Prism vs PWA

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

Top sites by authority

Prism · PWA · 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

Prism · PWA · share of sites in each country using one or the other

United States 22,553

358,243

Germany 10,480

185,405

India 15,694

176,225

Brazil 8,927

181,749

United Kingdom 10,349

153,237

France 8,527

135,069

Italy 7,628

108,633

Canada 9,083

104,982

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 Prism sites · All PWA sites