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 4,428

323,523

United Kingdom 1,385

95,135

India 1,257

78,278

Canada 1,379

75,350

Brazil 483

73,076

Germany 664

70,758

France 636

65,757

Japan 368

51,705

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, Aug 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