They also said not to &quot;penalize&quot; websites based on user agent. Yet they do it and have been doing it for years.<p>They also said to use valid html&#x2F;etc while they didn&#x27;t do it for cost saving&#x2F;performance reasons. Not sure this one is still true.<p>My guess is that this list of preaching water and drinking wine is pretty long for Google. I think their view is they know what they are breaking so it is OK in that particular case. The rest of us has to suck it up.