How to disable the display of the site in the frame?

Question

Information Security

My sites are viewed by an "ill-wisher" in the frame of another site - designed for anonymous visits to the resource. Although anonymity is controversial, since only the URL of the page on which the visitor is located is hidden, I would still like to prohibit viewing sites in the frame.

Those. site characteristics: Apache/PHP 5.3

Answer 1

sv-igor.com/ru/javascript/81-script-framekiller.html
I haven't tried it myself. Try testing.

Answer 2

https://developer.mozilla.org/en-US/docs/HTTP/X-Fr...

Answer 3

if (window.top !== window) {
    // Do something
}