Resolution = Pixel Dimensions, not Pixel Density
These three images are 1,000 pixels wide. Seriously. They were all prepared in Photoshop, and exported with Save for Web. No sizing information has been provided in the img tag.
72ppi
144ppi
288ppi
These three images are 1,000 pixels wide. Seriously. They were all prepared in Photoshop, and exported with Save for Web. No sizing information has been provided in the img tag.
72ppi
144ppi
288ppi