Programs that crawl the web for specific image tags.

Keywords like these are essentially the "DNA" of the internet's subcultures. What looks like a jumble of letters to an outsider is actually a highly efficient filing system for:

Who use these tags to filter and organize user-generated content. The Importance of Metadata in JPGs

People dedicated to saving media from expiring links.

Ensuring the file meets the destination's size and resolution requirements.

Using API commands to automatically generate threads or posts, often using specific keywords to categorize the content. Why "Nofile" and "XXB"?