Canonical Checker
Validate your canonical URLs.
What is the Canonical Checker?
The Canonical Checker is a free SEO tool that validates the canonical tag on any webpage. It helps you ensure that search engines know which version of a page is the 'master' copy, preventing duplicate content issues.
Performance breakdown
| Feature | Benefit | SEO Impact |
|---|---|---|
| Tag Validation | Ensure canonical exists | High |
| Duplicate Content | Prevent SEO penalties | High |
| Self-Referencing | Verify standard setup | Medium |
| Cross-Domain | Check syndication tags | Medium |
How It Works
Check tags in seconds.
Enter URL
Paste the page link you want to inspect.
Scan
Our tool fetches the page and looks for the tag.
Result
See if the tag is present and correct.
Why Canonical Tags Matter
Duplicate Content
They tell Google which page to rank when multiple pages have similar content.
Link Equity
They consolidate link signals from duplicate pages to the main one.
Crawl Budget
They help search engines spend less time crawling duplicate pages.
Syndication
They protect your original content when it's republished elsewhere.
Key Features
Simple validation.
Instant Check
Get results immediately.
Clear Status
Know if it's self-referencing or pointing elsewhere.
100% Free
Unlimited checks.
URL Display
See exactly where the tag points.
Error Detection
Find missing tags quickly.
No Sign-up
Start checking right away.
Why Use Grigora Tools?
Grigora provides a suite of free, high-quality SEO tools. Our Canonical Checker is designed to help you solve technical SEO issues.
What You Get
A simple status report.
Status
Self-referencing, Different, or Missing.
Canonical URL
The actual link found in the tag.
Recommendation
What to do based on the result.
Peace of Mind
Know your technical SEO is correct.
Who Is This For?
SEO Specialists
Audit technical SEO.
Web Developers
Verify implementation.
Content Managers
Check syndication.
Bloggers
Prevent duplicate content.
Agencies
Client audits.
Students
Learn about canonicals.
Common Problems Solved
Missing Tags
Identify pages without canonicals.
Wrong Targets
Find tags pointing to the wrong URL.
Duplicate Content
Fix issues before they hurt rankings.
Inconsistent URLs
Ensure HTTP/HTTPS consistency.
Why Choose Grigora for Audits
We offer a complete ecosystem of tools to support your website maintenance.
AI Integration
Smart tools that work for you.
SEO Focus
Tools designed with search rankings in mind.
User Experience
Clean, ad-free interfaces.
Community Driven
Tools built based on user feedback.
Performance
Lightning fast generation and loading.
Reliability
Always available when you need it.
Validate Your Tags
Enter URL
Paste the page link.
Scan
Wait for the check.
Review
See the status.
Frequently Asked Questions
Everything you need to know about the tool.
Still have questions?
Start building your optimized site and see results for yourself.