Check SEO Score for you website
Analyze your website's SEO health and get actionable insights
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About SEO Checker
The SEO Checker analyzes any webpage's on-page SEO factors and provides actionable recommendations. Check title tags, meta descriptions, heading structure, image alt text, canonical URLs, crawlability signals, and dozens of other technical SEO factors to improve your search engine rankings — get a comprehensive audit in seconds without expensive SEO software subscriptions.
Why On-Page SEO Audits Matter
On-page SEO is the foundation of search visibility. Even the best content won't rank if technical issues prevent search engines from properly crawling, understanding, and indexing your pages. Missing meta descriptions lose SERP real estate, duplicate H1 tags confuse content hierarchy, images without alt text miss image search opportunities, and missing canonical tags can split ranking signals across duplicate URLs. Regular audits catch these issues before they impact your rankings and traffic.
What Gets Analyzed
- Title tag — checks length (50–60 chars optimal), keyword presence, and uniqueness recommendations.
- Meta description — validates length (150–160 chars) and content quality for optimal SERP snippet display.
- Heading structure — verifies H1–H6 hierarchy, checks for missing or duplicate H1 tags, and heading order.
- Image optimization — checks for missing alt text, oversized images, and lazy loading implementation.
- Canonical & hreflang — validates canonical URLs and international targeting tags for multi-language sites.
- Crawlability — checks robots meta tags, noindex/nofollow directives, and sitemap references.
- Performance hints — identifies render-blocking resources, missing compression, and large assets.
How to Audit a Page
- Enter URL — type or paste the full URL of the page you want to analyze.
- Run analysis — click Analyze and wait for the checker to crawl and evaluate the page.
- Review results — examine results organized by category: passed checks (green), warnings (yellow), and errors (red).
- Fix issues — follow the actionable suggestions to resolve errors and warnings, starting with high-impact items.
Interpreting Your Results
Results are categorized by severity. Errors (red) are critical issues that likely impact rankings — missing title tags, noindex on important pages, broken canonical URLs. Warnings (yellow) are opportunities for improvement — title too long, missing meta description, images without alt text. Passed (green) confirms what you're doing right. Focus on fixing errors first, then address warnings. Re-run the checker after making changes to confirm the fixes.
Real-World Use Cases
- Auditing new pages before publishing to ensure all SEO best practices are met from day one.
- Diagnosing ranking drops by checking for technical SEO issues on affected pages after algorithm updates.
- Comparing your pages against competitor pages to identify SEO opportunities you may be missing.
- Running regular SEO health checks across key landing pages, product pages, and blog posts.
- Validating SEO fixes after a site migration, CMS update, or template change to catch regressions.
Frequently Asked Questions
Can I check pages behind a login?
No. The checker can only analyze publicly accessible pages that don't require authentication. For protected pages, review the HTML source manually.
Does this check mobile SEO?
Yes. The checker evaluates meta viewport tags, responsive design indicators, and mobile-specific elements as part of its analysis.
How often should I run SEO checks?
Run checks after publishing new content, making site changes, or at least monthly for your most important pages to maintain SEO health.
Does it check page speed?
The checker identifies performance-related issues like render-blocking resources, missing compression, and large assets. For detailed Core Web Vitals metrics, use Google PageSpeed Insights.
Can I check multiple pages at once?
Currently, the tool analyzes one URL at a time for detailed results. Check your most important pages individually for the most thorough audit.