How is this Website so fast? [video]

(www.youtube.com)
1 points viewtransform | 3 comments | 21 Oct 24 23:57 UTC | HN request time: 0.415s | source
1. viewtransform ◴[21 Oct 24 23:58 UTC] No.41909808[source]▶
This is about the McMaster-Carr website rendering so quickly.
2. gnabgib ◴[22 Oct 24 00:00 UTC] No.41909822[source]▶
Previously (15 points, 3 days ago) https://news.ycombinator.com/item?id=41884029

Discussion on the same (21 points, 3 days ago, 15 comments) https://news.ycombinator.com/item?id=41883419