Hacker News Reader

Captions and thumbnails come from a different part of the CDN. Same with Netflix. The videos come from devices dedicated to large files, the captions and thumbnails come from a CDN designed for small files.

View on HN

How fun - same goes with the previews on hover over timestamps then, I guess?

Most likely. Any small file comes from a different CDN than the video.

Interesting, thank you! :)

Reply on news.ycombinator.com