microformats

Google Images has an option to filter images based on license. Each image on my site has a details page, where I have the following link to denote the license: <a rel="license" href="http://creativecommons.org/licenses/by/4.0/deed.en_US" target="_blank">CC-BY</a> It's a modified version of the sample code from Creative Commons - Choose a License . However, I see images that Google has indexed since I added this code do not appear when I select a license filter. You need to wrap it around a div with an about attribute. Here's an example that Google provides: <div about="image.jpg"> <img src=

I've done quite a bit of research but I can't understand the exact relationship between the 3. Also, now that W3C has officially recognised RDFa, would you recommend it over Microdata, taking into consideration that it matches Microdata's features and more? <sarcasm>I can't imagine what you find so confusing</sarcasm> (edit: these tags were invisible before) Very briefly: Microformats A way to use html pages as both a human readable document and machine readable data , without repetition (e.g. sticking CSV in the head element). RDF A data model designed for the web. Schemaless, uses URLs to

Is there any difference between using one of this technologies? I'm building now a site using HTML5, and I'm having hard time to decide which one of them to use. I cannot see any difference between them, else the syntax size, which I'm not quite sure is an advantage for the microformats side. cygri *Edit, May 2015: Times have changed... again . Schema.org seems the way to go, using either microdata (W3C note) or RDFa (W3C recommendation), where the RDFa Lite variant is easiest to learn. Meanwhile recently Microformats released a new version as well, which nobody is paying attention to

While doing the HTML for my new template, I stumbled across a new meta tag <link rel="profile" href="http://gmpg.org/xfn/11" /> What's this for? I found it linking to this page , and through Google I found this Microformat but I didn't get it. unor In HTML 4.01, there is the profile attribute for the head element: This attribute specifies the location of one or more meta data profiles, separated by white space. For future extensions, user agents should consider the value to be a list even though this specification only considers the first URI to be significant. It is used to link to meta data

I want to suppress the web browser's default tooltip display when a user hovers over certain links and elements. I know it's possible but I don't know how. Can anyone help? The reason for this is to suppress the tooltip for microformatted date-times. The BBC dropped support for hCalendar because the appearane of the machine-readable date was an accessibility issue for those with cognitive disabilities aswell as some screen reader users. http://www.bbc.co.uk/blogs/bbcinternet/2008/07/why_the_bbc_removed_microforma.html EDIT: I whipped up a jquery plugin along the same lines as Aron's suggestion