Mailgun vs SparkPost

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

Top sites by authority

Mailgun · SparkPost · 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

Mailgun · SparkPost · share of sites in each country using one or the other

United States 88,542

6,224

United Kingdom 36,088

2,983

Canada 28,317

2,263

India 27,650

2,180

Germany 21,441

2,072

France 20,584

1,943

Australia 20,734

1,492

Netherlands 18,415

1,868

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 Mailgun sites · All SparkPost sites