After few hours to find a good age verification for free, here the list to get a free script for age verification for adult website or porn website :
Read all the comments in these threads, it will help you to find the best free age verification plugin for your website
PHP + Cookie : here
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ICRA label being officially abandoned, RTA is an alternative way to mark an adult site.
By affixing the label on your website, you help parental control software to protect minors.
The options below are available. It is unnecessary to use several at a time.
The RTA Label is a free service ...
Websites such as VideoSwiper.net help adult tube site owners to manage and boost their site's content by giving easier access to videos, images and files. They make the task of uploading, downloading and embedding adult videos to your site much easier.
If you want to start your own adult tube, ...