Detect Module Federation
Module Federation is a webpack technology for dynamically loading parts of other independently deployed builds.
Detection looks at inline scripts across 1 fingerprint rules among the site's public responses.
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Websites using Module Federation
Loading website list…
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Signal classes
PluginView evaluates public page signals in these classes when identifying Module Federation. Individual fingerprint rule bodies are proprietary and are not published.
- Inline scripts
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Example public indicators for Module Federation
Illustrative indicators derived from public catalog metadata for Module Federation. A live scan may match additional proprietary rules beyond these examples.
- Container initialization failed as it has already been initialized with…
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What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Module Federation signature (1 rules) at the time of the scan.
- Does not establish
- A sitewide install of Module Federation, an active vendor contract, exclusive use, or that Module Federation is still in place today.
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How to check a site for Module Federation
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Module Federation signals.
- 2. PluginView reads only public responses (inline scripts) and scores them against the Module Federation signature set (1 rules).
- 3. Review the confidence score and text explanation for Module Federation on the results page.
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Commonly implies
A confirmed Module Federation match also implies these technologies are present.
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FAQ: detecting Module Federation
- Can PluginView detect Module Federation without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Module Federation — typically inline scripts. It does not bypass authentication or paywalls.
- What category is Module Federation?
- Module Federation is classified under Miscellaneous in the PluginView directory.
- How many fingerprint rules cover Module Federation?
- This reference currently tracks 1 fingerprint rule across inline scripts. Individual rule bodies are proprietary and are not published.
- What public signals suggest a site uses Module Federation?
- Illustrative public indicators for Module Federation include Container initialization failed as it has already been initialized with…. A live scan may match additional proprietary rules beyond these examples.
