How to insert a form on the website below when you click on submit, not passed on to the referrer site?

Is it on one site (1)
<form action="https://3.ru/post.xml" method="post">
<input type="submit" value="Continue">


Do I put it on a different site (2), but when you click on submit the referrer is not passed on 3.ru or passed to the referrer of the website where the form was originally installed (1).
April 4th 20 at 13:28
1 answer
April 4th 20 at 13:30
on a simple level the HTML code not work

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