staging leak
A production page whose source references the site's staging hostname on a managed host, usually because a search-and-replace missed a serialised option, page-builder JSON or a theme file.
What staging leak means
A production page whose source references the site's staging hostname on a managed host, usually because a search-and-replace missed a serialised option, page-builder JSON or a theme file. A crawler that reads the page learns the host, which is typically a full, indexable and out-of-date copy of the site.
How CrawlCheck measures staging leak
One finding code in the scanner read this. The share of all scans carrying each is computed from the live corpus when this page is served, not typed into it.
| Finding code | Share of scans | Guide |
|---|---|---|
STAGING_LEAK | 0.1% | Canonical URL audit: one page, one address, and the three ways a site publishes it twice |
Every code, its rule and its current rate: the dataset page. Scan a site to see which apply to it.
Where staging leak comes up on this site
- Staging site leak: how a staging host ends up in live pagesThe related case: your own hostname, twice A staging leak is a foreign host serving your site.
Terms this definition uses
Related terms in Machine files
The files addressed to machines rather than readers, and what publishing one does and does not buy.
llms.txt · llms-full.txt · agents.md · entity map · entity map parity · machine layer · well-known URI · MCP · agent card · sitemap index · OpenAPI specification · ai.txt · Tool definition · SKILL.md · sitemap origin error · soft 404 on a machine file · tdmrep.json · TDM exception · security.txt · Content Signals · HTTP Message Signatures · changefreq and priority · host duplicate
Questions about staging leak
What is staging leak?
A production page whose source references the site's staging hostname on a managed host, usually because a search-and-replace missed a serialised option, page-builder JSON or a theme file.
How does CrawlCheck measure staging leak?
Through the finding code STAGING_LEAK, each with a stated rule, evidence bytes and a live share of scans on the dataset page.
Which area of the glossary does staging leak belong to?
Machine files: The files addressed to machines rather than readers, and what publishing one does and does not buy.
← changefreq and priority · host duplicate →
See it in the full glossary · 668 terms across 19 areas.