This can be handy if you want to resize images for RWD without getting into multiple copies of the image. I’m no expert on this either but without knowing for sure the effect on the sites SEO of using svgs over pngs or an icon font I couldn’t bring myself to use them. To use the Font Awesome 4 icons, add the following line inside the section of your HTML page: To use the Bootstrap 3 glyphicons, add the following line inside the section of your HTML page: Note: Glyphicons are not supported in Bootstrap 4. But my own and ones downloaded from icoMoon all seem to go horribly wrong. Thereâs plenty to choose from, and Google just released an icon font thatâs based on the new Android L. Icon nirvana reached? I’d be careful about forgetting about ~5% of traffic on sites you are developing. For more information about Bootstrap 3 and Glyphicons, visit our Bootstrap 3 Tutorial. Some people force their own fonts over yours, for example in a user stylesheet or a browser extension specifically for applying custom styles. You should really not take NetMarket Share stats seriously. Ideal situation is