Internet Explorer 6 has over 30 times more marketshare (0.31% vs 0.01%. So unless you support IE6 users on your website too I don't think there is a particular

Internet Explorer 6 has over 30 times more marketshare (0.31% vs 0.01%. So unless you support IE6 users on your website too I don't think there is a particular reason to support an even smaller, less significant userbase. (If your SSL/TLS settings on your website are even remotely modern and you use SNI, which everyone in the internet does, IE6 won't even bother opening the webpage at all)