More and more, began to notice that the links in the source code on Web sites begin with two slashes. For example:
<a href="//example.com/1.png">Image</a>
Why do it?
More and more, began to notice that the links in the source code on
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More and more, began to notice that the links in the source code on Web sites begin with two slashes. For example:
<a href="//example.com/1.png">Image</a>
Why do it?
It’s a protocol-relative URL (typically HTTP or HTTPS). So if I’m on
http://example.organd I link (or include an image, script, etc.) to//example.com/1.png, it goes tohttp://example.com/1.png. If I’m onhttps://example.org, it goes tohttps://example.com/1.png.This lets you easily avoid mixed content security errors.