BugHerd vs Sentry

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

Top sites by authority

BugHerd · 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

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

United States 5,126

359,106

United Kingdom 1,718

105,998

India 1,611

86,387

Canada 1,760

84,660

Germany 879

77,287

France 934

75,293

Brazil 641

74,887

Japan 523

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 BugHerd sites · All Sentry sites