I'm in favor of short descriptions. The way I understand it, it helps work with MediaWiki better, and so makes the Wiki function better for readers. I'm not sure if it necessarily needs to be at the exclusion of laconic pages, though deduplication of text would be ideal.
SEO is important, though inferior to editorial concerns. If for no other reason than you want the right pages to come up when searching for content off site, and that a lot of SEO methods are also good for accessibility, site performance, etc.
SEO is important, though inferior to editorial concerns. If for no other reason than you want the right pages to come up when searching for content off site, and that a lot of SEO methods are also good for accessibility, site performance, etc.