I use Edge. But, yes, pages with elements not fully loaded when you start reading can cause the page to jump around. I see this a lot on sites with ads (even with an ad blocker). It makes me wonder if there's some delay-loaded element at work here. Perusing...
Going back to 2019 when Google first announced that Manifest V3 would be coming, the developer of uBlock Origin Raymond Hill famously said that "this would be the death of uBO and uMatrix." Furthermore, he went on to say that he found the change unnecessarily restrictive towards extensions, ...
I use Edge. But, yes, pages with elements not fully loaded when you start reading can cause the page to jump around. I see this a lot on sites with ads (even with an ad blocker). It makes me wonder if there's some delay-loaded element at work here. Perusing...