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 2,007

71,793

Italy 364

26,218

United Kingdom 737

23,905

Canada 620

13,455

Spain 412

12,968

Australia 685

11,821

India 869

10,331

Mexico 370

7,337

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 Fly.io sites · All SiteGround sites