Activate the Mobile Template for your site by clicking Settings > Website > Mobile View and checking the box next to Yes, activate the Mobile Template for my website.
To the right, you will see a preview of what your site will look like on a mobile device. In this preview you can browse through your entire website.
The Mobile View is optimized for mobile devices with smaller screens. By using a specialized layout and rearranging the Elements on your page, the Mobile View creates a great experience for people viewing your site on a mobile device.
Your visitors can always switch to the desktop version by clicking Standard View at the bottom of each page in the Mobile View.
Google's Mobile-Friendly Test
Google provides a service through which you
can check whether your Jimdo site is optimized for mobile devices.
Simply go to
https://www.google.com/webmasters/tools/mobile-friendly/ and enter your website's URL with