Google announced the move to curtail full-page and auto-playing video ads, among others, last year.
The choice of which ads to block will be determined by the Coalition for Better Ads (CBA) - made up of companies including Google and Facebook.
Sites will have 30 days to remove disruptive ads before blocking begins.
A survey of 40,000 US and European web users found that the most intrusive ads were full-page ads that hide the content of a web page and flashing animated ads, according to a blog by Chris Bentzel at Google.
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