According to a post on the Adblock Plus user forum, Yahoo appears to be blocking Yahoo mail users from accessing their inbox if they have AdBlocker installed.
Several users reported the same issue of trying to access their mailbox, and instead being met with a message that read:
Uh oh… We are unable to display Yahoo Mail. Please disable Ad Blocker to continue using Yahoo mail.
Ever been to a tech festival?
TNW Conference won best European Event 2016 for our festival vibe. See what's in store for 2017.
In a statement to the New York Times Bits Blog, Yahoo spokeswoman Anne Yeh had the following to say.
“At Yahoo, we are continually developing and testing new product experiences. This is a test we’re running for a small number of Yahoo Mail users in the U.S.”
Whether this test blossoms into something larger remains to be seen.
Ads are the primary source of revenue for publishers providing free content online and the popularity of newer mobile ad-blockers has renewed publishers’ concern in recent months over lost revenue.
The debate is ongoing, but until now we’ve mainly seen a shift in tactics by publishers as they moved to paywalls or native content to make up lost revenue.
With Yahoo being the first large company to start blocking key services that users rely on if they opt to use an ad-blocker, we may just be seeing the next wave of post-Adblock publishing.
Time will tell.
Read next: Why creativity should not be measured