Contact Form 7 vs Site Kit

Contact Form 7 is the more common of the two in our index: it runs on 961 websites against 726 for Site Kit, and 124 sites use both. Counts come from real scans, not vendor claims.

Contact Form 7: 961
Site Kit: 726

Contact Form 7

Contact Form 7 is an WordPress plugin which can manage multiple contact forms. The form supports Ajax-powered submitting, CAPTCHA, Akismet spam filtering.

Indexed sites: 961
Share of WordPress plugins: 15%

Well-known sites using it

All 961 sites

Site Kit

Site Kit is a one-stop solution for WordPress users to use everything Google has to offer to make them successful on the web.

Indexed sites: 726
Share of WordPress plugins: 11%

Well-known sites using it

oup.com1.188.0
cnet.com1.171.0
singular.net1.187.0
pccc.com1.188.0
conviva.com1.175.0
therapservices.net1.187.0

All 726 sites

Used together

124 sites run both Contact Form 7 and Site Kit. That is 17% of the sites using Site Kit, the smaller of the two.

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Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.