A QR Code

A QR Code (Quick response) allow you to display an URL readable by a mobile phone. With Google URL Shortener, it is now very easy to insert a QR Code within a page.



A practical example

With Google Maps, we create the following (very long) URL :



We log on http://goo.gl to shorten this URL and we get :


To verify this URL, we display the maps, using an iframe, like this



We of course get the original maps :






The QR Code

We just add .qr to the shorten URL, to get the URL of the QR Code :



To display the QR Code, we just use an img tag :

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