Third-party provider count and the Core Web Vitals
How many distinct third-party services the page embeds.
35.9% of sites use 0 to 1 third-party providers third-party provider count, and 74% of those sites pass all three Core Web Vitals, against 71% of all sites.
35.9% of sites use 0 to 1 third-party providers third-party provider count, and 87% of those sites have a good LCP, against 82% of all sites.
27.6% of sites use 5 to 8 third-party providers third-party provider count, and 96% of those sites have a good INP, against 95% of all sites.
35.9% of sites use 0 to 1 third-party providers third-party provider count, and 90% of those sites have a good CLS, against 88% of all sites.
Core Web Vitals pass rate
Sites with 0 to 1 third-party providers third-party provider count pass all three Core Web Vitals most often: 74%, against 71% of all sites. The biggest gap is LCP, 87% against 82%.
Sites with 0 to 1 third-party providers third-party provider count have a good LCP most often: 87%, against 82% of all sites. Sites with 9+ third-party providers provider count have it least often, at 77%.
Sites with 5 to 8 third-party providers third-party provider count have a good INP most often: 96%, against 95% of all sites. Sites with 9+ third-party providers provider count have it least often, at 93%.
Sites with 0 to 1 third-party providers third-party provider count have a good CLS most often: 90%, against 88% of all sites. Sites with 9+ third-party providers provider count have it least often, at 84%.
Third-party provider count usage
0 to 1 third-party providers is the most used: 35.9% of sites.
How third-party provider count plays out per platform
What the field data shows when you isolate a single CMS or framework.
WordPress 65,939 sites WordPress sites with 9+ third-party providers (12.5%) pass all three CWV at 54% vs 71% with 0 to 1 providers.
Across 65,939 WordPress sites, 24.5% load 0 to 1 external providers (71% passing all three CWV), 28.3% load 2 to 4 (65%), 34.7% load 5 to 8 (60%), and 12.5% load 9+ providers (54%).
Shopify 8,634 stores 44.6% of Shopify stores load 9+ third-party providers (82% CWV pass rate vs 96% at 2 to 4 providers).
Across Shopify storefronts, 25.9% load 2 to 4 external providers (96% all-three CWV pass rate), 29.5% load 5 to 8 (90%), and 44.6% load 9 or more providers (82%, 14 percentage points apart).
React & Next.js 9,658 sites React & Next.js sites with 9+ third-party providers (7.6%) pass all three CWV at 53% vs 87% at 0 to 1 providers (34 points apart).
Across 9,658 React sites, 43.1% load 0 to 1 external providers (87% passing all three CWV), 23.3% load 2 to 4 (75%), 26.0% load 5 to 8 (68%), and 7.6% load 9+ providers (53%).
By Arjen Karel · 212,308 crawled sites (197,524 with all devices Chrome field data, October 2026). How we measured.