OptinMonster vs Sendinblue

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

Top sites by authority

OptinMonster · Sendinblue · 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

OptinMonster · Sendinblue · share of sites in each country using one or the other

United States 9,806

19,918

France 1,797

25,958

Germany 1,964

14,883

United Kingdom 3,334

12,372

Italy 1,582

13,878

India 3,397

10,203

Spain 1,546

10,428

Canada 3,179

7,431

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 OptinMonster sites · All Sendinblue sites