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A lot can be done to help advocate the use of microformats. Often, simply by taking an existing site, and adding the suggested microformatting to a few of its pages as examples is all that is necessary to help the developers of the site add the microformats to the site itself. Applications, such as browsers, could also use some guidance on how to best support microformats.

Sometimes advocacy requires comparison and analysis of alternative technologies or approaches. As Mike Schinkel pointed out, we need good answers to comments like "No, we're going to use XYZ instead...".

The goal for this page is to include pointers for how to advocate microformats on new sites and on existing sites that are considering or using alternative approaches, as well as applications that can benefit from supporting microformats.

When contacting potential microformat users, you may wish to refer to some notable users.

For general resources for marketing microformats, see spread-microformats.

Adding Microformats to Existing Sites

Add sites here that you think would benefit from the addition of microformats. For now they are grouped by the microformat which would primarily benefit the site. Feel free to take a look at some of the sites on this list, document sample pages to be microformatted, add microformats to them, and then add the before/after of the key sections of mark-up to another wiki page for that site.

Successes are also noted; the most recent are flagged as Success!.

If your successes resulted from emails that you sent to site owners/developers, please consider sharing your successful advocacy emails on the advocacy-email-samples page, and along with each email sample, list the sites which responded positively to your email. This way others in the community can learn from your success and hopefully use your email samples to contact additional sites and get them to adopt microformats.


See hcard-advocacy


hCalendar could be used on these sites:

W3C track at WWW2006

Television listings

e.g. (please add other examples!):

Government hCalendar

UK Gov. hCalendar

Sports Fixtures

e.g. (please add other examples!):

Concert/ Theatre Listings

e.g. (please add other examples!):

Travel Industry

any travel site is based on calender type data! Airlines, Hotels etc. Sure it will be nice to get your reservation confirmation, but what about suppliers "syndicating" their product details that are calendar based? This would allow any other to mash-up supplier offerings. Sorry no examples... but I hope this will stimulate others to add some if the know them or just to make others think about possibilities.

iCal Share


Sites that host online calendars of different sorts, containing information from many different areas. (These could also make use of hCard, since they often contain contact information to a lot of different places.)


hReview could be used on these sites:

Government hReview

UK Gov. hReview

Wine Reviews

Similar to the following sites could very much benefit from being marked up with hReview:

Other hReview


hAtom could be used on these sites:

Government hAtom

UK Gov. hAtom

Other hAtom


Adding "Geo" markup (inside hCard where appropriate) to these sites would make them even more useful:


Routes and tracks

Sites which currently offer downloadable routes or tracks (as KML, GPX or similar files) could also offer a "view on-line" option, with the coordinates listed on a web page, marked-up with Geo (and hCard) microformats, which could then be parsed with whatever tool the user chooses.:


Adding "Adr" markup to these sites would make them even more useful:


Google as rel-tag namespace

A Google search for 'sparrow' resolves to, if not the unwieldy - likewise for ' "black redstart" '. If Google can be persuaded to also accept, say, and as being equivalent (and assuming that the latter term searches for ' "black redstart" ', with the quote marks), then Google would become a namespace for rel-tag. Andy Mabbett 00:15, 29 Nov 2006 (PST)




Pending a full-blown genealogy microformat, sites can be encouraged to use the existing XFN rel values for family members: "parent", "child", "sibling", "spouse" (with, of course, hCard). So could genealogy tools which generate family-tree web pages.

Multiple microformats

The following site(s) could benefit greatly from having multiple microformats added to their pages:

IT News sites

There is obviously a great deal of publicity to be gained, by having microformats used on sites about IT developments, which are likely to be read by people in a position to have microformats used, and microformat tools implemented, in their organisations. Please add to this list!

Other high-profile IT sites

Science + Technology

Adding Microformats to Applications

User-agents (browsers, etc.) should support microformats natively. For instance, a user should not need to use a third party application or web service to add address details or events from a microformat-using web page to their address book or calendar program.


In addition to the following, third-party developers should be encouraged to make their relevant browser add-ons microforamt aware; or to create new add-ons with microformat capabilities.


Firefox developments



Publishing Platforms





I am attempting to find out how best to incorporate microformats into the posting system, now that the programmers have removed XHTML from the posting interface. I've posted wrt this topic in the official forum; no response as of right now. --Carla 17:08, 8 Sep 2007 (PDT)

I did discover, however, how to change the existing BBCode (the shortcuts that are programmed in and present when you install phpBB) for <bold> and <italic> to <strong> and <em>, which I will be doing there's something, at least. :) --Carla 17:08, 8 Sep 2007 (PDT)


Semantic MediaWiki

Adding Microformats to Web Services




1296152892_20108bd860_d.jpg (click for larger version)



For successes on Wikipedia, see the list of Wikipedia templates generating microformats.

hCard Successes

See hcard-advocacy#Successes

hCalendar Successes

hReview successes

Geo Successes


hCalendar rejections

Geo rejections

Comparisons With Alternative Approaches


The CalDAV protocol should not be considered an 'alternative' approach as the two are not mutually exclusive. For more information, see:

Apple Support Tickets

Mailing List Threads

Microsoft Exchange Server

Exchnage Server info to be added.

See Also

advocacy was last modified: Wednesday, December 31st, 1969