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How to Interpret Resume Readability Reports – Guide

Posted on October 07, 2025
Jane Smith
Career & Resume Expert
Jane Smith
Career & Resume Expert

how to interpret resume readability reports

When you upload your CV to an applicant tracking system (ATS) or a career‑coaching platform, you often receive a resume readability report. This document breaks down how easy—or difficult—your resume is for both machines and human eyes to understand. In this guide we’ll walk through every section of a typical readability report, explain the key metrics, and give you a step‑by‑step action plan to turn those numbers into a stronger, more hire‑worthy resume.


Why Resume Readability Matters

Recruiters spend an average of 6 seconds scanning each resume — according to a study by TheLadders source. If your document is cluttered, jargon‑heavy, or written at a college‑level reading grade, you risk being filtered out before a human even sees it. Moreover, most modern ATS use natural‑language processing (NLP) algorithms that favor clear, concise language. A high readability score correlates with:

  • Higher ATS pass rates (up to 30 % improvement in some industries) — see the ATS Resume Checker.
  • Better recruiter engagement – clear resumes get more callbacks.
  • Improved self‑branding – a readable CV tells a coherent story.

Understanding the report lets you pinpoint exactly where your resume is losing points and gives you a roadmap for quick, measurable upgrades.


Understanding the Core Metrics

Most readability tools break the analysis into a handful of standard metrics. Below is a quick glossary of the most common terms you’ll encounter. Bolded terms are the definitions you’ll need to remember.

Metric What It Measures Why It Matters
Reading Grade Level The U.S. school grade required to comfortably read the text (e.g., 8th grade). Recruiters prefer 8‑12th grade level; higher grades can signal dense language.
Flesch‑Kincaid Score A numeric score derived from sentence length and word syllables. Higher scores = easier reading. Scores above 60 are generally good for resumes.
Average Sentence Length Number of words per sentence on average. Shorter sentences improve scan‑ability; aim for 12‑15 words.
Passive Voice Ratio Percentage of sentences written in passive voice. Passive voice can obscure achievements; keep under 10 %.
Buzzword Density Frequency of overused industry clichés (e.g., "team player", "synergy"). Excessive buzzwords lower uniqueness and may trigger ATS filters.
Keyword Match Rate How many job‑specific keywords from a posting appear in your resume. Directly impacts ATS relevance; target 70‑80 % match.
Readability Index (overall) Composite score combining the above factors. Provides a single, easy‑to‑track number (0‑100).

When you open a resume readability report on Resumly, you’ll see these metrics visualized with traffic‑light colors (green = good, yellow = needs work, red = critical). The next sections show how to translate each color into concrete edits.


Step‑by‑Step Guide to Reading Your Report

  1. Locate the Overall Readability Index – This is the headline number. If it’s below 50, treat the report as a red flag.
  2. Check the Grade Level – Aim for 8‑12. If you see “College” or “Graduate”, you need to simplify language.
  3. Scan the Passive Voice Ratio – Highlight any sentences flagged as passive; rewrite them in active voice (e.g., "Managed a team" instead of "Was responsible for managing a team").
  4. Review Buzzword Density – Identify overused terms. Replace them with concrete results (e.g., replace "team player" with "collaborated with cross‑functional teams to deliver $2M project").
  5. Compare Keyword Match Rate – Pull the job description you’re targeting, then see which keywords are missing. Add them naturally throughout the resume.
  6. Analyze Sentence Length – If the average exceeds 15 words, break long sentences into bullet points or shorter statements.
  7. Take Action on the Heatmap – Many tools (including Resumly’s) highlight specific sections (summary, experience, skills) that drag the score down. Prioritize edits in red‑flagged zones.
  8. Run a Second Check – After editing, re‑upload to the Resume Readability Test (link) to confirm improvement.

By following these eight steps you turn a static report into a dynamic improvement loop.


