OSINT Radar
Web & URL OSINT Operational

Nerdy Data

nerdydata.com

Search Engine For Source Code. Find websites using technology, HTML, Javascript, CSS Tags.

Free Open Source #Nerdy Data #Breach & Leak OSINT tools #Breach & Leak OSINT resources #data #nerdy #advanced #analysis #breach #credential #discovery
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Pivot map

You have url domain
You get page content infrastructure mentions breaches credentials

Use this map to decide whether Nerdy Data accepts the lead you are holding, and what kind of lead it may return for the next step.

Pivot from here

Outputs from Nerdy Data can become inputs for the next tool. These are the most relevant follow-on pivots in the library.

infrastructure domain 4 suggested tools
credentials email 4 suggested tools

Investigator Use

Nerdy Data (nerdydata.com) is a source code search engine that allows investigators to search across indexed website source code for specific code strings, tracking IDs, JavaScript frameworks, or other technical elements. Similar to Public WWW, it enables finding websites that share common code signatures.


For OSINT investigators, source code search enables infrastructure attribution through shared code patterns. When an investigator identifies a unique code element on a target website — a specific Google Analytics ID, a custom tracking pixel, a unique JavaScript library reference, or a distinctive code pattern — searching Nerdy Data for that element reveals all other websites in the index that share the same code.


Tracking ID attribution through source code search is the most powerful investigative application. A Google Analytics UA number, Facebook Pixel ID, or advertising network publisher ID that is unique to one operator connects all websites using that identifier to the same entity. Source code search efficiently surfaces this entire network.


Infrastructure clustering identifies when multiple websites are built with the same code — potentially by the same developer, using the same template, or operated as a coordinated network. Shared infrastructure elements that are not tracking IDs may still indicate common ownership or operation.


Phishing kit identification through distinctive code patterns helps investigators identify all phishing sites created from the same phishing kit — campaign-wide attribution rather than individual site analysis.


For brand impersonation investigations, searching for code elements (like a brand's analytics ID) reveals if counterfeit sites have copied actual brand code — providing an attribution link between the impersonator and the original site's code.


Nerdy Data's coverage is dependent on its web crawling depth and frequency. Recently deployed sites may not yet be indexed, and the index represents a specific point-in-time snapshot of each page's code.


Document source code patterns searched, websites found sharing the pattern, and any attribution conclusions with query timestamps.

Before You Pivot

Record Context

Capture the target, search terms, and why this source is relevant before you leave the page.

Preserve Evidence

Archive volatile pages, save screenshots, and keep timestamps for anything that may change.

Corroborate

Treat one tool as a lead source. Confirm important findings with independent sources.

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