This opens the browser's developer tools, allowing you to see the live DOM (Document Object Model) and CSS styles. Why View Source Code on Facebook?
To maximize performance, Facebook minifies its code. This process removes all unnecessary characters from the source code without changing its functionality, including:
Every webpage you visit is delivered to your browser as raw text files written in languages like HTML, CSS, and JavaScript. Your browser reads this code and translates it into the visual interface you interact with daily.
While you can't spy on your profile visitors, looking at the source code does have legitimate uses:
When viewing the source code of Facebook, there are several things to look for:
Many users confuse "View Source" with the "Inspect Element" tool. While they seem similar, they serve completely different purposes. View Page Source
Facebook doesn't let people track who views their profile. Third-party apps also can't provide this functionality. How To Check Who Viewed My Facebook Profile
Researchers and marketers sometimes look at the source code to understand how Facebook structures its data. However, it is important to note that Facebook has strict terms of service against automated scraping. Common Misconceptions
Are you trying to scrape public data for a ?
Right-click on any empty space on the page (avoid clicking on images or links).
Web pages are delivered to browsers as HTML, CSS, JavaScript, and other resources. "View source" (or "view-source:" in a browser URL) shows the HTML document the server returned for that URL. DevTools (Inspector) goes further: it shows the live DOM (which may differ after scripts run), CSS rules, computed styles, network requests, and scripts. Viewing source reveals the page structure, meta tags, linked resources, and any inline scripts or styles included in the returned HTML. It does not, however, reveal server-side code (e.g., PHP, Python, or database queries), nor secrets the server does not send.
