Each And every license is valid for just one domain. If you'd like to install this module/topic on multiple web pages, please order multiple licenses. Established Frequency on the cart reminder mail by introducing several days and situations and then the reminder email will be sent to your customers for https://addons.prestashop.com/en/seo-prestashop-modules/91503-seo-gtmetrix-speed-test-api-integration.html