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What Are Interstitial Ads And Can Publishers Use Them?

Interstitial Ads
What are Interstitial Ads? Can a web publisher use the format? If not, why? We answer all your questions on interstitial ads here.

Although standard display and video ad formats dominate the ad industry, a handful of publishers still display interstitial ads to maximize revenue. Why? It is because interstitial ads have higher engagement rates than other formats. If you have pop-up (or a prestitial ad) preventing the user from viewing the content, then they are likely to see it (100% viewability) and sometimes, engage with it. But most importantly, it isn’t going to deliver a great user experience – on both mobile and desktop. 

“Prestitial “Countdown” ads appear before the content of the page has loaded, forcing the user to wait a number of seconds before they can dismiss the ad, or the ad closes on its own. These ads can disrupt users in a way that dissuades them from waiting for the countdown to finish and continuing onto their content.”

– Coalition for Better Ads.

That’s why the majority of web publishers avoid it. In this article, we aim to cover the basics of interstitial ads, the pros, and cons of the format, and the best practices to get started with interstitial ads (in case you wanted to).

Table of Content:

What are Interstitial Ads?

An interstitial ad is a full-screen ad that covers the entire interface of the user’s screen or at least partially for a period of time. When the ad is displayed, the user has the choice to either tap on the ad or close it and return to the web page or app.

An Interstitial Ad on The Hindu

An Interstitial ad on The Hindu’s App

The interstitial ad unit can be used to display any of the three ad types – text, image & rich media, and video. That being said, the ad format has a very clear starting point and stopping point, especially if it is a video. Interstitial ads go by different names including pop-up ads or persititial ads. While they are different formats, all of them deliver more or less the same experience for the users. 

So, why can’t web publishers display interstitial ads on their sites? Let’s uncover the answers.

Why Web Publishers Can’t Display Interstitial Ads?

Before 2017, publishers used to rely on interstitial ads to increase engagement rates and hence, ad revenue. However, due to the improper implementation of the ad format, 

  1. After an extensive study, Coalition of Better Ads declared that pop-up and persitial ads aren’t preferred by the consumers and should be avoided. 
  2. Google search penalized publishers. That is, it began to send less traffic to publishers with interstitial ads. 

Since an interstitial ad covers the screen of the device, users weren’t able to access the content. Soon, Google took an initiative and declared three types of interstitial ads as  intrusive:

  1. Displaying an ad that covers the main content either immediately after the user navigates to the page from the search results or while they are skimming through the page.
  2. Displaying a standalone interstitial ad that a user has to dismiss before accessing the website’s content.
  3. Using a layout where an ATF (above-the-fold) portion of the page looks like an interstitial ad and the original content lies beneath the fold.

Intrusive Interstitial ads

However, Google said that the interstitial ads used responsibly would not be affected by their new policies. Below are the exceptional ads that don’t come under intrusive interstitials:

  • Interstitial ads used for notifications related to cookie-consent.
  • Interstitials (based on adult, alcohol, or other sensitive content) for age verification.
  • Interstitial ads displayed when a user switches from one page to another.

Interstitial ads allowed by Google

Source: Google Webmaster Blog. 

Due to Google lowering the search ranking of websites, publishers stopped using the interstitials and the ad format slowly disappeared from the industry. But, it is still famous among the app-publishers. 

Sidenote: Some web publishers still use persitial/interstitial ads to hit their direct campaign goals. Our suggestion is to avoid the format altogether and prioritize user experience instead. 

Moreover, Google has given a few guidelines for the publishers to consider in order to successfully display an interstitial ad without disrupting the user experience. 

Things to Avoid While Displaying an Interstitial Ad

  • Avoid implementing the ad placements just after the user comes to the app or is about to exit the app.

Interstitial ad when user opens an app

Interstitial ad when user exits the app

Interstitial ad before the user exits the app

  • Avoid displaying interstitial ads after every action a user takes in the app or after every few seconds.

Multiple interstitial ads to one user

  • Avoid confusing the user with app content and navigational content that match the ad elements.
  • A video interstitial ad may have up to 5 seconds delay before providing a close option “x” button to the users. 
  • On the other hand, if the ad unit has other formats except for video, then the users must be provided with the close option as soon as the ads get displayed.

In nutshell, a publisher has to implement the interstitial ads in a way that they do not lead to accidental clicks and poor user experience. Besides, following the best practices will help you to keep users happy as well as comply with Google’s policies.

Best Practices

  • For a gaming app publisher, the best interstitial ad placements are when the user completes a level/stage or about to continue the next level. As the gap between two stages is a natural stopping point for a user, placing interstitial ads during the time is the best time.

  • For a non-gaming app publisher, adding an interstitial ad is best after the number of actions taken by the user. If you’re using a time interval, you should give enough time between two ads. Also, if the app’s content requires repeated tapping the users, it is recommended to display a message like “please wait or loading”. This will make the user stop tapping the screen and accidental clicks on the ad.

Interstitial ad for gaming app

  • There are a number of interstitial ad formats as we mentioned earlier. So, make sure the ad is displayed accordingly. If it is an image, then ensure the audio output produced by the app is paused. Audio can be resumed once the user is done interacting with the ad.

What’s Next?

Interstitial ads can capture the undivided attention of the user which is very important for publishers and advertisers. If implemented properly, the ad format can surely help the app publishers to communicate with their readers and deliver the messages efficiently. If you are a web publisher, just don’t do it. In case you have no other choice, you can implement prestitial ads without countdown only on desktop. Because as per Coalition of Better Ads, in desktop environments, prestitial ads that can be dismissed immediately did not fall beneath the Better Ads Standard for desktop.

Cover Image Source: Coalition of Better Ads.

Automatad Team

At Automatad, we help publishers to monetize better without hampering the user experience. Our products are live across hundreds of publishers, earning them incremental ad revenue with every passing second. You can request a free audit to get an estimated revenue uplift today.

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