Detect Facebook Pixel
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Detection looks at script sources, javascript globals, dom selectors, inline scripts across 6 fingerprint rules among the site's public responses.
01
Websites using Facebook Pixel
Loading website list…
02
Signal classes
PluginView evaluates public page signals in these classes when identifying Facebook Pixel. Individual fingerprint rule bodies are proprietary and are not published.
- Script sources
- JavaScript globals
- DOM selectors
- Inline scripts
03
Example public indicators for Facebook Pixel
Illustrative indicators derived from public catalog metadata for Facebook Pixel. A live scan may match additional proprietary rules beyond these examples.
- connect.facebook.x/signals/config/0?v=
- connect.facebook.x/./fbevents.js
- _fbp
- _fbq
- img
- www.?connect.facebook.net//?fbeventsevents.js?*?
04
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Facebook Pixel signature (6 rules) at the time of the scan.
- Does not establish
- A sitewide install of Facebook Pixel, an active vendor contract, exclusive use, or that Facebook Pixel is still in place today.
05
How to check a site for Facebook Pixel
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Facebook Pixel signals.
- 2. PluginView reads only public responses (script sources, javascript globals, dom selectors) and scores them against the Facebook Pixel signature set (6 rules).
- 3. Review the confidence score and text explanation for Facebook Pixel on the results page.
06
FAQ: detecting Facebook Pixel
- Can PluginView detect Facebook Pixel without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Facebook Pixel — typically script sources, javascript globals, dom selectors, inline scripts. It does not bypass authentication or paywalls.
- What category is Facebook Pixel?
- Facebook Pixel is classified under Analytics in the PluginView directory.
- How many fingerprint rules cover Facebook Pixel?
- This reference currently tracks 6 fingerprint rules across script sources, javascript globals, dom selectors, inline scripts. Individual rule bodies are proprietary and are not published.
- What public signals suggest a site uses Facebook Pixel?
- Illustrative public indicators for Facebook Pixel include connect.facebook.x/signals/config/0?v=; connect.facebook.x/./fbevents.js; _fbp. A live scan may match additional proprietary rules beyond these examples.
