Redirect only one time
<p>I have a site (landing) that when a user enter automatically goes to another site (its a simple redirect using window.location in the index.html).</p>

<p>The problem is when the user click in the back button on the browser, because when the user goes back, come back to the landing redirect, so the user returns be redirected.</p>

<p>How I can make this redirection only one time per user? </p>

<p>I do not know if it's important but the site (landing) is another domain that the domain of the redirection.</p>

<p>Thank you.</p>