UX Vs Editorial Vs Monetization balancing can be a pretty tough task.
An elegant yet dynamic approach is needed to walk between the raindrops. In many cases it would be reasonable to keep a balanced approach on your core users, but set a more aggressive / mild serving policy to Users in a different state of mind/behavior.
It would make much sense to define different serving policies for those long tails and create additional revenue with a minimal user experience impact.
For example: You may try increasing the maximum allowed ads per page for Social Traffic or supporting larger ad unit dimensions for non-core users. (By Geo locations, Site Sections, etc.)
The Layout dashboard gives you control over the serving policies, and enables personalizing your ad layout using those real-time behavioral data.
It's composed of at least one Placement (Ad type like: Top, Bottom, In-Line) ,per Ad Layout/ serving policy.
While the Layout lets you customize targeted audience, Placements lets you control the site's placement conditions and structure.
Layouts
The Layouts dashboard is where ad layouts for all of your domains are stored. You can add, edit or remove layouts targeted to your custom parameters.
💡 A Default Layout is the default ad layout assigned to your website. You cannot remove or deactivate your Default Layout. If you haven't set your Default Layout details, then nothing will be served in this configuration.
To access the Layouts page, go to Your Account > Inventory Management > Layouts.
Desktop, Tablet and Mobile
Before starting to set the actual layout, choose the platform it should be applied to:
Go to the top of the Layouts page and change between "Desktop" and "Tablet & Mobile"
Layout Parameters
Below is a table of the Layout flow parameters:
Placements
Placements lets you set your ad layout and its parameters.
There are currently five Ad Layout Types:
- Adhesive
- Top
- Bottom
- Inline
- Rail
Adhesive Ad

Also known as sticky ads, adhesive ads are positioned at a fixed location and stick to the top of your window when visitors reach the top of the ad container.
Top and Bottom Ads


Top ads are ads located on top of the main content while bottom ads are below the main content.
Say you have an article page where you have an element wrapper that wraps the whole article content; top or bottom ads will be shown either above or below the main content.
Inline Ads

Inline ads are ads located inside the main content of the page like the content of an article page or a blog post.
Rail Ads (Desktop only)

Rails ads are ads commonly located on the side of the page. We find them above the fold on the home page, as their viewability rate is generally high.
Now, Let's create your first Layout >>