Canonical URLs should unify the entry promise

Duplicate URLs are not only a technical cleanliness issue. They split the first decision a reader makes about the page.

Useful for: SEO leads, indie product sites, AI tool directories

Google Search Central search interface emphasizing canonical entries and page presentation
Image source: Google Search.

Start with search evidence

When both .html and extensionless versions appear in discovery data, the page needs one clear primary entry point.

Align title, description, canonical URL, sitemap, and anchor text around the same reader job instead of letting two similar URLs compete.

Visibility is not demand

The useful question is not whether the page appeared somewhere; it is whether the search term, page promise, and next action fit the same reader job.

Check the page path

  • Use extensionless `about`, `ai-agent-workflow`, and archive URLs as the primary entry points to inspect
  • Keep the test narrow: one priority page with clear topic, source links, internal links, and a conversion action

What still needs proof

A split entry path keeps discovery from becoming a useful reading path. Keep the original source open so the announcement, the evidence, and this site's interpretation stay separate.

canonical URLentry pageSEO