Most ATS scoring tools give you a single number and leave you to guess why. A score is only useful if it tells you what to change.
A good ATS analysis should separate keyword matching from actual skill coverage u2014 a resume can be full of the right keywords and still not demonstrate the underlying skill, and the reverse is also true. It should point at specific missing sections (no quantified impact, no clear project ownership) rather than a vague "improve formatting" note. And it should compare against the actual job description you are applying to, not a generic template for the role title.
That is the same standard our AI Career Suite's ATS Scorer holds itself to u2014 you can try it directly against your own resume and a real job description from the Products page, no account needed.