ConvertKit vs MailChimp

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

Top sites by authority

ConvertKit · MailChimp · 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

ConvertKit · MailChimp · share of sites in each country using one or the other

United States 4,325

140,200

United Kingdom 1,714

64,810

Canada 1,756

41,963

India 1,392

40,362

Italy 457

33,400

Australia 1,207

31,343

Netherlands 601

31,497

Germany 786

31,060

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 ConvertKit sites · All MailChimp sites