Canonical Checker — CrawlNFix

Canonical declarations, URL syntax and available target evidence. A canonical is a preference signal. The correct preferred URL depends on the website.

How to use this tool

Canonical declarations, URL syntax and available target evidence.

  1. Enter the relevant public URL or supported saved content.
  2. Inspect the returned evidence and its scope.
  3. Review the suggested manual steps, apply your change and retest.

Measurement scope

A canonical is a preference signal. The correct preferred URL depends on the website.

Detailed explanation and comparison

Canonical URLs Explained: Common Problems and Fixes

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