Guides

Plain-English answers to the questions people ask before they put a visitor identification tag on their site.

Updated October 2026

What is website visitor identification?
Software that names the companies, and sometimes the people, visiting your website.
How website visitor identification works
The three ways tools turn a visit into a company or a person, and the limits of each.
Person-level vs company-level visitor identification
Which organisation visited vs who visited: coverage, accuracy, geography and law.
Is website visitor identification legal?
Company-level is broadly allowed. Person-level is mostly US only, with notice and opt-out.

See who is on your site this week.

One script tag, a couple of minutes. 7 days free, card required, cancel before it ends and you pay nothing.

Get 7 days free