One way to read their data (and what I gravitate toward) is that SSR is bunk. What matters are honest pixels; UI that does what it says *as soon as it's presented*. Late long tasks are as bad as slow TTFB.https://twitter.com/cheneytsai/status/1190019708159963136 …
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Replying to @slightlylate
I think the SSR (yellow) vs CSR (blue) chart shows that..... * TTFCP is faster in CSR * Engagement is down with CSR Doesn't this show that SSR is better for engagement here, even if TTFCP is slower? How did you interpret the case study as "SSR is bunk"?
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Replying to @a15n_ @slightlylate
Yeah I failed to follow the logic of "don't SSR" based on the case study. In fact it points to the opposite, especially for low end devices. Right?
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I can see either reading based on how contentful the FCP was in the last chart. If it's stuff users are trying to use but now late-blocked on JS, that suggests badness. @cheneytsai may know more.
7:41 AM - 4 Nov 2019
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