Because most tools check length and presence and stop. A title can be the right length, contain the keyword, and still fail to say anything a searcher wants.
The metadata audit checks each page's title and description against length limits and against the queries it earns.
The audit compares metadata against the cluster's queries and the page's own click rate. A page with high impressions and low CTR is flagged as a metadata problem rather than a ranking one.
A page at position six with four thousand impressions and eleven clicks has a title that does not match what people searched. The queries and the current title sit side by side.
It will not write the title. It shows what people searched and what the page currently promises; closing that gap is a writing job.
Length limits, duplication across pages, the cluster's queries, and the page's impressions-to-clicks ratio.
Yes, with the competing pages named.
Yes, since character counts mislead.
Change it and the timeline shows what followed.
Fourteen days, every module, no card. Or half an hour with someone who will run it on your own records and tell you where it does not help.