How to add viewport meta without editing the master page

If you like to create a responsive user experience it is common practice to add a <meta name=”viewport”> tag to the html. This tag contains instructions to the browser in the matter of viewpoints and zooming and make sure that your web design is scaled properly according to your style definitions.¬†Without this tag SharePoint on an iPhone will look as seen on the screenshot below. Currently SharePoint doesn’t support it by default.

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