Detect Bubble
Bubble is a no-code platform that lets anyone build web apps without writing any code.
Detection looks at response headers, javascript globals across 7 fingerprint rules among the site's public responses.
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Websites using Bubble
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Signal classes
PluginView evaluates public page signals in these classes when identifying Bubble. Individual fingerprint rule bodies are proprietary and are not published.
- Response headers
- JavaScript globals
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Example public indicators for Bubble
Illustrative indicators derived from public catalog metadata for Bubble. A live scan may match additional proprietary rules beyond these examples.
- x-bubble-capacity-limit
- x-bubble-capacity-used
- x-bubble-perf
- _bubble_page_load_data
- bubble_environment
- bubble_hostname_modifier
- bubble_version
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What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Bubble signature (7 rules) at the time of the scan.
- Does not establish
- A sitewide install of Bubble, an active vendor contract, exclusive use, or that Bubble is still in place today.
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How to check a site for Bubble
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Bubble signals.
- 2. PluginView reads only public responses (response headers, javascript globals) and scores them against the Bubble signature set (7 rules).
- 3. Review the confidence score and text explanation for Bubble on the results page.
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Commonly implies
A confirmed Bubble match also implies these technologies are present.
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FAQ: detecting Bubble
- Can PluginView detect Bubble without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Bubble — typically response headers, javascript globals. It does not bypass authentication or paywalls.
- What category is Bubble?
- Bubble is classified under Page builders, Web frameworks in the PluginView directory.
- How many fingerprint rules cover Bubble?
- This reference currently tracks 7 fingerprint rules across response headers, javascript globals. Individual rule bodies are proprietary and are not published.
- What public signals suggest a site uses Bubble?
- Illustrative public indicators for Bubble include x-bubble-capacity-limit; x-bubble-capacity-used; x-bubble-perf. A live scan may match additional proprietary rules beyond these examples.
