Burst vs Site Kit

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

48,700
websites
vs
3,022,552
websites

Top sites by authority

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

Open Page Rank 9+ 1 38
Open Page Rank 8+ 27 649
Open Page Rank 7+ 63 2,684
Open Page Rank 6+ 104 5,882
Open Page Rank 5+ 154 12,397

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

By country

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

United States 1,263 188,804
India 642 91,772
Japan 476 73,383
Brazil 1,083 68,562
United Kingdom 530 63,200
Spain 792 61,929
France 1,081 60,827
Italy 776 56,615

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

Real user performance

Metric Burst Site Kit
LCP 2.4 s 2.4 s
INP 75 ms 75 ms
CLS 0 0
TTFB 1300 ms 1300 ms

Median site's p75 values from the Chrome UX Report, Oct 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 Burst sites · All Site Kit sites

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018