Does OpenDNS Really Speedup Web Pages?

I just read a post on Lifehacker about OpenDNS, a free service that claims to speedup web surfing sessions and offer phishing protection. The diagram I’ve poached tries to explain why.

OpenDNS provides free DNS server addresses which you enter on your home router or within your computer’s network settings. The service caches the billions of DNS requests made by its users into a giant database on a distributed network, which turbocharges surfing for everyone who uses it.

At first I thought fantastic, and then once I’d paused and thought about it, I can’t see how OpenDNS’s servers could ever be faster than my ISP’s DNS servers which are only a couple of hops away, even if they are more efficient.

I’m also a bit sceptical of how genuine the claims of the service are, when an alternative explanation of why they launched the service is to sell their own ads when users type in the wrong url.

Does anyone use OpenDNS that can vouch for it?

More: OpenDNS

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