Google refused to confirm the claims, saying “we do not comment on rumor or speculation.”

However, the technology company, which is owned by Alphabet Inc., said it had been working to explore new ways of improving the browsing experience for users.

“We’ve been working closely with the Coalition for Better Ads and industry trades to explore a multitude of ways Google and other members of the Coalition could support the Better Ads Standards,” a Google spokesperson told CNBC Thursday.

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