Handlescout might be a bit more popular than NameCheckup. We know about 1 link to it since March 2021 and only 1 link to NameCheckup. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Not universally, but sites like https://namecheckup.com/ and https://checkusernames.com/ will check a large selection of the most common sites you may have signed up for. Source: about 1 year ago
I’m fact, it’s already been done: https://handlescout.com. Source: over 1 year ago
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