Google Study: Mobile PPC Ads Also Do Not Cannibalize Organic Traffic

mobile-phones-featuredGoogle released a new study as part of its series of analysis aimed at answering the perpetual question of whether PPC ads cannibalize organic traffic. You know the question: “If I’m already ranking, why should I pay for ads if they are just going to steal free clicks from my organic listings?”  This time, Google’s research focuses specifically on the impact of  mobile search ads on mobile organic traffic.

The study found that, on average, mobile ads provide an 88 percent lift in mobile search clicks — 88 percent of users that clicked on your mobile ad would not have clicked on your organic listing if your ads had been paused. In other words, mobile PPC ads don’t cannibalize your mobile organic traffic.

This finding is nearly identical to the original 2011 study that looked at all search traffic and found search ads offered an 89 percent lift in clicks.

Google conducted the Mobile Incremental Ad Clicks (IAC)  study for a year — from March 2012 to April 2013 — looking at 327 U.S. AdWords accounts across 12 verticals.

The research team looked for sharp changes in mobile ad spend and then analyzed the number of clicks that were gained or lost as a result of the change in spend.  It also looked at the change in organic traffic as a result of a drop in paid search spend and whether an advertiser’s organic traffic made up for the loss in paid clicks after a significant cut in ad spend.

Here is the average IAC by vertical:

Incremental Ad Clicks Mobile Search Google

Below is the more detailed extract from the full whitepaper that includes the number of studies (N) included in each vertical, the average IAC (Mean), standard deviation  and median IAC. The overall median IAC was 96 percent. According to the study, over 63 percent of the studies had an IAC value above 90 percent.

Incremental Ad Clicks Mobile Search by Vertical Google

It’s clearly no coincidence this white paper by Shaun Lysen, a quantitative marketing statistician at Google is being released in a post by Google’s head of global mobile search solutions as the automatic switch to enhanced campaigns is just 7 days away. However, that’s not reason to discount the study outright. It’s clearly a rigorous data analysis.

Unlike the 2011 study, the research team conducting the mobile ads research focused on search terms that had an organic listing on the first page and also adjusted for factors like seasonality.

Lysen notes that the study does not look at the incremental impact on conversions or revenue  and acknowledges that the exact organic position of the keyword among other factors can impact IAC, but holds that ”given the large volume of studies produced, across multiple industry verticals, our analysis does provide a reasonable cross section of expected IAC.”

When Google’s original “Search Ads Pause Studies” came out in 2011, Matt Van Wagner wrote an extensive post on Google and others’ research into the incremental impact of search ads which I highly recommend reading.

Related Topics: Channel: SEM | Google: AdWords | Google: AdWords: Enhanced Campaigns | Search Ads: Mobile Search | Stats: Search Behavior | Top News

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About The Author: writes about paid online marketing topics including paid search, paid social, display and retargeting. Beyond Search Engine Land, Ginny provides search marketing and demand generation advice for ecommerce companies. She can be found on Twitter as @ginnymarvin.

Connect with the author via: Email | Twitter



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