Open Graph vs Prefix-Free

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

Top sites by authority

Open Graph · Prefix-Free · 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

Open Graph · Prefix-Free · share of sites in each country using one or the other

United States 1,859,885

2,095

India 666,509

1,142

Germany 624,387

1,030

Japan 610,428

1,744

United Kingdom 596,006

893

Brazil 543,832

750

France 527,705

814

Italy 436,871

685

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 Open Graph sites · All Prefix-Free sites