What is the A/B testing link rotator?A link rotator is a link that randomly redirects a user to different destinations. You can use the link rotator to rotate multiple links using short links.Our URL shortener offers this feature for free. Visit your Google Recaptcha account and click v3 Admin Console, select the Recaptcha type you created from the list. Click the setting button. Add your domain to the list of Domains. Click save.