RangeVoting.org is an advocacy site for range voting (also known as score voting), full of (sometimes bewilderingly academic) information arguing in favor of range voting and other ratings-based election methods.
RangeVoting.com is a brand-new-today site created by FairVote, an instant runoff (and other voting reforms) advocacy group, specifically for the purpose of mocking range voting and other voting methods that FairVote disagrees with.
I can't rouse anything other than disappointment over FairVote's blatant attempt to hijack the name "range voting" in such a search-engine-friendly way. It's sad how an organization, one that so often cries about its opponents being unfairly combative, would take such a low road to try and make its arguments seem more legitimate.
On the other hand, I guess it means range voting advocacy is making an impression. I often go to the trouble of checking the comments on pro-IRV editorials, and in the past I would always be the first to present any counter arguments or range voting advocacy. But recently, and more and more often, I find someone, or even two or three someones, have already beaten me too it. This new ".com" shows that FairVote feels that ignoring us is no longer an option.