Contact Form 7 vs Optimization Detective

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

Top sites by authority

Contact Form 7 · Optimization Detective · 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

Contact Form 7 · Optimization Detective · share of sites in each country using one or the other

Japan 197,898

611

United States 175,528

3,105

Italy 111,987

856

India 110,511

1,451

Germany 95,287

1,081

Spain 93,888

833

France 85,028

1,024

United Kingdom 77,359

1,253

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 Contact Form 7 sites · All Optimization Detective sites