The RTA Label: What It Is and Why You Should Add It
RTA stands for Restricted To Adults. It is a voluntary label that the owner of an adult site places in the page code so that parental control software can restrict access automatically.
How it works
A meta tag containing a strictly defined string is added to the page header. Filtering programmes and browser extensions look for exactly that string. Having found it, they block the page in a child profile — without analysing the content and without consulting any external database.
There is no verification: the system rests on good faith. The label is not certified by any organisation and requires no registration.
Why add it
- It reduces the risk of complaints: the site has plainly declared itself intended for adults
- It helps search engines classify the resource correctly rather than treat it as serving unexpected adult content
- Several affiliate networks and advertising systems require it as a condition of working
- It does not affect visibility to an adult audience
What the label does not do
It does not verify age. It does not block access by itself. It does not replace the entry warning required by law in some places. It is a signal to filters, not a restriction mechanism.
Accompanying elements
It is usually placed alongside a meta tag marking adult subject matter for search engines and, where the jurisdiction requires, an age confirmation page. The label and age verification solve different problems and do not substitute for each other.
What it costs
Nothing. Two lines in the page header, once, with no maintenance. One of the rare cases where doing the right thing costs neither money nor time.
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