What is the "Too many third-party requests" check?

P3 · LowPerformance

Too many third-party requests

Page makes over 20 script requests to third-party domains

Code: too_many_third_party_requests

Why it matters

Page makes over 20 script requests to third-party domains. Slow experiences increase bounce rates and hurt Core Web Vitals scores. Google uses these metrics as a direct ranking signal.

Related checks in Performance

Slow First Contentful Paint

FCP exceeds 3 seconds

FCP needs improvement

FCP between 1.8-3 seconds

Slow Largest Contentful Paint

LCP exceeds 4 seconds

LCP needs improvement

LCP between 2.5-4 seconds

Poor Cumulative Layout Shift

CLS exceeds 0.25

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