Web Design and the DPI Myth
Webdesigner Depot has published a primer on digital image resolution. The author, Ben Gremillion, is a Web designer himself, and his hands-on expertise shows in his clear explanations of dpi versus ppi, resizing and resampling in Photoshop, and more.
Whether you’re new to the Web or brushing up on the basics, this article is a valuable resource. It also has many useful illustrations, such as the one below that shows two devices with different pixel dimensions:

Read the full article here.
This article was last modified on January 5, 2023
This article was first published on February 18, 2010
