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: 99%, against 98% of all WordPress sites. Sites with over 50% third-party requests third-party share have it least often, at 96%.

Sites with 25% to 50% third-party requests third-party request share have a good LCP most often: 74%, against 70% of all WordPress sites. Sites with under 10% third-party requests third-party share have it least often, at 70%.

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 97% of Vue sites have a good INP, against 98% of all sites.

Vue sets the third-party request share to under 10% third-party requests on 64% of its sites, and 68% 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%98%

React 2,233 sitesUnder 10% third-party requests 54%10% to 25% third-party requests 31%25% to 50% third-party requests 12%98%

jQuery 60,314 sitesUnder 10% third-party requests 51%10% to 25% third-party requests 34%25% to 50% third-party requests 12%98%

Vue 4,844 sitesUnder 10% third-party requests 64%10% to 25% third-party requests 27%97%

Alpine 380 sites10% to 25% third-party requests 42%25% to 50% third-party requests 28%Under 10% third-party requests 23%95%

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, 99% of sites with under 10% third-party requests third-party request share have a good INP, against 98% 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, 98% of sites with under 10% third-party requests third-party request share have a good INP, against 96% 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, 73% of sites with 25% to 50% third-party requests third-party request share have a good LCP, against 69% of jQuery sites with under 10% third-party requests. Within jQuery, sites with 25% to 50% third-party requests have a good LCP more often. On Vue, 75% of sites with 25% to 50% third-party requests third-party request share have a good LCP, against 66% of Vue sites with under 10% third-party requests. Within Vue, sites with 25% to 50% third-party requests have a good LCP more 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 99% and 98% (85ms and 87ms median). When third parties account for 25% to 50% of requests (12.1%), good INP drops to 97% (88ms median), while the 3.1% over 50% sit at 96% good INP (87ms median).