Calculator Inputs
Plotly Visualization
The chart compares linked coverage, confirmed orphan counts, and extra orphan signals from sitemap, analytics, and index sources.
Example Data Table
| URL | Inlinks | Sessions | Indexed | In Sitemap | Clicks | Likely Orphan? |
|---|---|---|---|---|---|---|
| /blog/seo-audit-checklist | 0 | 34 | Yes | Yes | 11 | Yes |
| /resources/old-pricing-guide | 1 | 8 | Yes | No | 2 | Yes |
| /blog/internal-linking-tips | 7 | 92 | Yes | Yes | 18 | No |
Formula Used
Confirmed Orphans = Total Known URLs − Internally Linked URLs
Discovered Orphan Signals = Sitemap-only URLs + Analytics-only URLs + Index-only URLs
Estimated Unique Orphans = higher of confirmed orphans and adjusted signal-based estimate
Orphan Rate (%) = (Estimated Unique Orphans ÷ Total Known URLs) × 100
Linked Coverage (%) = (Internally Linked URLs ÷ Total Known URLs) × 100
Discovery Gap (%) = (Discovered Orphan Signals ÷ Total Known URLs) × 100
Batch Orphan Rule = page is counted when known by signals and its inlinks are less than or equal to the threshold
Risk Score uses weighted points from inlinks, index presence, sitemap presence, sessions, and clicks, capped at 100.
How to Use This Calculator
- Enter the total number of known URLs collected from crawl, sitemap, analytics, and index exports.
- Add how many URLs currently receive internal links from your crawl or site graph.
- Fill in counts for pages seen only in sitemaps, analytics, or search index data.
- Set the orphan threshold. A value of 0 flags zero-inlink pages only. A value of 1 catches weakly linked URLs too.
- Paste sample URL rows into the batch field using the provided CSV-style format.
- Submit the form to review summary metrics, batch findings, and the visualization.
- Download the result set as CSV for spreadsheet work or PDF for reporting.
Frequently Asked Questions
1. What is an orphan page?
An orphan page is a URL that exists on your site but receives no meaningful internal links. Search engines may still find it through sitemaps, analytics, or index records.
2. Why does this matter for SEO?
Orphan pages often waste crawl attention, lose internal authority, and reduce discoverability for users. Important pages can underperform simply because the rest of the site does not support them.
3. Can a page be indexed and still be orphaned?
Yes. A URL can remain indexed from earlier discovery, external links, or sitemap submissions while still lacking internal navigation paths on the current website.
4. What should I use for total known URLs?
Use a merged count from your crawler, XML sitemap, analytics landing pages, log files, and search index exports. The broader the source mix, the better the estimate.
5. What threshold is best?
Start with 0 for strict orphan detection. Use 1 when you also want to catch pages that have only one weak internal link and still behave like near-orphans.
6. Is the risk score an exact ranking factor?
No. It is a practical prioritization score for audits. It helps you sort pages needing attention first, especially those with traffic or index presence but weak linking.
7. Should I delete every orphan page?
No. Some pages deserve stronger links, some need consolidation, and others should be removed. Review business value, search demand, conversions, and duplication before acting.
8. How often should I run this audit?
Run it monthly for active sites and after major migrations, redesigns, content launches, or navigation changes. Frequent checks catch orphan creation before performance drops spread wider.