Keep in mind that only rendering blocks, not the entire request. Your database calls and other stuff is still non blocking. The actual rendering time is measure

Keep in mind that only rendering blocks, not the entire request. Your database calls and other stuff is still non blocking. The actual rendering time is measured in tens of ms in my experience, but then I’m not Walmart. But at the same time I haven’t seen any pages in Walmart that render for half second. I think you are doing something wrong if your tender time is more than a few ms.