Some time ago, Internet Explorer (IE for short) won over Netscape Navigator. As result there was quite interesting situation: there were quite few areas were IE did not respect standards at all or did not respect them completely. And when new browsers (Firefox and Opera) tried to gain some popularity, they immediately did hit hard concrete wall with their head: web sites do not work properly in new browsers. This happened mainly because other browsers actually did try to follow standards, but most web sites were designed for Internet Explorer that does not respect standards.

During that phase, most web site designers said pretty much that: “everybody uses IE, why should I care about browser that has 1%-2% of marker