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 12,830

316,827

United Kingdom 6,105

94,693

India 6,737

77,149

Canada 5,044

74,305

Brazil 5,036

72,498

Germany 4,931

69,458

France 3,998

66,242

Japan 2,294

51,207

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, Sep 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