What does this offer that other job boards don't? The statistical ranges offered by say Glassdoor show you an estimate which is more than good enough for most c

What does this offer that other job boards don't? The statistical ranges offered by say Glassdoor show you an estimate which is more than good enough for most cases, as you should be negotiating your pay anyways. And the salary range on some of these listings is so massive that I can't say it provides me any information at all.