It takes more than money to supplant the name brand that every ISP games and every front line support worker uses by name

selling peoples ip addres for some reason along with whatever privacy invasion tech they have.

Fast.com has existed for 15 years yet isn't nearly as popular. It's easy to build a new speed test, but much harder to get people to use it.

Downdetector wins because of SEO. Most people don't get there directly, they google for "is $x down" and then get sent to downdecetor. Which from my understanding works by simply showing you how many people came to their site with those search terms. They don't actually check the sites.

Isn't Speedtest's huge dataset of Internet speeds mapped to time, location and IP address, as well as data on VPN usage (a user checks the speed of his/her direct connection then turns VPN on and checks over that too, all within the same session) such an asset?

I doubt they didn't collect all of that.

dont miss it, its almost all about users and revenue not how complex or simple product is.

Ookla has huge amounts of data, speedtest’s software is integrated into networks and used by hundreds of millions of users, they have the most comprehensive information about internet connections. You can recreate the software but you can’t recreate the data without decades of integration into what seems like every network.

https://www.ookla.com/ You can see an overview of the data they collect and sell on the corporate website