According to a new report, there’s been a massive 49% surge in web traffic that publishers can’t measure—or make money from—over the past three years.
The study comes from adtech company Ad-Shield, which says it’s the first to take a deep dive into the growing phenomenon of “dark traffic.”
So, what exactly is dark traffic? In short, it’s page views that fly completely under the radar. These users are running ultra-strict ad blockers that shut down everything: on-site analytics, even ads that are normally allowed through, cookie consent banners, paywalls—you name it.
That’s different from the more common, softer ad blockers, which still let through basic analytics and some ads, just not the in-your-face kind.
Ad-Shield estimates there are 976 million people worldwide contributing to this invisible traffic—around 18% of all web traffic. Back in 2019, that number was closer to 590 million.
And the trend isn’t slowing down. By 2026, they’re predicting dark traffic will reach 1.1 billion users.
For publishers and marketers, that’s a lot of eyeballs slipping through the cracks.