It might look like philosophical question, however it really bother me. We\'re expecting HTML 5, we\'re using JS, Ajax, Flex, all this stuff, but when older browsers were develo
Depends on how technologically backwards you expect your target audience to be. IE6 should be supported only if it is specifically expected to work there. In IE7, a site should be functional, but I do not spend extra time on it. Also, suggested is a message for IE7 users with a link to http://www.microsoft.com/windows/internet-explorer/worldwide-sites.aspx
On the other hand, these days it's good to check if your site is at least functional on newer phones.