WordPress third-party request share and the Core Web Vitals

Sites with under 10% third-party requests third-party request share have a good INP most often: 98%, against 97% of all WordPress sites. Sites with over 50% third-party requests third-party share have it least often, at 94%.

Sites with over 50% third-party requests third-party request share have a good LCP most often: 73%, against 70% of all WordPress sites. Sites with under 10% third-party requests third-party share have it least often, at 69%.

Under 10% third-party requests is the most used: 51.2% of WordPress sites.

Vue sets the third-party request share to under 10% third-party requests on 64% of its sites, and 95% of Vue sites have a good INP, against 97% of all sites.

Vue sets the third-party request share to under 10% third-party requests on 64% of its sites, and 67% of Vue sites have a good LCP, against 70% of all sites.

FrameworkThird-party request share on its sitesGood INP

All WordPress sites 63,295 sitesUnder 10% third-party requests 51%10% to 25% third-party requests 34%25% to 50% third-party requests 12%97%

jQuery 60,314 sitesUnder 10% third-party requests 51%10% to 25% third-party requests 34%25% to 50% third-party requests 12%97%

React 2,233 sitesUnder 10% third-party requests 54%10% to 25% third-party requests 31%25% to 50% third-party requests 12%96%

Vue 4,844 sitesUnder 10% third-party requests 64%10% to 25% third-party requests 27%95%

Alpine 380 sites10% to 25% third-party requests 42%25% to 50% third-party requests 28%Under 10% third-party requests 23%88%

Under 10% third-party requests 10% to 25% third-party requests 25% to 50% third-party requests Over 50% third-party requests

Does the framework explain the third-party request share difference?

On jQuery, 98% of sites with under 10% third-party requests third-party request share have a good INP, against 96% of jQuery sites with 10% to 25% third-party requests. Within jQuery, sites with under 10% third-party requests have a good INP more often. On Vue, 97% of sites with under 10% third-party requests third-party request share have a good INP, against 94% of Vue sites with 10% to 25% third-party requests. Within Vue, sites with under 10% third-party requests have a good INP more often.

On jQuery, 72% of sites with over 50% third-party requests third-party request share have a good LCP, against 68% of jQuery sites with under 10% third-party requests. Within jQuery, sites with over 50% third-party requests have a good LCP more often. On Vue, 65% of sites with over 50% third-party requests third-party request share have a good LCP, against 65% of Vue sites with under 10% third-party requests. Within Vue, sites with over 50% third-party requests and under 10% third-party requests have a good LCP about equally often.

How external request share shapes main-thread contention and INP

Third-party request share measures the fraction of page requests served from external origins. Across 32,405 sites (51.2%) keeping third-party traffic under 10% and 21,262 sites (33.6%) between 10% and 25%, good INP reaches 98% and 96% (94ms and 100ms median). When third parties account for 25% to 50% of requests (12.1%), good INP drops to 95% (104ms median), while the 3.1% over 50% sit at 94% good INP (103ms median).