Pages discussing website optimization

https://danluu.com/web-bloat/
https://danluu.com/octopress-speedup/
https://tonsky.me/blog/pwa/
https://hpbn.co/
https://idlewords.com/talks/website_obesity.htm
https://blog.codinghorror.com/an-exercise-program-for-the-fat-web/
https://developers.google.com/speed
https://mobile.twitter.com/danluu/status/1252792626257866754 (Google AV1 announcement)
https://developers.google.com/search/blog#speed-and-google-search (1st link from Google Pagespeed Insights, "Read the latest Google Search Central blog posts about performance & speed."
https://calendar.perfplanet.com/2020/the-mythical-fast-web-page/
https://www.debugbear.com/blog/is-the-web-getting-slower
https://hackernoon.com/10-things-i-learned-making-the-fastest-site-in-the-world-18a0e1cdf4a7#.1y8odu3s7 (dead link, forwards)
http://www.nateberkopec.com/2015/10/07/frontend-performance-chrome-timeline.html (dead link, 404; "Ludicrously Fast Page Loads")
https://www.speedshop.co/2015/10/07/frontend-performance-chrome-timeline.html (new link for above)
https://www.zachleat.com/web/comprehensive-webfonts/ (h/t Itamar Turner-Trauring)
https://infrequently.org/2017/10/can-you-afford-it-real-world-web-performance-budgets/ (h/t Justin Blank)