ATS Score Explained: What It Is and How to Improve Yours

What is an ATS Score?

An ATS (Applicant Tracking System) score is a numerical rating that indicates how well your resume matches a specific job posting. This score is used by recruiting software to rank candidates and determine which applications should be reviewed by human recruiters.

Key Points:

• ATS scores typically range from 0-100%
• Scores above 80% generally pass to human review
• Each company may use different ATS software with varying algorithms
• Your score changes based on the job you're applying to

How ATS Systems Calculate Your Score

Primary Scoring Factors

1. Keyword Match (40-50% of score)

The most heavily weighted factor. ATS compares words and phrases in your resume against the job description:

Exact Matches:

• Job title matches (e.g., "Software Engineer")
• Skill matches (e.g., "Python", "Project Management")
• Certification matches (e.g., "PMP", "AWS Certified")

Semantic Matches:

• Related terms (e.g., "managed" ↔ "led" ↔ "supervised")
• Industry synonyms (e.g., "UX" ↔ "User Experience")
• Skill variations (e.g., "JavaScript" ↔ "JS" ↔ "ECMAScript")

2. Skills Section Analysis (15-20% of score)

ATS gives special attention to dedicated skills sections:

• Hard skills (technical abilities)
• Soft skills (interpersonal abilities)
• Tools and software
• Certifications and licenses

3. Experience Relevance (20-25% of score)

Evaluated based on:

• Years of experience matching requirements
• Relevance of previous job titles
• Industry alignment
• Seniority level match

4. Education Match (10-15% of score)

Factors include:

• Degree level requirements met
• Field of study relevance
• Institution recognition
• Recent graduation (for entry-level)

5. Formatting Compliance (5-10% of score)

Technical parsing success:

• File format compatibility
• Section header recognition
• Contact information extraction
• Date parsing accuracy

Score Calculation Example

Job Requirement: Senior Python Developer with 5+ years experience, AWS certification preferred

Candidate Resume Analysis:

Understanding Score Ranges

90-100%: Excellent Match

• Strong keyword alignment
• Meets or exceeds experience requirements
• Relevant education and certifications
• Highly likely to reach human review

75-89%: Good Match

• Most keywords present
• Close to experience requirements
• Minor gaps or formatting issues
• Usually passes initial screening

60-74%: Moderate Match

• Some keyword gaps
• May miss experience threshold
• Could use optimization
• May or may not pass screening

Below 60%: Poor Match

• Significant keyword misses
• Experience or qualification gaps
• Formatting issues possible
• Unlikely to pass ATS screening

Components of Your ATS Score

1. Keyword Density

How frequently important terms appear:

Too Low: Keywords mentioned once may not register strongly

Optimal: Keywords appear 2-3 times in relevant contexts

Too High: Keyword stuffing can flag your resume negatively

Example - Software Engineer:

• "Python" appears in Skills, 2 experience bullet points (3x = good)
• "developed" appears throughout experience section (natural frequency)
• "software engineering" appears in title and summary (2x = appropriate)

2. Contextual Relevance

Keywords must appear in appropriate context:

Good Context:

"Developed Python applications for data processing, handling 1M+ daily transactions"

Poor Context:

"Skills: Python, Java, C++, Ruby, Go, Rust, COBOL" (list without context)

3. Recency Weighting

Many ATS systems weight recent experience more heavily:

• Last 5 years: 100% weight
• 5-10 years: 75% weight
• 10+ years: 50% weight

This means focusing your optimization efforts on recent roles has more impact.

4. Title Matching

Job title alignment matters significantly:

Strong Match:

Job Posting: "Senior Software Engineer"

Your Title: "Senior Software Engineer" or "Lead Software Developer"

Weak Match:

Job Posting: "Senior Software Engineer"

Your Title: "Technical Consultant" (even if duties were similar)

Common ATS Score Killers

1. Missing Critical Keywords

Problem: Using different terminology than the job posting

Fix: Mirror exact phrases when accurate

• Job says "project management" → don't use "PM" alone
• Job says "cross-functional collaboration" → use that exact phrase

2. Poor Formatting

Problems that hurt parsing:

• Tables and columns
• Text boxes
• Headers and footers containing key info
• Images and graphics
• Unusual fonts

Fix: Use simple, clean formatting with standard fonts

3. Incorrect File Format

Problem: Some ATS can't read certain formats

Safe Choices:

• .docx (most universally compatible)
• .pdf (modern ATS handle this well)

Avoid:

