WWDC: Safari will block third-party trackers from following users around the web

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Among the announcements coming out of Apple’s WWDC developer conference is news that Safari will prevent cross-site tracking.

Apple Senior VP Craig Federighi said “intelligent tracking prevention” uses machine learning to keep trackers, namely ad trackers and third-party data trackers, from following users as they browse from site to site.

That browsing information data is routinely used for retargeting, interest and other behavioral ad targeting.

Ads themselves aren’t blocked, just the user’s previous browsing data. The move is “not about blocking ads — the web behaves as it always did, but your privacy is protected,” said Federighi.

We don’t have all the details yet, and we will update here if we learn more. The move again sets Safari apart from Google’s Chrome from a privacy perspective.

Federighi also said Safari will implement auto-play blocking to keep music and video from automatically playing when a page loads on websites.

About The Author

As Third Door Media’s paid media reporter, Ginny Marvin writes about paid online marketing topics including paid search, paid social, display and retargeting for Search Engine Land and Marketing Land. With more than 15 years of marketing experience, Ginny has held both in-house and agency management positions. She provides search marketing and demand generation advice for ecommerce companies and can be found on Twitter as @ginnymarvin.


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