Your comparison is missing Akamai which is probably the most feature-rich and largest CDN.
> All results are based on RUM (Real User Metrics) data from users all over the world
> We gather and analyze more than 300million tests every day
> "RUM Uptime" shows the uptime of CDN providers as measured by real users. Due to bad Internet connections this number can contain false positives.
Agreed about Akamai, though — it appears to be clearly faster than those listed (they certainly had a HUGE head start). But also by far the most expensive. You get what you pay for in this industry!
I skipped Akamai, because it seems to be from the period of time, where the number of points of presence (PoPs) was used as the best indicator of the quality of a CDN. It might still be true in some of the third-world countries, but it's no longer the case in the developed world[1].
As for DNS providers: NS1 is like Fastly (the most advanced / premium), Rage4 is like KeyCDN (the best fully-featured value-for-money), and ClouDNS is like BunnyCDN (the best high-volume value-for-money). And Cloudflare is still Cloudflare.
[1] https://www.fastly.com/blog/why-having-more-pops-isnt-always...
Except NS1 don't actually offer any pricing.
Rage4, are they being used by any big players site? I mean KeyCDN, despite its price are actually pretty decent and have quite a few Enterprise customers.
And no mention of DNSMadeEasy?
That's true, and it might have been a good enough reason to exclude it from the comparison, as I did with Akamai for CDN. Yet, unlike with Akamai, nothing seems to come really close to NS1 in DNS space.
> Rage4, are they being used by any big players site?
That's its major downside. It has no competition in terms of the price / performance ratio, but might be not big enough company for major players to put a trust in.
Still, Rage4 is regarded with respect by others in its own industry: BunnyCDN uses it for distributing the traffic, and Cloudflare's employee recommends it when Cloudflare doesn't fit[1].
> And no mention of DNSMadeEasy?
I found it to be neither the most technically advanced, nor the best value-for-money. It might be a good option for those who don't have enough justification for NS1, and enough confidence in Rage4.