Fly.io vs SiteGround

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

Top sites by authority

Fly.io · SiteGround · 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

Fly.io · SiteGround · share of sites in each country using one or the other

United States 2,015

69,433

Italy 381

27,640

United Kingdom 751

23,682

Spain 423

13,827

Canada 629

13,279

Australia 684

11,392

India 883

9,881

Mexico 376

7,389

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 Fly.io sites · All SiteGround sites