When size of an individual glyph is 9–20 pixels, proportional serifs and some lines of most glyphs of common vector fonts are smaller than individual pixels. Hinting, spatial anti-aliasing, and subpixel rendering allow to render distinguishable serifs even in this case, but their proportions and appearance are off and thickness is close to many lines of the main glyph, strongly altering appearance of the glyph. Consequently, it is sometimes advised to use sans-serif fonts for content meant to be displayed on screens, as they scale better for low resolutions. Indeed, most web pages employ sans-serif type.The Principles of Beautiful Web Design, (2007) p. 113. Recent introduction of desktop displays with 300+ dpi resolution might eventually make this recommendation obsolete.
When size of an individual glyph is 9–20 pixels, proportional serifs and some lines of most glyphs of common vector fonts are smaller than individual pixels. Hinting, spatial anti-aliasing, and subpixel rendering allow to render distinguishable serifs even in this case, but their proportions and appearance are off and thickness is close to many lines of the main glyph, strongly altering appe,arance of the glyph. Consequently, it is sometimes advised to use sans-serif fonts for content meant to be displayed on screens, as they scale better for low resolutions. Indeed most web pages employ sans-serif type.The Principles of Beautiful Web Design, (2007) p. 113. Recent introduction of desktop displays with 300+ dpi resolution might eventually make this recommendation obsolete.