typeface classfication

What's the best software/service for classifying fonts by height, ascender/descender, aperture, etc?

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Is there any font classification service (web page, app, book) that classifies fonts by x-height, ascender and descender lengths, stroke contrast, apertures and counters, besides the basic serif and sans-serif classifications? Also if if the font is made for heading, body, etc.

Classification for FF Blur?

Beside the obvious sans category, what classification would best suit FF Blur? Contemporary or "ambiguous" are all I can come up with. I'm working on list, and have not used "contemporary" yet, and don't want to. "Ambiguous" would not really be a classification, but more a lack thereof.

How 'bout: Blurry Neo-Grotesque?

Thanks!