Cloudflare Browser Insights vs Quantcast Measure

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

Top sites by authority

Cloudflare Browser Insights · Quantcast Measure · 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

Cloudflare Browser Insights · Quantcast Measure · share of sites in each country using one or the other

United States 382,567

24,520

India 200,487

8,800

Brazil 176,969

5,136

Indonesia 173,937

5,196

United Kingdom 152,644

9,734

Canada 115,246

9,792

Germany 112,728

7,220

France 111,509

7,383

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, Jun 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 Cloudflare Browser Insights sites · All Quantcast Measure sites