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 887,410

14,692

India 336,391

5,161

Germany 333,621

4,498

Japan 319,148

1,812

United Kingdom 282,220

6,111

France 267,086

4,201

Brazil 265,509

3,678

Italy 258,995

2,710

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, Aug 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