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HTTP headers are essential for web requests, as they can tell a lot about the query or request that is being sent to your website. They’re used to specify which browser and operating system you’re using and also to provide authentication information if you’re not logged in. With all of these uses, it’s important to pay close attention when reviewing HTTP headers. You will learn important data about your server, content type, HTTP, connection, date and time, and more with the help of HTTP Headers tool.