Seal Subscriptions vs Vitals

Head-to-head usage across the sites we track.

Top sites by authority

Seal Subscriptions · Vitals · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.

By country

Seal Subscriptions · Vitals · share of sites in each country using one or the other

United States 5,290

3,333

United Kingdom 1,801

1,391

Canada 1,273

987

India 813

1,306

Australia 1,023

946

Germany 972

970

France 631

922

Spain 507

683

Audience countries from the Chrome UX Report, top markets of either technology.

Real user performance

Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.

Sites that switched

Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.

All Seal Subscriptions sites · All Vitals sites