Auditing HTML for canonical implementation...
Analyzing...
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Tag Placement
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Tag Count
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How to use Canonical Tag Checker?
A canonical tag (rel="canonical") tells search engines that a specific URL represents the master copy of a page. Auditing this tag is vital to prevent duplicate content penalties.
- Get HTML: Go to the page you want to check, right-click and select "View Page Source" (or CTRL+U).
- Paste: Copy all the code and paste it into the analyzer box above.
- Analyze: Click "Check Canonical Tag".
- Result: Our tool will verify if the tag exists, if it is placed correctly in the
<head>section, and if there are multiple tags (which is an SEO error).
Key Features
Duplicate Detection
Ensures only one canonical tag exists, preventing search engine confusion.
Head Audit
Verifies if the tag is correctly located in the HTML header for proper crawling.
100% Private
All HTML parsing happens in your browser. We never upload your source code to our servers.
Frequently Asked Questions
What is a canonical tag?
A canonical tag is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical" or "preferred" version of a web page.
Where should the canonical tag be placed?
It must always be placed inside the
<head> section of your HTML. Placing it in the <body> will cause search engines like Google to ignore it.What happens if I have two canonical tags?
If a page contains multiple rel="canonical" tags, Google will likely ignore all of them, which can lead to improper indexing of your content.