Glyphicons vs Google Font API

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

Top sites by authority

Glyphicons · Google Font API · 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

Glyphicons · Google Font API · share of sites in each country using one or the other

United States 4,089

1,502,923

India 1,943

616,138

Japan 1,048

483,655

United Kingdom 1,860

467,747

Brazil 1,715

443,460

France 1,997

437,883

Italy 1,442

373,040

Spain 1,769

351,619

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 Glyphicons sites · All Google Font API sites