The data is for the past 12 months, updated monthly.
I say they are pros because they are truly one of the first sites to enter into this field - bravely starting back when dial up and slow downloads were still a thing.
Search Traffic The percentage of traffic, both free and paid, that come to this site from a search engine over the past 3 months, updated daily.
For these sites, we show estimated metrics based on traffic patterns across the web as a whole.
Other Sites Owned These are other sites with the same registered owner as this site.
Sites with Similar Names There are domain names that are similar to this site.
For more information please see this explanation of how Alexa determines the number of sites linking in.
The complete list of sites linking to this site is available to Alexa Pro subscribers.