microformats validators

general

• http://microformatique.com/optimus/
• Operator also does a good job of compliant parsing for microformats in general, the debug mode and option can often help find errors.

specific microformats

hCard

• http://hcard.geekhood.net/
• Also try the Technorati Contacts Feed service.
• The Cognition web service includes hCard error messages and warnings using EARL as part of the RDF output — hopefully other microformats will be covered in the near future.

hCalendar

• Try the Technorati Events Feed service.

related

• implementations

to do

See To Do - for all microformats).