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@apphp-snippets
Created February 11, 2013 08:38
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This script informs your visitor that a given page may be reached only from the page that you specify. Paste this code before the ending <head> tag on the page:
<!-- source: http://www.apphp.com/index.php?snippet=javascript-specify-referring-page -->
<script type="text/javascript">
var allowed_referrer = "http://www.yourdomain.com/referring_page_name.html";
if(document.referrer.indexOf(allowed_referrer) == -1){
alert("You can access this page only from " + allowed_referrer);
window.location = allowed_referrer;
}
</script>
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