Bootstrap site, not mobile friendly anymore I made a website with Ubercart and Bootstrap. It was all running fine until a while ago. For some reason the website stopped being mobile friendly. When on mobiles it would show the desktop version and the navigation bar would not become the three bars button for example. Weird thing is when resizing the browser window on the computer it works as expected, but when trying it in developer tools it just doesn't care and remains as desktop version, on mobiles as well. I'm pulling my hair at this point. I have tried disabling a ton of modules but nothing changed. If you can look at the website and go into developer tools and check if there is some sort of an error or something that could help.
In your page's &lt;head&gt;, somehow the viewport got removed.

&lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;


Without this, Bootstrap in general and @media in bootstrap.css don't know what width the screen is initially.

This should generally be auto-generated or put into html.tpl.php.