Detect Bootstrap
Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
Detection looks at script sources, javascript globals, dom selectors, html markup across 9 fingerprint rules among the site's public responses.
01
Websites using Bootstrap
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02
Signal classes
PluginView evaluates public page signals in these classes when identifying Bootstrap. Individual fingerprint rule bodies are proprietary and are not published.
- Script sources
- JavaScript globals
- DOM selectors
- HTML markup
03
Example public indicators for Bootstrap
Illustrative indicators derived from public catalog metadata for Bootstrap. A live scan may match additional proprietary rules beyond these examples.
- -bootstrap*?..??*?.min?.js
- bootstrap.Alert
- bootstrap.Alert.VERSION: .
- jQuery.fn.tooltip.Constructor.VERSION: .
- body
- link
- style
- <style> /*! * Bootstrap v0.0.0
04
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Bootstrap signature (9 rules) at the time of the scan.
- Does not establish
- A sitewide install of Bootstrap, an active vendor contract, exclusive use, or that Bootstrap is still in place today.
05
How to check a site for Bootstrap
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Bootstrap signals.
- 2. PluginView reads only public responses (script sources, javascript globals, dom selectors) and scores them against the Bootstrap signature set (9 rules).
- 3. Review the confidence score and text explanation for Bootstrap on the results page.
06
FAQ: detecting Bootstrap
- Can PluginView detect Bootstrap without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Bootstrap — typically script sources, javascript globals, dom selectors, html markup. It does not bypass authentication or paywalls.
- What category is Bootstrap?
- Bootstrap is classified under UI frameworks in the PluginView directory.
- How many fingerprint rules cover Bootstrap?
- This reference currently tracks 9 fingerprint rules across script sources, javascript globals, dom selectors, html markup. Individual rule bodies are proprietary and are not published.
- What public signals suggest a site uses Bootstrap?
- Illustrative public indicators for Bootstrap include -bootstrap*?..??*?.min?.js; bootstrap.Alert; bootstrap.Alert.VERSION: .. A live scan may match additional proprietary rules beyond these examples.
