Update (08 Sep 2017): I found that sometimes SVG icons don’t appear on IE11 even if the SVG code looks good. One of the examples is: The solution on IE11 is to remove the .st# classes in the <path> 😮 and define the color with CSS explained below. So the above SVG code may should look like: Update (23 Sep 2016): One of my colleagues (Michal Prazuch) noted me that xlink:href is not working on Safar