Generate canonical link tags and validate URL format. Compare canonical vs current page URL to prevent duplicate content from parameters and variants.
Path match with current URL: Yes
<link rel="canonical" href="https://toolreign.com/finance/gst-calculator" />More free utilities you might find useful
Quick answers to common questions
A canonical tag (<link rel="canonical">) tells search engines which URL is the preferred version of a page when multiple URLs show similar content.
Use them for: HTTP/HTTPS duplicates, www vs non-www, URL parameters (utm, session IDs), paginated content, and print/mobile versions.
No. Canonical URLs should be clean — no query strings or hash fragments. Point to the definitive version of the page.
Yes. All processing is client-side.
Your data is processed entirely in your browser. Nothing is sent to any server.