However, the analysis by the Times suggests this is not working and ads appear against content that violates Google's policies.
This boycott could possibly cost Google hundreds of millions of dollars. In this case, she said, the filters apparently failed.
After their ads appeared next to extremist content on YouTube, telecom companies AT&T and Verizon said they were going to pull their ads from the video site. "That's why we've been conducting an extensive review of our advertising policies and tools, and why we made a public commitment last week to put in place changes that would give brands more control over where their ads appear".
Range Rover said in an email it was suspending its YouTube campaign in South Africa while it investigates.
AT&T doesn't want its name showing up next to videos promoting intolerance and hate.
On Monday, Google apologised for the placement of ads on extremist content and pledged it would address the concerns.
Google did not immediately respond when reached for comment for this story.
'PizzaGate' Shooter Pleads Guilty In Conspiracy-Fueled Attack On DC Restaurant
Welch gave himself up to police after he did not find any evidence that the online theories were true. Welch says he was "self-investigating" false Internet rumors of a pedophile ring at the pizzeria.
Those brands were also unintentionally funding the content creators through YouTube's ad revenue share scheme.
The advertisers' discomfort highlights the reliance of Google and Facebook on automated software that maximizes volume to help them dominate online advertising.
The end result is that YouTube enjoys 400 hours of video uploaded every minute and 1 billion hours of video consumed every day, with around $11 billion in revenue past year.
The company also will establish a policy that lets advertisers escalate questions about the placement of their ads within a few hours. It is understood 250 companies have temporarily pulled ads.
He cited YouTube's recent move to expand auditing of YouTube's ad metrics as an example of how it was giving advertisers more transparency. "What we are doing is increasing the number of controls, so that as a brand, you can have even more restraints at every stage and have more control over where you can show your ads", he said. "Unless the bad press causes people to stop using Google services (unlikely), then our estimates should not be meaningfully impacted", Pacific Crest analyst Andy Hargreaves wrote in a research note. As of Thursday, Johnson & Johnson and J.P, Morgan said they also stopped their YouTube advertising, according to Reuters. The news comes days after a surge of United Kingdom organizations pulled their promotions from YouTube and Google's show advertisement arrange because of a report from The Times that referred to cases of United Kingdom government publicizing running over radical substance.
The continued negative headlines if "more advertisers come out against GOOGL" could be a "likely tactical headwind to GOOGL's stock performance and trading multiple", he warns.
Part of YouTube's appeal is its vast selection of videos.