The QR codes those two-dimensional codes, are so-called fast-response codes (hence the Q uick R sponse), a way that the user permanently connected to his mobile phone, access information quickly and effectively (this is not always).
There are spectacular cases, such as the Tesco virtual supermarket but most of the current uses are usually to offer links to websites, emails, sms or, if anything, virtual business cards.
In any case, we can also use QR codes in WordPress . The easiest way is a couple of plugins that make life easier when offering these BIDI codes on our site:
Well, that if you cheer up is easy, you only need one of these plugins and, of course, a QR reader code on your mobile to see what's behind codes like this …