Check if a canonical tag is set to prevent duplicate content issues and consolidate link equity.
Type the URL of the page you want to audit, including https://. The tool fetches the page and reads its canonical tag.
Click Check. The tool retrieves the canonical URL and evaluates whether it is correctly set.
The tool reports the canonical URL, whether it points to the correct page, and flags issues like missing canonicals, self-referencing problems, or canonicals pointing to redirect chains.
Set the canonical tag in your page HTML or CMS to point to the preferred URL — this tells search engines which version of a page to index and prevents duplicate content issues.
The Canonical Tag Checker is part of LaiUse's growing collection of seo tools, meta tags, sitemap, search engine optimization. Like every tool on LaiUse, it runs entirely in your browser — meaning your data, files, and inputs stay on your device throughout the entire process.
LaiUse offers SEO tools alongside open graph generator, title tag checker, google search preview. The entire platform is free to use with no signup required, making it a popular choice for developers, designers, and everyday users who need a quick tool without the overhead of a SaaS subscription.
Whether you need the canonical tag checker for a one-off task or as part of your regular workflow, LaiUse is designed to be fast, reliable, and private. Bookmark this page to come back anytime, or explore the rest of the SEO category for related tools.
Yes. LaiUse is free to use without an account. Most tools have no limits and run entirely in your browser. AI and server-side tools require a Pro subscription.
No. All free tools work without an account. You can sign up to earn rewards, request new tools, and access Pro features.
Yes. Browser-based tools process everything locally on your device — your files and data never leave your computer. Server-side tools are clearly marked.