If you’re using Tumblr, you can see who views your blog by going to your dashboard and clicking on the “Stats” tab. Under “Views,” you’ll see a list of all the people who’ve viewed your blog in the past 30 days.
You can also see how many of those viewers are logged in to Tumblr, and which countries they’re from. You can also see how many people have shared your blog post, and which posts they’ve shared.