With millions of apps for consumers to select from in popular app stores, many companies struggle to drive installs of their mobile apps.

Companies with websites frequently use interstitials in an effort to convert mobile web users into mobile app users, but according to Google, these efforts could come with significant risk.

At one point, the search giant employed a full-page interstitial to encourage mobile web Google+ users to download and install the company's Google+ app. On the surface, the results appeared to be good.

9% of visitors to the interstitial page clicked on a "Get App" button. But those clicks came at a cost. A whopping 69% of the visitors abandoned the Google+ experience when presented with the interstitial.

Google replaced the full-page interstitial with a Smart App Banner, which alleviated the drop-off caused by the interstitial, and ultimately retired the interstitial completely because it clearly wasn't capable of producing the intended effect.

Now, Google is sharing a message based on the lesson it learned: "we...hope that you will reconsider the use of promotional interstitials. Let’s remove friction and make the mobile web more useful and usable!"

Interstitials die hard

The user attrition Google saw with its interstitial probably won't come as a surprise to many. Interstitials are widely considered to be among the most annoying ad formats in use. So why do companies continue to use them to promote their mobile apps?

The significant costs of driving mobile app installs is one of them. For companies that have a mobile web experience, placing interstitials and other ads on owned mobile web experiences looks like a great free promotional strategy. But Google's experience highlights the fact that this strategy can be far from free.

Unfortunately, companies that only look at clicks and conversions will miss the attrition side of the equation and continue to market their mobile apps using ad formats that can be far more costly than anticipated.

Patricio Robles

Published 29 July, 2015 by Patricio Robles

Patricio Robles is a tech reporter at Econsultancy. Follow him on Twitter.

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Comments (2)

Pete Austin

Pete Austin, Founder and Author at Fresh Relevance

Good advice. (1) Interstitials are annoying and (2) Ads telling me to download an app instead of using a perfectly good website are annoying, because why would anyone do that? The two of them together are like a perfect storm of irritation, so I can see why a lot of people bounce.

about 3 years ago

Kris Hunt

Kris Hunt, Digital & CRM Manager at Capital & Regional

I believe Google also take the presence of interstitials into account in their search rankings. Maybe one of the SEO experts on here can confirm that?

I see more versions these days that are delayed, appearing after 10 seconds or so, in an attempt to only appear to those engaging with the page in some way, but the general feeling is always that they're slightly intrusive.

about 3 years ago

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