The biggest difference in viewing publications on a laptop or desktop and viewing the same content on a mobile device is, of course, the size of the screen. For the past couple of years we have seen an upward trend in online shopping on mobile devices. In 2020, mobile web traffic accounted for 70% of all online sales, with 30% coming from desktops (read more).
This article will help you adapt your publications to this trend and change the way your pages are displayed on mobile displays.
In this article:
- How publications are displayed on mobile
- Having pages fit the mobile screen
- Showing single pages on mobile for booklet publications
- Enabling vertical scroll on mobile
How publications are displayed on mobile
There are two different types of layout you can select for your online publications: Single-page and booklet. By default, the publication will use the selected layout on both desktop and mobile devices.
For single-page publications, each page is displayed individually. Booklet publications will first show a cover page on mobile where all consecutive pages are spreads, finishing with a separate back page. On mobile, a swiping gesture is used to navigate from one page to the other, or from the cover page to the first spread.
Because the spreads in booklet publications consist of two pages, the reader will automatically snap to the one side of the spread in case the mobile device is in the portrait orientation. With a pinching gesture you can zoom out to see the entire spread. This can also be achieved by rotating the device to its landscape orientation.
| Default portrait view of a spread on mobile:  |
Portrait view of a spread after zooming out:  |
Default landscape view of a spread: |
Having pages fit the mobile screen
By default, the reader will make the content of a single page fit onto the mobile screen. If this is not the case for your publications (e.g. the setting has been changed in the past), we recommend to select the Fit content option in the Display & Formatting tab of the Publication Reader menu.
Locating the Page layout setting:
The alternative 'Fill content' option will always fill the screen top to bottom which case result in pages being partially visible. Even though the user can drag the page or zoom out to see the rest of the page, it is not a recommended option.
Showing single pages on mobile for booklet publications
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A booklet publication closely resembles a traditional book that you read from left to right or vice versa. For the best experience, you therefor need a wide screen which allow you to view the entire spread as soon as it comes on screen. Although mobile devices can rotate sideways, most users prefer the upright position as most mobile activities happen in the orientation and it allows for single-handed operation. In the portrait orientation, two kinds of swiping interactions are used by the reader. One that will take you to the next spread and another to slide between the two sides of a spread. The latter is necessary in case you have content that covers the entire spread. |
Example of content that covers the entire spread:  |
If both sides of a spread can also be used individually, we recommend to activate the single-page layout which only uses one type of navigation effect, making the mobile experience more consistent. Look at the two examples below and compare the user experience.
If you look closely at the examples below, you'll notice that in the left example some pages snap into place in an instant (i.e. navigating to the next spread) where the other pages slowly settle into place (i.e. navigating to the second page of a spread). In the single-page experience on the right, all pages snap into place immediately, creating a more consistent user experience.
| Mobile experience with the booklet layout enabled  |
Mobile experience with the single-page layout enabled  |
You can update the mobile experience in the Display & Formatting tab of the group's Publication Reader menu or the publication's Settings menu. On desktop, the publication will still be displayed using the booklet layout.
Enabling single pages on mobile for booklet publications:
Enabling vertical scroll on mobile 
EARLY ACCESS: If you're interested in using this feature and you're on the Enterprise plan,
feel free to reach out to your success manager who will activate this for you.
In this digital age, we spend a good portion of our time scrolling through online content. The majority of the media, like news sites and social media, uses vertical scrolling to present its content. In Publitas, you can enable mobile vertical scrolling for online publication as well.
Using vertical scroll on mobile:
You can enable the setting on group-level in the Display & Formatting tab of the Publication Reader menu, which will enable it for all publications within that group. You can also apply the setting per publication, which can be done through the publication's Settings menu under the Display & Formatting tab.
Enabling vertical scroll on mobile:
NOTE: To enable this for booklet publications, you will first need to enable the single-page layout on mobile which will split up the spreads into two separate pages.