How do you hide links from search engine bots in ajax?

michaelr1988 · May 17, 2014

How do you hide links from search engine bots in ajax? I have 3 links in my footer that I want to be visible to visitors but hidden from search engine bots. Anyone can point me in the right direction of a easy to follow guide, been struggling with this for a couple of hours now.

Cheers.

madworld · May 17, 2014

By ajax I assume you mean JavaScript. You can get the user agent string from a visitor, but the problem is that not all crawlers/spiders use JavaScript. So the best option here is, if you can, to use something like the following PHP script:

Code:

<?php
function isUserBot() {
    $bots = array(
        'googlebot',
        'bing'
        // Whatever the other bots' user agents are
    );

    foreach ($bots as $bot) {  
        if (strstr(strtolower($_SERVER['HTTP_USER_AGENT']), $bot)) return true;
    }

  return false;
}
?>

And then just

Code:

<?php if (!isUserBot()) : ?>
<a href="#">Link 1</a> | <a href="#">Link 2</a> | ...
<?php endif; ?>

How do you hide links from search engine bots in ajax?

michaelr1988

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