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Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
Schemas
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Schemas

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  • 1. leo picadobackcountry.com
  • 2. 1. What’s behind all of this?2. The past3. The present4. When?5. Our competition6. Schemas identified7. How to test it?8. FAQ9. More info
  • 3. http://www.w3.org/TR/xhtml-rdfa-primer/» browser » user
  • 4. » Semantic Web (Web 3.0)» Help machines understand semantics semantics, yummy
  • 5. 1. RDFa2. Microformats
  • 6. » 2004: Mark Birbeck (W3C)» Part of XHTML 2.0» RDF in HTML attributes = RDFa» Attributes used: about, src, rel, rev, href, resource, property, content, datatype, typeof» Pros ˃ Publisher Independence ˃ Self Containment: HTML | RDFa» Cons ˃ XML based ˃ There is not a ‘standards body’ for formats ˃ A bit complex
  • 7. - div: - standard namespace - item being coded- span: title- span: author- span: date
  • 8. » 2007: Tantek Çelik, Dan Cederholm» ‘Support’ for both XHTML/HTML» Attributes used: class, rel, rev, id» Pros ˃ Simplicity» Cons ˃ Short list of elements (9 stable) ˃ Likes IDs! ˃ Accesibility issues http://bbc.co.uk/blogs/radiolabs/2008/06/removin g_microformats_from_bbc.shtml
  • 9. - div:- div: first name- div: organization name- div: telephone number- a: url
  • 10. » Microdata» schema.org
  • 11. » Part of the HTML5 spec» Delimited set of attributes: itemscope, itemtype, itemprop, itemref» Similar to RDFa’s take» Pros ˃ Publisher Independence ˃ Self Containment: HTML ˃ Attribute based ˃ Easy to implement» Cons ˃ Each site can use it’s own standards
  • 12. » Google, Bing and Yahoo!» Uses HTML5 spec» Wide range of schemas (611 as of 10/11’)» Easily Nestable» Thing based
  • 13. - div scope:movie- h1: name- div: director / scope:person - span: name - span: birthDate- span: genre- a: trailer
  • 14. » where it makes sense (think SEO)
  • 15. » REI is using schema.org» Altrec is using microformats» Sierra Trading Post is not using any.
  • 16. 1. Webpage2. WPHeader3. SiteNavigation4. Store
  • 17. 1. WPAdBlock2. Product3. AggregateRating4. Organization
  • 18. 1. AggregateOffer2. InStock3. ImageGallery
  • 19. 1. Review2. Person3. UserComments4. ImageObject5. VideoObject
  • 20. 1. WPAdBlock2. WPFooter3. SiteNavigation
  • 21. » Header: 4 | global» Content: 12» Footer: 3 | global» Total: 19
  • 22. » how deep? ˃ “more is better, except for hidden text”» missing/implicit information? ˃ “meta tag it”» working with dates ˃ use the html5 tag <time>» can an itemprop be also a itemscope? ˃ hell yeah
  • 23. » Google’s Rich Snippets Testing Tool ˃ http://google.com/webmasters/tools/richsnippets» Validator ˃ http://validator.nu/» Live Microdata ˃ http://foolip.org/microdatajs/live/
  • 24. » http://slideshare.net/fabien_gandon/rdfa-in-a- nutshell-v1» http://microformats.org/wiki/Main_Page» http://schema.org/docs/gs.html

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