Just saw a post on Paul Irish’s Blog explaining the “protocol relative URL”, which appears to be a great way to eliminate this confusing (or possibly even scary for some) error message in IE: “This Page Contains Both Secure and Non-Secure Items”.

The code is a relatively simple change and there are very few caveats, so this seems like a fix that could significantly increase user confidence when browsing in environments that move from HTTP to HTTPS .

HTTPS Goes Mainstream

HTTPS usage has recently moved beyond the e-commerce and banking/financial sectors:

• In January of 2011 Facebook announced that HTTPS access was available everywhere,  not just for log-in.

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