The Traffic Score is derived from a few data sources including Similarweb and Semrush to identify the websites with higher traffic. The actual scoring is semi-logarithmic rather than numerical, to give a more useful gradation.
Actual traffic numbers for websites like wsj.com with around 70 million visitors are pulled down to enable a more useful mid-range allowing the most useful affiliate websites falling into the 10k to 100k visitor range to show up better.
You'll still see the high traffic sites you'd expect to see, such as buzzfeed, techradar and coupon sites with the higher scores. You can also choose to filter further, by excluding the lower traffic sites from the list if that's your focus - or to trim it to a more manageable number of prospects. Just pull the slider along:
You can always use the favourite Stars to save them to come back to later, or save for a team member to work on.