4 ms·

This is one of the reasons why FB et al go to a special link before opening the actual target site.

• hueving 11y ago
  That's more of a happy accident. Their primary reason is to track things.
  • xuki 11y ago
    You can track click without a redirect.
    • azazqadir 11y ago
      Like using utm?
      • xuki 11y ago
        Like using javascript
  • tuukkah 11y ago
    I thought the primary reason was privacy: https://m.facebook.com/notes/facebook-engineering/protecting-privacy-with-referrers/392382738919/ https://m.facebook.com/notes/facebook-engineering/protecting...