To understand Camo, we first have to look at how Markdown works on GitHub.
To the uninitiated, it can look suspicious. Why is GitHub loading content from a domain I didn't explicitly allow? Is this a tracker? A malware delivery network? camo githubusercontent
: Providing screenshots or GIFs to illustrate an issue. Confirming Fixes : Proving that a bug has been resolved. To understand Camo, we first have to look
: Showing how a new tool or design change works. Is this a tracker
Understanding Camo and githubusercontent: How GitHub Manages Image Security
: By serving images through a proxy, GitHub hides your IP address, browser version, and other metadata from the external server where the image is hosted. Without this, an image host could track every user who views a particular README.
GitHub needed a way to allow users to embed external images without exposing the viewer to these risks.