Noibu vs Sentry

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

Top sites by authority

Noibu · Sentry · 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

Noibu · Sentry · share of sites in each country using one or the other

United States 711

359,106

United Kingdom 534

105,998

India 530

86,387

Canada 608

84,660

Germany 381

77,287

France 403

75,293

Brazil 215

74,887

Japan 198

58,513

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 Noibu sites · All Sentry sites