Constant Contact vs MailChimp

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

Top sites by authority

Constant Contact · 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

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

United States 26,811

161,030

United Kingdom 1,472

74,844

Canada 3,324

48,970

India 1,648

47,917

France 532

37,876

Australia 758

37,236

Italy 421

37,051

Germany 532

36,354

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, 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 Constant Contact sites · All MailChimp sites