Despite all that criticism and scepticism on Safari, it has finally achieved 5% threshold.

This is the first time Safari has crossed 5% of the browser market share.Still, figures show that Internet Explorer is way ahead of others:

Chart of browser market share

Since 2005 Safari's development is open source and based on The WebKit Open Source Project.
In 2007 Apple introduced Safari 3 Public Beta that is now also available for Windows.

Safari was the first browser to pass Acid2, a test case announced in 2005.