Google claims it has halved the number of so-called “bad ads” being displayed across its services thanks to a combination of new technologies and improved detection methods to stop fraudulent services being offered.
In a blog post engineering chief Sridhar Ramaswamy said improvements in monitoring for sensitive keywords, enhanced scanning methods and a faster response rate to flagged adverts had all helped lead to the significant increase in the bad ads it is removing.
“In 2011, advertisers submitted billions of ads to Google, and of those, we disabled more than 130 million ads. And our systems continue to improve – in fact, in 2011 we reduced the percentage of bad ads by more than 50% compared with 2010,” he said.
“We’re also catching the vast majority of these scam ads before they ever appear on Google or on any of our partner networks. For example, in 2011, we shut down approximately 150,000 accounts for attempting to advertise counterfeit goods, and more than 95% of these accounts were discovered through our own detection efforts and risk models.”
He added that Google was continuing to look for ways to improve its ability to stop fraudulent adverts from being displayed, given the importance of ensuring it systems is trustworthy to its future success.
“We must remain vigilant because scammers will always try to find new ways to abuse our systems,” he said.
“Given the number of searches on Google and the number of legitimate businesses who rely on this system to reach users, our work to remove bad ads must be precise and at scale.”
Last year Google revealed it had removed almost 100,000 from its UK site at the request of the Office of Fair Trading.
This article was originally published on V3.
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