Scheduled for feasibility study Lazy loading apparently not deferring to browser cache on subsequent page loads

This issue is considered important and has been scheduled for further investigation or feasibility as time and priorities allow
This sounds juicy Allen. Can you post a more detailed bug report, as I'm new to the whole HTML5 browser-supported lazy loading stuff. Are you using incognito mode? A quick StackOverflow search suggests that browser cache should be respected. Possible cache-control headers on the images? Do you have an example URL and I'll pull the headers for the images and try to test further.
 
If that is right then it looks like I'm wrong. This is a subjective observation.

I see placeholders, expanding spaces, images appearing in stages etc. Timing seems to suggest this.

I'm now going to clean my browser, I'm not aware of a reason it should be out of its depth at this point.
 
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I wanted to verify things on my end.

I took these shots over time, and ran a speed test concurrently (right in the middle of it all).

Screenshot from 2022-01-09 05-08-57.png