Checklist: Boost Your Readability Score

  • Simplify language – Replace complex words with plain alternatives.
  • Use bullet points for achievements; keep each bullet under 2 lines.
  • Add quantifiable results – numbers make statements concrete and improve keyword relevance.
  • Eliminate filler adjectives (e.g., "dynamic", "innovative").
  • Swap passive verbs for active ones.
  • Insert target keywords from the job posting.
  • Limit buzzwords – keep them under 5 % of total words.
  • Maintain consistent formatting – same font, size, and spacing throughout.
  • Proofread for spelling/grammar – errors drastically lower readability.
  • Run the final version through Resumly’s AI Resume Builder (link) for a polished layout.

Do’s and Don’ts

Do Don't
Do keep sentences short and action‑oriented. Don’t use long, winding paragraphs that hide achievements.
Do use numbers, percentages, and dates to quantify impact. Don’t rely on vague statements like "responsible for" without context.
Do tailor the resume for each application, matching keywords. Don’t copy‑paste a generic resume for every job.
Do run the document through an ATS checker before sending. Don’t ignore the ATS score; a low score often means your resume won’t be seen.
Do use a clean, ATS‑friendly template (Resumly’s templates are optimized). Don’t use graphics, tables, or text boxes that ATS can’t read.

Real‑World Example

Below is a simplified excerpt from a fictional candidate’s readability report and how we improved it.

Original Summary (Score: 42, Grade: College, Passive: 15 %)

"A highly motivated professional with a proven track record of delivering results in fast‑paced environments. Responsibilities included managing cross‑functional teams and ensuring project milestones were met. Recognized for strong communication skills and a collaborative approach."

Interpretation

  • Grade level is too high (College).
  • Passive voice appears in "Responsibilities included managing".
  • Buzzwords: "highly motivated", "strong communication skills", "collaborative approach".

Rewritten Summary (Score: 78, Grade: 9th, Passive: 0 %)

"Delivered $3M revenue growth by leading a 5‑person cross‑functional team to launch three products in 12 months. Streamlined project timelines, cutting delivery time by 20 % and earning the 2023 Innovation Award."

What changed?

  • Replaced vague adjectives with concrete results.
  • Switched to active voice.
  • Reduced sentence length and eliminated buzzwords.
  • Added quantifiable metrics, boosting keyword relevance.

Running the revised version through the Resume Readability Test shows a jump from 42 to 78, moving the resume from the red zone to green.


Integrating Resumly Tools for Ongoing Success

Resumly offers a suite of free and premium tools that make the readability loop effortless:

By combining the readability report with these tools, you create a feedback loop: edit → test → refine → test again. The result is a continuously optimized resume that adapts to each new job posting.


Frequently Asked Questions

1. What is a good readability score for a resume?

Aim for 70 + on a 0‑100 scale. Scores above 80 indicate excellent clarity and ATS compatibility.

2. Does a lower grade level make my resume look unprofessional?

Not at all. A 8‑12th grade level is ideal because it balances simplicity with professionalism. Recruiters prefer concise language over academic prose.

3. How often should I re‑run the readability test?

After every major edit, and before each job application. Even small tweaks (like adding a keyword) can shift the score.

4. Can I use the readability report for LinkedIn profiles?

Yes. The same principles apply. Use Resumly’s LinkedIn Profile Generator to align your profile with readability best practices.

5. Are there industry‑specific readability benchmarks?\n> Tech and finance roles often tolerate slightly higher grade levels due to technical jargon, but staying under 12th grade is still recommended.

6. Will removing all buzzwords hurt my chances?

No. Replace buzzwords with specific achievements. For example, swap "team player" with "collaborated with design, engineering, and marketing to launch a product that generated $500K revenue".

7. How does the readability score affect interview invitations?

A higher score improves ATS pass rates, which directly increases the pool of recruiters who see your resume—leading to more interview calls.

8. Is the readability report the same as an ATS score?

They overlap but are not identical. The readability report focuses on human‑readability metrics, while an ATS score evaluates keyword matching and formatting compatibility. Use both for a comprehensive view.


Final Thoughts

How to interpret resume readability reports is no longer a mystery. By understanding the core metrics, following a systematic review process, and leveraging Resumly’s AI‑powered tools, you can transform a low‑scoring CV into a high‑impact, recruiter‑friendly document. Remember to keep language clear, quantify results, and continuously test after each edit. Your next interview could be just one readability boost away.

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