Cloudflare Network Error Logging vs Sentry

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

Detections for Cloudflare Network Error Logging end in Nov 2022. The fingerprint catalog behind our crawls no longer carries that technology as its own entry, usually because it was retired or split into more specific ones, so its figure is the last recorded and is not directly comparable with a currently tracked technology.

Top sites by authority

Cloudflare Network Error Logging · 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

Cloudflare Network Error Logging · Sentry · share of sites in each country using one or the other

United States 13,129

323,523

United Kingdom 6,299

95,135

India 6,812

78,278

Canada 5,110

75,350

Brazil 5,101

73,076

Germany 5,035

70,758

France 4,091

65,757

Australia 3,504

50,592

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 Cloudflare Network Error Logging sites · All Sentry sites