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by CydeWeys 3878 days ago
> tl;dr: It's 25% of the top 10 million websites according to Alexa over the last 3 months, and only includes top-level domains (So skips counting the millions of WordPress.com subdomains).

Nit, from someone in this industry: A top-level domain is .com, .net, .org, etc. The Alexa statistics only include second-level domains, which is what fully qualified domain names without hostnames are called.