Bootstrap vs MUI

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

Top sites by authority

Bootstrap · MUI · 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

Bootstrap · MUI · share of sites in each country using one or the other

United States 886,770

41,288

India 429,293

19,155

Germany 322,762

12,600

United Kingdom 295,976

13,617

France 279,130

11,946

Brazil 273,285

13,216

Italy 251,088

8,304

Canada 202,018

12,113

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 Bootstrap sites · All MUI sites