Microformats, RDFa and microdata are different ways of annotating HTML documents with metadata. What is the difference and why do we need them all? Organizations such as Google, The Associated Press and Yahoo all have their opinions about metadata. Where is this all going?
Questions Answered:
What are microformats, RDFa, and microdata?
What are their unique advantages?
How much are they used?
To what extent are they compatible?
How is a poor website owner to choose?
I've marked up my site with one or the other... what happens then?
Are these formats all needed? Can't you guys just get along?
Level:
Intermediate
Category:
Content, Information Architecture, New Technology / Next Generation