Frances Berriman wrote:
As for the actual VoteLinks - I wonder if when it comes down to it, it
would be good and interesting to see how much usage they're actually
getting. Rev is notoriously under-used and generally misunderstood (I
for one constantly swap the definitions of rev and rel and have to
double check each time).
The last time I looked at the usage of @rev on the web, I found that the
attribute was mostly filled with garbage. In general, the garbage was
generated by WYSIWYG tools and spammers; in either case, robots. Both
@rel and @class have a much better track record for being useful.
As for xFolk itself, I see that @class=~xfolkentry has about 10% the
number of hits that @class=~vcard has. (Interestingly, about 1% of the
people trying to use hCard put @class=~hcard.) For comparison, @rel=~tag
has about 5x the number of hits that hCard gets. (In this case, hit
means that at least one instance of that selector appeared in the
document, so a document with a single hCard and a document with hundreds
count the same in this analysis.)
Whether any of those are validly formed or unique are orthogonal
questions and would take a bit longer to answer.
This is all from the archive at Alexa --- my employer, whom I am not
speaking on behalf of --- and can be determined independently through
their Million Search Results service by using the ClassTag and RelTag
operators. (I am aware that those are oddly named; sorry.)
~ Derrick Pallas
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