Stage one: Add the module zip file from the back again-Business Module & Services menu tab. Module Supervisor area using the add button. Once the prosperous set up module menu, the connection will surface within the left menu or top rated menu during the again-Business office spot. schema information with https://www.presta-addons-modules.com/en/seo/prestashop-gtmetrix-speed-test-api-integration-module.html