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by thug 2635 days ago
What? As far as I know this feature is completely client-side.
3 comments

The server will know how far you scrolled in a session by what images/iframes are being downloaded.
With server side implications. The worst case would be a website stacking 1px images vertically to detect good far your scrolled
I see.. but this would only make a difference for people who disabled JS, and these people can probably also disable lazy loading.
Assuming lazy loading remains a flag. Chrome just removed the flag to disable hyperlink auditing and that one was even blatantly about privacy.
It's that true of iFrames? I haven't tried to determine within a child frame if scrolled into view.