Cloudflare Browser Insights vs CNZZ

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

Top sites by authority

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

United States 363,849

1,296

India 188,500

546

Brazil 164,789

380

Indonesia 156,320

473

United Kingdom 142,668

350

Canada 105,410

330

Germany 105,055

343

France 97,968

259

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, Oct 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 CNZZ sites