When I look at traces, it's 99% this:pic.twitter.com/xvtI02l0FH
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Getting a trace is super simple! 1.) go to: https://www.webpagetest.org/easy 2.) paste in URL 3.) select "Mobile - Regular 3G" 4.) click both checkboxes 5.) click "Start Test" 6.) share resulting URL
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I’ve seen some truly shocking SSR implementations - like MB+ of hydration state being sent to the browser Even though one I saw recently only had 100KB ish of JSON in the HTML I struggled to see why it wasn’t just build using straightforward markup
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Have seen similar so often that I can sort of smell a big Redux blob just by looking at the waterfall; shows up as massively delayed TTFB + huge HTML payload
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For clarity: is the problem with server-side rendering or is the problem with rehydration? (e.g. if I serve up HTML+CSS and then *don’t* subsequently dump a bucket of JS on everything, is it fair to say that’s good for performance?)https://adactio.com/notes/15366
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I think the problem is mostly with rehydration. Also app initialisation if you have giant JS bundles. Visually complete but non interactive pages are frustrating (buttons/inputs don't work).
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You should write a blog post about this. Lots of lack of awareness. Great piece from
@luke_schmuke on how they improved performance of SSR@welthttps://link.medium.com/jwSY9EoNGX -
This is a good piece! Are there traces to go with, or URLs I can investigate?
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I've been consulting companies with 98% of HTML being Redux state for hydration (Without it, html fits in 14KiB). It was really hard to make them understand that's bad. Also, most of the state was not used client side again; dev simplicity wins on big companies at first
Thanks. Twitter will use this to make your timeline better. UndoUndo
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> Follows
@why_is_js_mad > Attempts to make JS mad -
> pitchforks everywhere > comm flame war, greentext catches on twitter > becomes hero for bringing greentext to Twitter
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