Mark Perkins offers a couple of projects to make the task a bit easier, especially on mobile devices.
Snoopy is a bookmarklet that lets you snoop on pages on mobile devices like the iPad (although it works on the desktop nicely, too). Simply add the script as a bookmark, navigate to your target page, and launch the bookmarklet. Here’s a screenshot of Snoopy snooping on the Modernizr web site.
Snoopy uses Sniffer under the hood, if you want to use the detection in a close-to-the-metal script form.
Sniffer will detect:
- Page info, including doctype and charset
- Popular CMS tools such as WordPress, Joomla, and MovableType
- Analytics packages from Google, Clicky, and others
- Typography toolkits like Cufon, TypeKit, sIFR, and Google’s Webfonts
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