Comment 4 for bug 249151

I agree with everything you said. Was merely pointing out that the type of a page element affects how much attention it draws: the positioning of tags vs description is important, but also important is the fact that the description "looks like" dense, high-information content, whereas tags look like the sort of thing one can ignore at first. The skipover cost of tags is low, because it's fixed-size and looks like meta-information; the skipover cost of description is high, because it's variable size and looks like human-generated first-class content.

The worry expressed by Jamu, Martin, and me is that with description first, a reader might not even know that tags exist; whereas with tags first, readers are unlikely to mistakenly think that the description doesn't exist.