If you view source on https://web.facebook.com , you will see a slightly more traditional HTML structure. There are still scripts, but you might actually spot visible <div> and <span> tags containing profile names or post text.

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When you visit a website using HTTPS, your browser verifies the website's identity and establishes a secure connection.

He hit Enter.

Clean, logical, indented code that mirrors the layout you see. What you get: A dense, unformatted wall of text.