> **Possible Duplicate:**  
> [please add a key fields to stackauth results](https://stackapps.com/questions/739/please-add-a-key-fields-to-stackauth-results)  

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It would be easier if sites each had an ID, it help with keeping track of them, not only in a numerical way (which is generally easier and smaller than using name strings).

Also changes of site names (such as when a site progresses from beta, or decides it's name is not quite right during beta).

Everything else has IDs so why not sites?