Fast Bundle vs Smile App

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

Top sites by authority

Fast Bundle · Smile App · 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

Fast Bundle · Smile App · share of sites in each country using one or the other

United States 3,358

13,022

United Kingdom 1,494

4,121

Canada 1,079

3,860

India 1,194

2,789

Australia 996

2,726

France 864

2,056

Germany 1,141

1,706

Spain 568

1,201

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 Fast Bundle sites · All Smile App sites