migrated from stackoverflow.com Jul 25 '12 at 14:00
I use Alexa for two of my websites. I have observed that Alexa Traffic Rank is updated on a daily basis, just as you described. That is consistent with the Alexa Traffic detail page .
Regarding "Sites Linking In", I have not observed the number changing very often. Alexa FAQ says that it is only updated once per month:
All three of the fee-based Alexa plans include Enhanced Site Listing functionality, with daily updates.
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