Is there an established name for long scrolling web pages? [duplicate]

1. What do you call a scrolling website?
2. What is parallax scrolling effect?

What do you call a scrolling website?

Parallax scrolling is a special scrolling technique used in web design where background images throughout a web page move slower than foreground images, creating an illusion of depth on a two-dimensional site.

What is parallax scrolling effect?

Have you ever scrolled through a page that felt dynamic? As if you were scrolling through more than one view at once? That's a parallax effect, and it happens when the different elements of a page move at different speeds — creating a 3D depth effect.