History

If you need to show a different colors of visited link, you can use :visited CSS selector:

For security/privacy reasons this property can work only with:

Furthermore, you must set this option for both with and without :visited to make it work.
For more information click here: Mozilla: Privacy and the :visited selector

Javascript API

For advanced history management, you can use this JavaScript function that tells you if link has been visited or not:

Complete Example

<html>
<head>
	<title>AppDeck</title>
	<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
	<meta name="viewport" content="width=device-width">
	
	
	<script type="text/javascript" src="//appdata.static.appdeck.mobi/js/fastclick.js"></script>
	<script type="text/javascript" src="//appdata.static.appdeck.mobi/js/appdeck.js"></script>

<h1>Catch Link</h1>

<p>If you click on this button, instead of pushing a new page, page will be loaded in this window</p>

</div>

</div>

</body>
</html>