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It's definitely noticeable on the Google/Facebook/Twitter properties, which is unfortunate because they're the ones behind a lot of the tech (and ads) commonly used across the web.

I wonder how much of the bloat comes from everyone using React/Angular/Polymer/Bootstrap and the layers and layers of libraries and another DOM and rendering engine.

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gmail at 158, facebook at 56.

I don't think React is the problem.

It's hard to tell, to be fair. We don't know whether a React version of Gmail (equally maintained etc.) would use more or less RAM.

basic HTML gmail link (fast AF)

https://mail.google.com/mail/u/0/h/1pq68r75kzvdr/?v%3Dlui

FastMail uses our in-house framework Overture, which doesn’t use a VDOM, but rather uses computed properties with explicitly-declared dependencies, observers, and things like that. It’s definitely more effort to work in, but the results speak for themselves: it’s markedly faster than anything done in React or Angular or similar, and uses around 11MB of memory.

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