Installation : Phase one: Upload the module zip file from the back-office Module & Services menu tab. Module Manager place using the upload button. After thriving installation module menu link will seem inside the remaining menu or the best menu from the back-office a lot more spot. Phase 2: Install https://addons.prestashop.com/en/seo-prestashop-modules/91503-seo-gtmetrix-speed-test-api-integration.html