HubSpot vs Klaviyo

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

Top sites by authority

HubSpot · Klaviyo · 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

HubSpot · Klaviyo · share of sites in each country using one or the other

United States 97,649

94,562

United Kingdom 30,812

37,244

India 36,303

20,024

Canada 25,528

29,978

Australia 18,756

27,541

Germany 19,349

24,145

France 17,986

21,230

Spain 15,546

16,028

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 HubSpot sites · All Klaviyo sites