Safari is a more elegant browser by design. It renders web pages at lightning speed and it shows you your favorite sites at a glance. Safari is leading the way to a standards-based Internet. Safari was the first browser to support HTML5 audio and video tags. Safari was also the first browser to support CSS3 Animations. Safari is powered by WebKit an open source engine that displays graphics, renders fonts, determines page layout, and supports the interactivity of the sites you visit on a daily basis.