web-vitals

About

Tiny JavaScript library for measuring Core Web Vitals (LCP, FID, CLS, INP, TTFB) and other performance metrics. Used by RUM providers, analytics platforms, and DevTools.

Sovereignty Score

out of 100

Data completeness32% (Minimal)

Score relies on pessimistic defaults for missing fields

Jurisdictional(25%)

Significant foreign legal exposure risk

Jurisdiction: United States (EU adequacy decision)
Parent provider in United States (CLOUD Act risk) (Alphabet Inc.)
Five Eyes intelligence alliance exposure
US CLOUD Act applies (US can compel data access regardless of storage location)

Ownership(20%)

Significant foreign ownership or control risk

Public company (US exchange)
Publicly traded
Acquisition risk unknown (assumed high) (Submit verified data to improve this score)

Governance(20%)

Centralized control, limited community governance

Single company controls roadmap
Entity control data unknown (assumed >80% single entity) (Submit verified data to improve this score)

Portability(15%)

Some portability options available

SaaS only (no self-host option)

License(10%)

True open source with stable, permissive licensing

Permissive open source
SaaS service (license stability not tracked)

Community(10%)

Limited community health data or concerning indicators

Bus factor unknown (assumed worst case: 1) (Submit verified data to improve this score)
Project is healthy
Release frequency unknown (assumed stale) (Submit verified data to improve this score)
Issue response time unknown (assumed >30 days) (Submit verified data to improve this score)
8.4K GitHub stars

How missing data affects scores Submit data corrections

Provider

Google LLC

Quick Facts

Jurisdiction: United States
Ownership: Public (US)
Deployment: SaaS