Smile App vs Zipify OCU

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

Top sites by authority

Smile App · Zipify OCU · 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

Smile App · Zipify OCU · share of sites in each country using one or the other

United States 11,797

311

United Kingdom 3,763

111

Canada 3,449

114

Australia 2,463

88

India 2,463

67

France 1,853

61

Germany 1,613

70

Spain 1,136

43

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 Smile App sites · All Zipify OCU sites