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| Why do I have to click again to confirm I want to unsubscribe from the newsletter? |
While we could make it so that clicking the link in your email would immediately unsubscribe you, it would be in violation of internet standards. Plus précisément, la définition de la méthode GET du protocole HTTP ____ ____ qui stipule ce qui suit :
Les demandes GET ne doivent récupérer que des données et n'avoir aucun autre effet.
wikipedia.org/wiki/HTTP#HTTP/1.1_request_messages
Une demande GET __ est ce qui se passe lorsque tu suis un lien. Merely following a link should not make any changes (like unsubscribing you from a newsletter).
For example, when you receive an email, your email client may preload the links in it in the background. So that they are quicker to load should you click on them.
Obviously, this preloading should not unsubscribe you. Which is why you need to click a button to confirm. Because that will trigger a POST request and those can make changes.
This does not apply to users unsubscribing through their account
None of this applies to users who unsubscribe from our newsletter by disabling the option in their account. In this case, you are already clicking a button, rather than a link in your email.
If you are curious, we use an idempotent PUT request under the hood.