a3 Lazy Load vs Contact Form 7

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

Top sites by authority

a3 Lazy Load · Contact Form 7 · 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

a3 Lazy Load · Contact Form 7 · share of sites in each country using one or the other

Japan 3,778

230,323

United States 3,571

208,161

India 1,751

131,722

Italy 1,301

124,689

Germany 2,500

109,816

Spain 1,700

103,856

France 1,692

101,458

United Kingdom 1,419

90,771

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 a3 Lazy Load sites · All Contact Form 7 sites