Petits programmes qui permettent d'ajouter de nouvelles fonctionnalités à votre navigateur et de personnaliser votre navigation. This add-on allows Form creators to automatically send email notifications when a form is submitted. It can be a heavy lift to get it set up for viewing websites that you routinely go to, but it puts you in direct control of what enters your platform, protecting you from dodgy websites and drive-by attacks. Photo by rawpixel on Unsplash. Add-ons should be tested thoroughly prior to publishing them to ensure they behave as intended.