CallRail vs Site Kit

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

80,388
websites
vs
2,868,024
websites

Top sites by authority

CallRail · Site Kit · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank 9+ 5 36
Open Page Rank 8+ 34 649
Open Page Rank 7+ 99 2,698
Open Page Rank 6+ 252 5,893
Open Page Rank 5+ 503 12,351

Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.

By country

CallRail · Site Kit · share of sites in each country using one or the other

United States 44,317 215,676
India 2,834 110,602
Japan 182 82,773
Brazil 390 80,295
France 699 74,632
United Kingdom 1,782 72,179
Spain 382 67,753
Italy 221 63,679

Audience countries from the Chrome UX Report, top markets of either technology.

Real user performance

Metric CallRail Site Kit
LCP 2 s 2.4 s
INP 50 ms 75 ms
CLS 0 0
TTFB 1000 ms 1300 ms

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 CallRail sites · All Site Kit sites

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