I can see nothing in that page that refutes the evidence given by his confidants, none of whom were Christians. The speeches or parts of his works seem to be either taken out of context (such as where he uses terms like spiritual), are speeches that can be explained as simply to suit the general Christian public feelings at the time, or serving some specific purpose, like reaching out to Catholics. It is telling that most of the examples are from the 1920s and early 1930s, when Hitler most had to reassure the scruples of those who might vote for him, or seek the support of important interests in Germany. There is little from when he is securely in power, especially from after 1936, when the Nazis seem to have given up on co-opt the German Churches. It also tries to dismiss the evidence of Speer et al sophistically, by referring to them as a few associates who may have other motives. This is not an honest way to describe independent testimony of high ranking Nazis with no obvious reason to doctor the record.
May I suggest, in future, you do not simply post links from random internet conspiracy sites.