View Sourcehttpsweb Facebook Online

This shows you the raw HTML that builds the framework of the page.

What you will see:

What you will NOT see:

Why? Facebook uses client-side rendering. The source code is just the "skeleton." Your browser downloads a separate JSON file (data) and the JavaScript engine fills in the blanks. view sourcehttpsweb facebook

In Chrome DevTools, the Sources tab lets you see the JavaScript files Facebook loads. You can "pretty print" them (click the {} icon) to reformat the minified code into something semi-readable. You will see file names like 7iZQ4nP5.js. These are intentionally hashed to prevent easy identification. This shows you the raw HTML that builds

If you want to know what Facebook allows robots to see, visit https://facebook.com/robots.txt. This is not source code, but it reveals Facebook’s boundaries for crawling. Disallowed paths like /ajax/ and /pages/messages/ hint at sensitive areas. What you will see: