GTmetrix provides its services in two kinds, totally free accounts, and premium accounts. The crucial element distinctions during the paid out accounts are you receive access to the quality test areas and you can operate a lot more tests per week. Working with GTmetrix with PrestaShop is a typical practice https://addons.prestashop.com/fr/seo-referencement-naturel/91680-integration-automatique-des-services-ping.html