Step 1: Add the module zip file from the back-Place of work Module & Services menu tab. Module Manager spot using the upload button. Following the successful set up module menu, the website link will look in the left menu or best menu in the back again-Business area. Precisely the https://www.presta-addons-modules.com/en/seo/prestashop-gtmetrix-speed-test-api-integration-module.html