Free ATS Resume Checker

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ATS Mechanics Explained

What is an ATS and How Does ATS Screening Work?

An Applicant Tracking System (ATS) is automated recruiting software used by over 98% of Fortune 500 companies and growing tech employers—including Greenhouse, Workday, Lever, Taleo, and SmartRecruiters.

When you submit a resume online, human recruiters do not read through hundreds of raw documents. Instead, the ATS parser ingests your file, strips out unformatted visual elements, indexes keywords, and computes an automated match percentage. Candidates with match scores below 75% are routinely archived into candidate databases without human review.

What Vaylo AI Checks in Your Resume

1. Keyword & Skill Matching

Identifies missing hard technical skills, tools, programming languages, and industry terminology required for your target job title.

2. Formatting & Parsing Traps

Flags multi-column tables, graphics, text boxes, non-standard section titles, and header/footer contact info that cause parsing errors.

3. Quantified Impact & X-Y-Z Bullets

Audits your work experience bullets for high-impact action verbs and measurable business results (%, $, users, scale metrics).

4. Anti-Keyword Stuffing Validation

Ensures keywords appear naturally in context to prevent spam penalties from modern AI parsers.

How to Boost Your ATS Score from 60% to 90%+

Use Single-Column Layouts: Keep text linear so ATS parsers never merge dates or company names across columns.

Use Standard Headings: Label sections Work Experience, Technical Skills, Projects, and Education.

Embed Google X-Y-Z Bullets: Frame accomplishments as "Accomplished [X], measured by [Y], by doing [Z]".