Despite its imperfections, Alexa rank appears to be the best metric available to quantify a website’s popularity. Below are some links with more information.
Unfortunately, the free WordPress .blog subdomains don’t have Alexa ranks. You can get a free *.wordpress.com blog URL (with an Alexa rank) by typing the full address of the .wordpress.com address you want (if it’s not already taken).
Please comment below if you have suggestions to improve prioritizing of blogs on the Actually Autistic Blogs List.