Astra vs Blocksy

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

Top sites by authority

Astra · Blocksy · 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

Astra · Blocksy · share of sites in each country using one or the other

United States 53,034

5,958

India 39,679

3,685

Spain 21,219

1,817

Germany 17,293

2,767

France 16,546

2,832

Brazil 16,961

2,146

United Kingdom 16,069

2,137

Indonesia 14,339

2,428

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 Astra sites · All Blocksy sites