Contact Form 7 vs WPMU DEV Smush

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

Top sites by authority

Contact Form 7 · WPMU DEV Smush · 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 · WPMU DEV Smush · share of sites in each country using one or the other

Japan 199,815

1,946

United States 181,373

18,662

India 113,364

7,461

Italy 105,059

4,089

Germany 97,345

4,617

Spain 87,110

5,998

France 82,899

4,588

United Kingdom 78,201

6,662

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 Contact Form 7 sites · All WPMU DEV Smush sites