RSS vs SWC

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

Top sites by authority

RSS · SWC · 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

RSS · SWC · share of sites in each country using one or the other

United States 865,432

14,379

India 329,297

5,071

Germany 327,527

4,412

Japan 314,790

1,793

United Kingdom 281,660

6,077

France 271,657

4,236

Italy 272,529

2,770

Brazil 255,443

3,552

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 RSS sites · All SWC sites