The explicit tube site Pornhub is now blocked in 23 U.S. states.

This is due to age-verification laws. These laws vary state by state, but typically require visitors of a site with over a third of explicit content to submit a government ID or other form of age authentication. Louisiana was the first state to enact such a bill a couple of years ago, and now others have followed suit. In June, the Supreme Court deemed Texas's age-verification law constitutional, setting a precedent for such bills that come before and after.

According to one preliminary study, age verification won't work to keep minors off porn sites. This is because of software like VPNs that allow someone to appear to be in a different location, and because of non-compliant websites. (The Florida attorney general is suing foreign-based porn sites for not instituting age verification.) Yet, these laws keep getting passed — and are encroaching on non-explicit websites as well, experts told Mashable.

While Pornhub is not blocked in Louisiana, it is blocked in these states, a Pornhub representative confirmed to Mashable:

• Alabama

• Arizona

• Arkansas

• Florida

• Georgia

• Idaho

• Indiana

• Kansas

• Kentucky

• Mississippi

• Missouri

• Montana

• Nebraska

• North Carolina

• North Dakota

• Oklahoma

• South Carolina

• South Dakota

• Tennessee

• Texas

• Utah

• Virginia

• Wyoming

Pornhub isn't blocked in Ohio despite the state's age-verification law, due to a clause stating that establishing age verification methods doesn't apply to a provider of an interactive computer service (Aylo considers itself one).

In Louisiana, where users must submit ID to view Pornhub, the site has seen traffic decline by around 80 percent, Aylo (Pornhub's parent company) told Mashable.

"These people did not stop looking for porn. They just migrated to darker corners of the internet that don't ask users to verify age, that don't follow the law, that don't take user safety seriously, and that often don't even moderate content. In practice, the laws have just made the internet more dangerous for adults and children," Aylo stated when asked for comment by Mashable back in January.

In a statement to Mashable, Aylo continued:

First, to be clear, Aylo has publicly supported age verification of users for years, but we believe that any law to this effect must preserve user safety and privacy, and must effectively protect children from accessing content intended for adults.

Unfortunately, the way many jurisdictions worldwide have chosen to implement age verification is ineffective, haphazard, and dangerous. Any regulations that require hundreds of thousands of adult sites to collect significant amounts of highly sensitive personal information is putting user safety in jeopardy. Moreover, as experience has demonstrated, unless properly enforced, users will simply access non-compliant sites or find other methods of evading these laws.

Industry experts say that, in addition to not working for their intended purpose, age verification laws also raise concerns about privacy protection and safety since websites now have to host (even more of) people's personal information. It will be harder to be anonymous online, which experts warn is dangerous to free speech. Adult industry experts Mashable spoke to in an explainer on age-verification laws advocated for device-level filters, as did Aylo in its statement.

Some in the adult industry worry about what Trump's second presidential term will bring due to the conservative policy outline Project 2025 and its measures to ban porn. One of Project 2025's authors, Russell Vought, was caught on a secret recording stating that age-verification laws are the "back door" to a broader porn ban.