Use of frames with vertical scrolling for product area - Good or Bad?

1. Is horizontal or vertical scrolling better?
2. Why are vertical scrolls are preferred to horizontal scroll?
3. What is horizontal scrolling?

Is horizontal or vertical scrolling better?

Horizontal scrolling is a good option for design portfolios and photography sites where users need to go through multiple images quickly and easily. Navigating vertically in these situations is chaotic and puts a lot of strain on the user.

Why are vertical scrolls are preferred to horizontal scroll?

A study presented at WWW2009 (PDF) found that users preferred vertical scrolling because they were used to it as opposed to horizontal scrolling and some pointed out that horizontal scrolling because it "forced them to move their eyes vertically up and down the full height of the screen", which isn't the case with ...

What is horizontal scrolling?

Horizontal scrolling is a page navigation method in which the user scrolls left and right to reveal content from the sides of the window or container.