Salafis say that when going into Sajdah, the hands should first be placed on the ground, not the knees.

Answer

The Sunnah is to place the knees first on the ground. The other Ahaadith which conflict with the Hadith of Abu Hurairah (radhiyallahu anhu) are more authentic, and the view of the overwhelming of Fuqaha is that the knees should first touch the ground, not the hands. We have prepared a detailed article on this question. You may write for a copy.