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 2,082,596

2,475

India 726,293

1,315

Japan 698,120

2,082

Germany 697,460

1,184

United Kingdom 666,057

1,041

France 606,133

976

Brazil 559,555

835

Italy 476,056

782

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 Open Graph sites · All Prefix-Free sites