If you have ever typed view-source:https://web.facebook.com into your browser, you have already taken the first step into a complex web of obfuscated code, security protocols, and modern web engineering.
Most people who venture into the source code of Web Facebook are there for a specific, almost archeological purpose. They are searching for the invisible. view sourcehttpsweb facebook
Every Facebook user profile and page has a unique numeric ID. This ID is essential for using various Facebook APIs, integrating third-party tools, and even for some analytics. The easiest way to find this ID is through the source code. If you have ever typed view-source:https://web
When you enter view-source:https://facebook.com , you are requesting the raw frontend code for Facebook’s primary desktop web interface. How to View Facebook's Source Code Every Facebook user profile and page has a unique numeric ID
This is a hacking technique known as Self-Cross-Site Scripting (Self-XSS). If you paste malicious scripts into your console, hackers can: Steal your Facebook login credentials and session tokens. Post spam or malicious links from your account. Lock you out of your profile permanently.
When viewing source code:
If you are on a desktop browser (Chrome, Firefox, Safari, or Edge), accessing the source code for https://facebook.com is straightforward: