dbug app for iPhone and iPad

Examine CSS, selected HTML, doctype and header information on nearly any website, using a unique mobile interface.

Features:
•Expose the CSS rules webkit uses to display your webpage on iPhone and iPod touch.
•Select only the HTML you want to view within a web page.
•Traverse up and down the DOM visually.
•View the full header of a webpage.
•View the doctype of a webpage.
•Easy to read colorized HTML and CSS code.
•Share sampled code via email.
•Store bookmarks to sites you frequently want to examine.
•Collapsable headers in the code display window.
•Works in landscape and portrait view.
•Reposition bookmarks for a better workflow.

limitations:
-Unable to analyse cross domain CSS because of the same origin policy.
-Frames sites not supported at the present time.