Welcome to Domain Age Checker

Free SEO Tools for Better Rankings

Analyze your website, optimize for Google, and rank higher. All our tools are completely freeβ€”no signup required.

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Our Tools

Complete SEO Toolkit for Success

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On-Page SEO Analyzer

Analyze your page title, meta description, heading tags, and keyword density. Get a complete SEO score and actionable recommendations to optimize your on-page content.

  • Meta tag optimization check
  • Heading structure analysis
  • Keyword density calculator
  • SEO score 0-100
  • Downloadable report
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85/100

Example SEO Score

Metrics Checked:

βœ… Title: 52 chars
βœ… Description: 145 chars
βœ… H1 Tags: 1 found
βœ… Keyword: 1.5% density
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Content Quality Checker

Check your content's readability, grade level, and quality. Get Flesch Reading Ease scores, Flesch-Kincaid grade levels, and passive voice analysis for better engagement.

  • Flesch Reading Ease (0-100)
  • Flesch-Kincaid Grade Level
  • Passive voice detection
  • Sentence/paragraph analysis
  • Content quality score
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72/100

Quality Score

Readability Metrics:

βœ… Flesch: 68/100
βœ… Grade: 8th grade
βœ… Passive: 8%
βœ… Words: 1,200+
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Mobile SEO Checker

Test your website's mobile friendliness for Google mobile-first indexing. Check viewport settings, font sizes, tap targets, and responsive design compliance.

  • Viewport meta tag check
  • Font size validation (16px+)
  • Tap target size (44x44px)
  • Responsive design test
  • Mobile usability score
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92/100

Mobile Score

Mobile Checks:

βœ… Viewport: Proper
βœ… Font Size: 16px+
βœ… Tap Targets: 44x44
βœ… Responsive: Yes
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Heading Structure Analyzer

Check your page's H1 to H6 heading hierarchy for a proper SEO structure. Find missing H1 tags, skipped heading levels, and get suggestions to build a search friendly outline.

  • H1 to H6 hierarchy mapping
  • Missing heading detection
  • Skipped level warnings
  • Outline visualization
  • SEO structure score
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88/100

Structure Score

Heading Checks:

βœ… H1 Tags: 1 found
βœ… H2 Tags: 6 found
βœ… Hierarchy: Proper
βœ… Skipped Levels: None
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Keyword Density Checker

Find out how often your target keywords appear across your content. Spot over-optimization or thin keyword usage and balance density for natural, search friendly copy.

  • Single and multi-word keyword tracking
  • Density percentage breakdown
  • Keyword frequency count
  • Over-optimization alerts
  • Exportable keyword report
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3.2%

Top Keyword Density

Keyword Checks:

βœ… Primary Keyword: 3.2%
βœ… Secondary: 1.8%
βœ… Total Words: 950
βœ… Unique Keywords: 42
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Free Sitemap Checker

Validate your XML sitemap for errors, broken links, and missing pages. Make sure search engines can discover and crawl every important page on your site.

  • XML sitemap validation
  • Broken URL detection
  • Missing page alerts
  • Sitemap format check
  • Crawlability summary
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98/100

Sitemap Health

Sitemap Checks:

βœ… URLs Found: 156
βœ… Broken Links: 0
βœ… Format: Valid XML
βœ… Last Modified: Present
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Free Robots.txt Checker

Review your robots.txt file to confirm search engines can crawl the right pages. Catch accidental blocks that keep Google from indexing your content.

  • Syntax validation
  • Disallow rule detection
  • Sitemap reference check
  • User-agent breakdown
  • Crawl access summary
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Valid

Robots.txt Status

Robots.txt Checks:

βœ… Syntax: Valid
βœ… Disallow Rules: 3
βœ… Sitemap Listed: Yes
βœ… User-agents: 2
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Duplicate Content Checker

Scan your pages for duplicate or near-duplicate content that can hurt your rankings. Compare text blocks and get a uniqueness score before you publish.

  • Text similarity comparison
  • Duplicate paragraph detection
  • Uniqueness percentage
  • Internal duplication check
  • Plagiarism-style report
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96%

Content Uniqueness

Duplication Checks:

βœ… Unique Content: 96%
βœ… Duplicate Blocks: 1
βœ… Words Scanned: 1,450
βœ… Matches Found: 2
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Free Website Speed Tester

Measure your page load time and Core Web Vitals to see how fast your site really is. Get clear suggestions to speed up load times and improve user experience.

  • Page load time
  • Core Web Vitals check
  • Load speed grade
  • Performance bottleneck list
  • Speed improvement tips
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1.8s

Load Time

Speed Checks:

βœ… LCP: 1.8s
βœ… CLS: 0.02
βœ… FID: 12ms
βœ… Grade: A

Why Choose Us

Everything You Need to Rank Better

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Lightning Fast

Get instant results in seconds. Real-time analysis as you type with no waiting.

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Accurate Results

Industry-standard algorithms used by top SEO professionals worldwide.

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Detailed Reports

Download comprehensive reports with actionable recommendations.

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Privacy First

All analysis happens client-side. Your data is never stored or shared.

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Learn & Improve

Detailed explanations and best practices for each metric and recommendation.

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Always Free

No premium tiers. No ads. No limitations. Completely free forever.

Getting Started

How It Works

1️⃣

Choose a Tool

Select the tool you need from our complete SEO toolkit above.

2️⃣

Enter Your Data

Paste your URL, HTML, or content into the tool's input area.

3️⃣

Get Results

Instantly receive detailed analysis with scores and recommendations.

4️⃣

Take Action

Follow recommendations and download reports for future reference.

5️⃣

Rank Higher

Monitor improvements and watch your Google rankings improve.

SEO Knowledge

Learn SEO Best Practices

On-Page SEO 5 min read

Meta Tags Matter: Optimize Your Title and Description

Learn why page titles and meta descriptions are crucial for SEO ranking and click-through rates. Discover best practices for writing compelling titles and descriptions that drive traffic.

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Content 6 min read

Content Quality = Rankings: The Flesch Reading Ease Guide

Understand readability scores and why Google prefers content that's easy to read. Learn how to write content that engages readers and ranks higher in search results.

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Mobile SEO 7 min read

Mobile First Indexing: Why Your Site Must Be Mobile Friendly

Google now ranks based on mobile versions first. Learn what mobile-friendly means, how to test your site, and why viewport meta tags, font sizes, and tap targets matter for rankings.

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Ready to Rank Higher?

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