Dave Ward says, It’s not exactly light reading, but section 4.2 of RFC 3986 provides for fully qualified URLs that omit protocol (the HTTP or HTTPS) altogether. When a URL’s protocol is omitted, t...

Is anyone aware of whether it is problematic to use protocol relative URLs for an image source to prevent mixed content security warnings. For example linking an image like: <img src="//domai...

Is it correct to statically set up Microdata’s itemtype attribute with HTTP value (http://schema.org/WebPage) on HTTPS pages or do I need to use HTTPS value (https://schema.org/WebPage) on all page...

I have the following element: <script type="text/javascript" src="https://cdn.example.com/js_file.js"></script> In this case the site is HTTPS, but the site may also be just HTTP. (T...

Lately I saw working code-blocks like this: <script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script> And according to RFC 2396 (URI S...

Make an app with UIWebView which open a webpage with protocol-relative styles & images, such as <img src="//example.com/image.png"> (examples for http or https). Override the page loadin...

When I use the following code in my .scss file @import url('//fonts.googleapis.com/css?family=SomeFont:400,700,400italic'); the SASS parser I use (nodejs gulp-sass) happily downloads the file ...

I saw the //somepage.com/resource url format. For example: <img src="//remotesite.com/image1.jpg" /> The point of this is that if the current page (the page defining the img tag) is using ...

So consider a protocol-relative URL like so; //www.example.com/file.jpg The idea I've had in my head for as long as I can remember is that protocol-relative URLs are in fact absolute URLs. They be...

Why using <link href="//something.com/style.css" rel="stylesheet"> instead of using http:// or https:// before the domain name? If we use href=// does it changes with link? Like while...

Scheme relative URLs (network-path references) are something that I've just found out about - where you don't specify the scheme of a URL and it picks it up from the current context. For example: &...

I note in the PHP manual which states the following: HTTP/1.1 requires an absolute URI as argument to » Location: including the scheme, hostname and absolute path, but some clients accept rela...

Possible Duplicate: Absolute URLs omitting the protocol (scheme) in order to preserve the one of the current page I recently noticed that the embed codes for the "like" and "tweet" bu...

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?