MailChimp vs Omnisend

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

Top sites by authority

MailChimp · Omnisend · 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

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

United States 142,004

15,027

United Kingdom 65,019

5,693

Canada 42,102

4,027

India 41,567

3,462

Australia 32,722

3,429

Germany 31,989

3,172

Italy 31,919

2,328

France 31,178

2,919

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 MailChimp sites · All Omnisend sites