It generates scores for our internet pages and delivers Pagespeed and Winslow. It's really a free of charge Software that we have found for use to receive comprehensive reviews about site overall performance. It results in scores with the internet pages and also presents tips to repair them GTmetrix is https://addons.prestashop.com/fr/seo-referencement-naturel/91680-integration-automatique-des-services-ping.html