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  • Why do these two websites chew a lot of CPU time for no obvious reason?

  • BugsDesktopDone

I was exploring podcats earlier today and noticed these two were chewing up most of the CPU on my laptop but they seem relatively static:

https://www.edisonresearch.com/the-top-50-podcasts-in-the-u-s-for-q2-2024/
https://stuffyoushouldknow.com/episodes/

Just going to the 2nd website drives 1 of my CPU to >80% and drives WindowServer another >30% even before I start streaming/playing.

I also noticed they don't do this in Safari but even if they did I don't see what they are doing that requires much CPU at all (active video streaming usually uses less CPU).

I would expect them to use <2% CPU. Playing one of the podcast episodes in Safari uses <2% CPU on my relatively slow Intel i3 system while Orion + WindowServer is >100% just having that web page open.

I think there are two issues here:

  1. What are those websites doing that is driving Orion to consume over 1 CPU in total?
  2. Even if those web pages are doing something stupid, can Orion handle them as efficiently as Safari?

Version 0.99.128.2.1-rc (WebKit 619.1.11.111.2) Build date Aug 4 2024 MacBook Air (macOS Catalina 10.15.7 build 19H2026)

Catalina (10.15)

    I am able to reproduce the unusually high CPU usage on those two sites when using Orion. Safari and Safari TP work as expected so there is something wrong on Orion's end.

    23 days later
    a month later

    I am still having similar issues on Orion 0.99.129-beta (WebKit 619.1.11.111.2). In particular, for GitHub and Duolingo.

      5 days later
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