What Is an ATS Score and How Is It Calculated?

An ATS score estimates how well an applicant tracking system can parse, understand, and rank your resume. It's a useful proxy for a real ATS's behavior, but it's important to understand what it actually measures — and what it can't — before you treat it as gospel.

What the score combines

A meaningful ATS score isn't a single number pulled from thin air — it's a weighted combination of several distinct checks, each measuring a different failure mode that real ATS platforms are known to penalize.

Keyword match (typically weighted most heavily, around 35%) measures how well your resume's language overlaps with a specific job description, or with common role-relevant terms when no job description is provided. This is the check most directly tied to whether a recruiter's keyword search or an ATS ranking algorithm will surface your resume at all.

ATS formatting (around 25%) flags structural risks: multi-column layouts, tables, excessive special characters, missing bullet structure, and very sparse extractable text — all signals that a real parser might scramble or drop parts of your resume.

Content quality (around 20%) looks at whether your experience reads as measurable accomplishments (numbers, percentages, strong action verbs) rather than a passive list of responsibilities, plus whether basic contact details, job titles, and employment dates are detectable.

Required sections (around 10%) checks for the presence of the sections both ATS templates and recruiters expect: summary, experience, education, skills, and — depending on the field — certifications, projects, achievements, or languages.

Readability (around 10%) measures sentence length, word count relative to your likely experience level, repeated phrasing, and use of weak or passive phrases like 'responsible for' or 'helped with'.

Why these weights, specifically

Keyword match and formatting are weighted highest because they're the two most common reasons a genuinely qualified resume never reaches a human: either the system can't find the right terms, or it can't extract the text cleanly in the first place. Content, sections, and readability matter — often decisively, once a human is reading — but they can't help you if the resume was never surfaced or parsed correctly to begin with.

What a good score looks like

A score above roughly 80 indicates a resume that's both structurally sound and well-matched to common ATS expectations. A score in the 60s or below usually points to a specific, fixable issue — often a missing section, weak keyword coverage, or a formatting choice like tables or columns that's likely scrambling the parsed text.

What the score can't tell you

No browser-based or third-party tool can perfectly replicate every real ATS platform's exact parsing and ranking logic — Workday, Greenhouse, Taleo, and others all behave slightly differently, and none publish their scoring algorithms. Treat any ATS score, including ours, as a strong directional signal and a way to catch common, well-documented mistakes — not a literal prediction of what a specific employer's system will output.

Our checker scores five categories — keyword match, ATS formatting, content quality, required sections, and readability — combines them into a single weighted score out of 100, and shows you exactly which matched and missing keywords, missing sections, and formatting issues drove that number, so you know precisely what to fix.