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At Amazon every 100ms latency cost 1% of sales. Here's what we did

19 pointsby chris_overseasover 3 years ago

4 comments

coolspotover 3 years ago
No way.<p>Since the start of the pandemic I was ordering groceries from Amazon Fresh.<p>Adding&#x2F;removing an item to&#x2F;from cart takes couple seconds at very least. Expanding “similar items” can take up to ten seconds easily.<p>It seems at times like they are using a blockchain or maybe a real human writes down my order on a piece of paper (and sometimes they have to run for a new pen).<p>This is not a one-time experience or a rush hour. It always works like this, it’s just how it is built.
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technionover 3 years ago
Is there supposed to be an answer to this or am I struggling with the UI? Here&#x27;s how this looks to me.<p><a href="https:&#x2F;&#x2F;ibb.co&#x2F;BTf9N1N" rel="nofollow">https:&#x2F;&#x2F;ibb.co&#x2F;BTf9N1N</a>
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ksecover 3 years ago
&gt;Server side render everything<p>&gt;<a href="http:&#x2F;&#x2F;amazon.com" rel="nofollow">http:&#x2F;&#x2F;amazon.com</a> is server side rendered and has no client side rendering framework. The potential latency hit didn&#x27;t justify it.<p>&gt;We were stuck with jQuery 1.6.4 Grimacing face<p>&gt;SSR React wasn&#x27;t fast enough for us. This blew my mind.<p>While SSR has gotten some more support in the past 1-2 years, This is not going to sit well with majority of HN crowds.<p>One thing I really want to see is some sort of predictable latency rendering. Every page should render at fixed predetermined timing regardless latency ( Subject to Network latency difference so everyone would have different value ) . I dont like webpage that some times load so fast it felt it is punching me to the face while some links of it takes 3s to load.
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JaimeThompsonover 3 years ago
And yet pulling up recent orders takes a decent amount of time, individual items take a lot longer, and don&#x27;t get me started on 2 day shipping taking 3-5 days after it &quot;ships&quot; the vast majority of this spent in Amazon logistics before hitting USPS &#x2F; UPS
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