Pornhub to restrict access for UK users from February
In October, Pornhub's parent company, Aylo, said the requirement had caused traffic to the website to fall by 77%.
It blames what it says is the "failure" of Online Safety Act (OSA) requirements for some sites to use age verification to stop children seeing pornography online.
Under the changes from 2 February, only people who have previously made a Pornhub account will be able to access its content.
Pornhub has announced it will restrict access to its website in the UK from February.
The regulator Ofcom said at the time tougher age checks were fulfilling their purpose of stopping children stumbling across inappropriate material.
The BBC has approached Ofcom for comment on Pornhub's announcement.
Pornhub remains the UK's largest porn platform, according to web tracker Similarweb.
But from 2 February, only those who have previously signed up for an account with the platform and gone through its age verification process will able to use it.
Alex Kekesi, head of community and brand at Pornhub's parent company Aylo, said in a statement it was a "difficult decision".
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