Show me the traces. It's easy: https://www.webpagetest.org/easy Paste in the URL of a good example, select "Mobile - Regular 3G", hit submit, share WPT result!
As noted in the comments of the post,there's a lot of noise between runs. The user-timeline data seems to vary in access cost, which I presume affects both equally? Hard to know.
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It looks like the SSR version gets ~complete 500ms sooner. This is interesting given the waterfall for the CSR version: http://www.webpagetest.org/result/180202_67_ae21f1a34a7f570599edae125e1c292a/3/details/ … Request for data is delayed by ~300ms because it's blocked by script eval? Why?
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I'd have thought critical data would be H/2 pushed or at least `<link rel="preload">`-ed to get the parser working for you and prevent device speed from being a factor in getting that request out to the network.
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Shopping for two good examples to set up a side by side...this might be the best I can do: http://www.webpagetest.org/video/compare.php?tests=180202_67_ae21f1a34a7f570599edae125e1c292a-r%3A3-c%3A0%2C180202_VF_84ae556dc7c51e405d5fccccccb383ae-r%3A1-c%3A0&thumbSize=200&ival=100&end=visual …
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