• .pages
• .odt
• Scanned image PDFs

4. Acronyms Without Full Terms

Problem: ATS might search for either acronym or full term

Fix: Include both

• "Search Engine Optimization (SEO)"
• "Customer Relationship Management (CRM)"
• "Project Management Professional (PMP)"

5. Non-Standard Section Headers

Problem: Creative headers confuse parsing

Examples:

• "Where I've Made Impact" → Use "Work Experience"
• "My Toolkit" → Use "Skills"
• "What I Studied" → Use "Education"

How to Check Your ATS Score

Method 1: Online ATS Scanners

Tools that analyze your resume against job descriptions, including an ATS-focused resume builder workflow:

What They Check:

• Keyword presence and frequency
• Formatting compatibility
• Section recognition
• Overall match percentage

Limitations:

• Each tool uses different algorithms
• Real ATS systems vary significantly
• Score is estimate, not guarantee

Method 2: Manual Analysis

Step 1: Create a keyword list from the job posting

Step 2: Ctrl+F each keyword in your resume

Step 3: Count matches and note missing terms

Step 4: Calculate approximate match percentage

Method 3: AI-Powered Analysis

Modern tools like ResumeZeus provide:

• Instant score calculation
• Specific keyword gap identification
• Actionable improvement suggestions
• Real-time score updates as you edit

Strategies to Improve Your ATS Score

Quick Wins (Immediate Impact)

1. Add Missing Keywords

• Identify gaps between your resume and job posting
• Incorporate naturally into relevant sections

2. Optimize Skills Section

• Add all relevant skills from the job posting
• Include both acronyms and full terms

3. Fix Formatting Issues

• Remove tables and text boxes
• Use standard section headers
• Ensure consistent date formatting

Medium-Term Improvements

4. Strengthen Experience Bullets

• Rewrite to include target keywords
• Add quantifiable achievements
• Use action verbs that match the posting

5. Tailor Your Summary

• Include key job title
• Mirror important qualifications
• Mention critical skills

6. Add Relevant Sections

• Certifications section if job requires them
• Projects section for technical roles
• Publications for academic positions

Long-Term Strategies

7. Build Missing Skills

• Take courses for required skills you lack
• Earn certifications mentioned in target jobs
• Gain experience through projects or volunteering

8. Develop Industry Knowledge

• Learn terminology in your target field
• Stay current with industry trends
• Understand what employers value

ATS Score FAQs

Q: Is there a universal "good" ATS score?

A: Generally, scores above 75% have a good chance of passing screening, but this varies by company and how competitive the role is.

Q: Should I optimize for ATS or human readers?

A: Both! A well-optimized resume should be ATS-compatible while still compelling for human reviewers.

Q: Does the same resume score differently on different ATS systems?

A: Yes. Taleo, Workday, Greenhouse, and other systems use different algorithms. Focus on general best practices rather than gaming specific systems.

Q: Can I have a high ATS score but still not get an interview?

A: Yes. ATS score is one factor. Recruiters also consider:

• Overall qualifications
• Cultural fit indicators
• Application completeness
• Competition from other candidates

Q: How often should I check my ATS score?

A: For each tailored version of your resume, especially when applying to important positions.

Q: Do internal applications go through ATS?

A: Many do. Even internal candidates should optimize their resumes for ATS.

ATS Score Optimization Checklist

Before each application, verify:

Keywords:

• ☐ All critical keywords from job posting included
• ☐ Keywords appear in appropriate context
• ☐ Both acronyms and full terms used
• ☐ Job title matches or closely relates

Formatting:

• ☐ Using .docx or .pdf format
• ☐ No tables, text boxes, or columns
• ☐ Standard section headers
• ☐ Contact info NOT in header/footer
• ☐ Standard fonts (Arial, Calibri, Times New Roman)

Content:

• ☐ Skills section includes required skills
• ☐ Experience bullets use job posting language
• ☐ Summary tailored to this role
• ☐ Education section complete
• ☐ Relevant certifications listed

Technical:

• ☐ File opens without errors
• ☐ No special characters causing issues
• ☐ Consistent date formatting
• ☐ No embedded images

Conclusion

Your ATS score is a critical first hurdle in the modern job search. Understanding how it's calculated—and taking strategic steps to improve it—can dramatically increase your chances of getting your resume in front of human decision-makers.

Remember:

• Different jobs mean different scores for the same resume
• Tailoring is essential for optimization
• ATS optimization and human appeal can coexist
• Tools can help, but understanding matters more

Ready to check and improve your ATS score? Use ResumeZeus's built-in ATS analyzer to get your score, identify gaps, and receive AI-powered suggestions for improvement.