Updated on Sat, 2012-08-25 12:23
t.co currently handles redirections by context and known user agents. We've taken care to preserve original referrers in all contexts where they are reliably provided.
| Source of click | Referrer |
|---|---|
| non-twitter.com domains with specified referrer |
original referrer |
| non-twitter.com domains with no specified referrer |
t.co / Twitter |
| non-twitter.com SSL domains | t.co / Twitter |
| twitter.com | t.co / Twitter |
| Twitter-operated apps | t.co / Twitter |
| Twitter widgets on non-SSL pages | original referrer of embedding page |
| Twitter widgets on SSL pages | t.co / Twitter |
| 3rd party desktop or mobile clients with specified referrer |
original referrer |
| 3rd party desktop or mobile clients with no specified referrer |
t.co / Twitter |
| Bot with specified referrer |
original referrer |
| Bot with no specified referrer |
direct traffic / no referrer via 301 redirect |
| Unknown user agent with no specified referrer |
direct traffic / no referrer via 301 redirect |
| Unknown user agent with specified referrer |
original referrer |