Images in comments or forums can come from any domain, and these hosts almost universally support SSL poorly or not at all.

It supports IPv6 and SSL.

There are, in these big lists of proxy servers, they often show whether the proxy server supports SSL.

The real issues begin to arise, however, when your application must include assets served by servers which also do not support SSL.

Google Adsense for example does not support SSL serving of ads.

Also caches all of the music that you listen to, and supports SSL.

So this is just neat, the idea that Firefox and Chrome will preemptively know which sites are able to support SSL, even if you've never visited them.

They support SSL for their domain, and you can go to https://youhavedownloaded.com.

Extended Validation supports all current releases of commercial and freeware web servers supporting SSL v.3.

But it does not support SSL.