Ẩn nội dung đối với khách từ Google

<h1>Title</h1>
 
<div id="ad_code_maven">
Internal visitor arriving from another Code-Maven page.
</div>
<div id="ad_others">
This is shown to people arriving from outside of th Code-Maven site.
</div>
 
 
 
<p>
Text.
</p>
 
 
<script>	
console.log(document.referrer);
console.log(document.referrer.split('/')[2]);
 
if (document.referrer.split('/')[2] === 'code-maven.com') { 
    document.getElementById('ad_code_maven').style.display = 'block'; 
    document.getElementById('ad_others').style.display = 'none'; 
} else {
    document.getElementById('ad_code_maven').style.display = 'none'; 
    document.getElementById('ad_others').style.display = 'block'; 
}
</script>

Nguồn: Show ads to visitors based on referrer using JavaScript only (code-maven.com)

Ví dụ với Code Vina

<script>	
console.log(document.referrer);
console.log(document.referrer.split('/')[2]);
 
if (document.referrer.split('/')[2] === 'google.com' || document.referrer.split('/')[2] === 'www.google.com' || document.referrer.split('/')[2] === 'google.com.vn' || document.referrer.split('/')[2] === 'www.google.com.vn') { 
    document.document.getElementsByClassName('codeanhien')[0].style.display = 'block'; 
} else {
    document.getElementsByClassName('codeanhien')[0].style.display='none';
}
</script>

 

Tags: code