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But we are talking about jumps Phil, not (badly) rolling off rock drops.
The same applies to drops - both wheels at the same time or front slightly first so you can control the direction of the bike on and immediately after landing. Front slightly first and you will never go over the bars, and on a hardtail you'll get the benefit of actually using that spendy suspension fork you paid for.
Here's @IR really enjoying a rear wheel first landing