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Free SEO Content Checker Tool | Check Keyword Density & On-Page SEO

📅 Updated February 5, 2026
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SEO Content Checker

Optimize your on-page content for higher rankings in real-time.

0/60 chars
0/160 chars
0 Words
Optimization Score
0/100
Word Count
0
Keyword Density
0%
Keyword Count
0

How To Use This Tool

1. Enter Keyword

Type the main keyword you want to rank for.

2. Paste Content

Copy your title, meta description, and article body.

3. Analyze

Click the button to get instant density & length metrics.

Why Use This Checker?

Prevent Keyword Stuffing
Optimize Meta Tags
Check Content Length
Real-Time Analysis
100% Free & Private
Mobile Friendly

Frequently Asked Questions

What is a good keyword density?
Generally, a keyword density between 0.5% and 2.5% is considered safe and effective. Anything higher risks “keyword stuffing,” which can negatively impact your rankings.
Does this tool save my content?
No. All analysis happens locally in your browser (client-side). Your articles and data are never sent to our servers.
How long should my Meta Description be?
Google typically displays up to 155-160 characters. It is best to keep your description between 120 and 160 characters to ensure the full message is visible in search results.
Is word count a ranking factor?
Not directly, but longer content (1,000+ words) tends to rank better because it often covers topics more comprehensively. Aim for depth rather than just length.
Does checking this guarantee a #1 ranking?
No tool can guarantee rankings. However, ensuring your on-page elements (titles, density, length) are technically correct is a fundamental step in SEO strategy.

Optimize Your Content for Better Rankings

Writing high-quality content is only half the battle; ensuring it is optimized for search engines is the other. Our Free On-Page SEO Content Checker is designed to help content creators, bloggers, and SEO specialists instantly analyze their text for critical ranking factors before hitting publish.

Why Use an SEO Content Checker?

Search engines like Google use complex algorithms to understand the relevance and quality of a webpage. While we cannot control the algorithm, we can control the on-page signals we send to it. This tool bridges the gap between your writing and technical SEO requirements.

By analyzing your text against specific keyword targets, you ensure that your content speaks the same language as the search engine, increasing your chances of ranking for your target queries.

Key Features of This Tool

  • Keyword Density Analysis: Avoid the penalties of “keyword stuffing” while ensuring your focus keyword appears enough times to signal relevance. Our tool calculates the exact percentage of keyword usage.
  • Word Count Tracker: Length isn’t everything, but comprehensive content often wins. Track your word count to ensure you are meeting the standard for long-form or short-form content in your niche.
  • Meta Tag Optimization: Your Page Title and Meta Description are the first things a user sees in search results. This checker validates their length to prevent truncation in the SERPs (Search Engine Results Pages).
  • Privacy First: Unlike many server-side tools, this checker runs 100% in your browser. Your articles and drafts are never uploaded to our servers, ensuring your intellectual property remains private.

Understanding Keyword Density

Keyword density refers to the percentage of times a keyword or phrase appears on a web page compared to the total number of words on the page.

  • Too Low (Under 0.5%): Search engines may not understand that your page is about that specific topic.
  • Too High (Over 2.5%): This looks unnatural (spammy) to both readers and search engines, potentially leading to a ranking penalty.
  • The Sweet Spot: Aiming for a density between 0.5% and 2.5% generally signals strong relevance without sacrificing readability.

How to Optimize Your Content Workflow

  1. Draft: Write your content naturally first, focusing on user value.
  2. Input: Paste your draft, title, and intended meta description into the tool above.
  3. Refine: Adjust your keyword usage based on the density score. Shorten your titles if they exceed 60 characters.
  4. Publish: Upload your optimized content to your CMS with confidence.

Use this tool as a final quality control step in your content production pipeline to ensure every post is primed for organic traffic growth.

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Primary Keyword:

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Long-Tail Keywords:

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