This site contains a couple different pages demonstrating different techniques of incorporating icons into web pages.
- Methods Overview: a page using a variety of methods (fonts, spritesheets, svg) to show icons.
- SVG Methods: several different ways of using svg to show icons.
- SVG Spritesheets: a look at creating spritesheets and using fragment identifiers to select just one.
The source for this site is available on github.