MailChimp vs Postscript

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

Top sites by authority

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

United States 140,200

5,115

United Kingdom 64,810

1,009

Canada 41,963

1,402

India 40,362

833

Italy 33,400

311

Australia 31,343

743

Netherlands 31,497

293

Spain 31,220

323

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 MailChimp sites · All Postscript sites