GlossarySEO
What is an orphan page?
Also called: orphaned page, orphan URL
Definition
An orphan page is a page on your site that no other page links to. Crawlers can only find it through a sitemap or external links, and it's usually crawled rarely and treated as unimportant.
Orphan page, explained
Google's link best practices say every page you care about should have a link from at least one other page on your site. Orphans break that rule. They're common on startup sites: old landing pages from a campaign, programmatic pages listed only in the sitemap, docs pages removed from the navigation but not deleted, or blog posts that dropped off the paginated archive.
The cost is that Google has little reason to think the page matters. A sitemap entry lets Google discover the URL, but it doesn't say anything about importance, and there's no anchor text to explain what the page is about. Orphans often end up in "Discovered – currently not indexed" or "Crawled – currently not indexed". Visitors can't find them either, except from search.
Finding them takes a comparison. Crawl your site from the homepage with an SEO crawler to get every linked URL, then compare that list against your sitemap, your CMS export or your analytics landing pages. URLs that appear in the second list but not the first are orphans.
Then decide per page. If it's valuable, link to it from its hub and from two or three related pages with descriptive anchors. If it's outdated, redirect it to the best replacement or return 404. If it only existed for a campaign and has no traffic or links, delete it. On programmatic sites, make linking part of generation: every page gets a hub and related links when it's created.
Why it matters for founders
Orphans are pages you paid to make and then hid. Linking them properly is often the fastest indexing win on a small site.
Example
Comparing your sitemap with a crawl shows 60 blog posts that nothing links to anymore because the archive only shows the latest 20. You add topic hubs and related-post links, and those posts start getting crawled again.
Common mistakes
- Assuming the sitemap alone is enough.
- Paginated archives as the only link to older posts.
- Removing pages from navigation without redirecting or relinking them.
- Generating programmatic pages without hub or related links.
Sources
Checked
Related terms
- Internal linkingInternal linking is linking from one page on your site to another page on the same site. It helps visitors and crawlers find pages and tells search engines which pages matter and what they're about.
- Crawl depthCrawl depth, or click depth, is how many clicks it takes to reach a page from the homepage by following links. Pages many clicks deep tend to be crawled less often and treated as less important.
- Site architectureSite architecture is how a website's pages are organized and linked: the hierarchy of sections, the URL structure and the internal links between them. Good architecture helps crawlers and people find every important page quickly.
- Discovered – currently not indexed"Discovered – currently not indexed" is a Search Console status meaning Google knows the URL exists but hasn't crawled it yet, typically because crawling it then was expected to overload the site.