Rocket 34%LiteSpeed Cache 27%Autoptimize 21%WP Fastest Cache 11%55%

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, 75% of sites with LiteSpeed Cache performance optimization plugins pass all three Core Web Vitals, against 68% of jQuery sites with WP Rocket. Within jQuery, sites with LiteSpeed Cache pass all three more often. On Vue, 72% of sites with LiteSpeed Cache performance optimization plugins pass all three Core Web Vitals, against 71% of Vue sites with WP Rocket. Within Vue, sites with LiteSpeed Cache and WP Rocket pass all three about equally often.

On jQuery, 84% of sites with FlyingPress performance optimization plugins have a good LCP, against 78% of jQuery sites with WP Rocket. Within jQuery, sites with FlyingPress and WP Rocket have a good LCP about equally often. On Vue, 81% of sites with WP Rocket performance optimization plugins have a good LCP, against 85% of Vue sites with LiteSpeed Cache. Within Vue, sites with WP Rocket and LiteSpeed Cache have a good LCP about equally often.

On jQuery, 98% of sites with WP Fastest Cache performance optimization plugins have a good INP, against 94% of jQuery sites with WP Rocket. Within jQuery, sites with WP Fastest Cache have a good INP more often. On Vue, 97% of sites with WP Fastest Cache performance optimization plugins have a good INP, against 92% of Vue sites with WP Rocket. Within Vue, sites with WP Fastest Cache and WP Rocket have a good INP about equally often.

On jQuery, 91% of sites with Autoptimize performance optimization plugins have a good CLS, against 89% of jQuery sites with WP Rocket. Within jQuery, sites with Autoptimize and WP Rocket have a good CLS about equally often. On Vue, 92% of sites with Autoptimize performance optimization plugins have a good CLS, against 92% of Vue sites with WP Rocket. Within Vue, sites with Autoptimize and WP Rocket have a good CLS about equally often.