PDFCrowd might be a bit more popular than 10gbps.io. We know about 1 link to it since March 2021 and only 1 link to 10gbps.io. 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.
So the CDN77 situation is kind of specific, it's all AS60068 (https://as60068.peeringdb.com/) underneath and it belongs to a single company, with a shared networking team, but different businesses. That's why you might see cdn77 names around there, but in reality, it's often rented datapacket.com servers belonging to the same group. Source: almost 2 years ago
To follow on with this, I've used https://pdfcrowd.com/ too. Source: over 3 years ago
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