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What is chromesnifferplus?

justjavac/chromesnifferplus — explained in plain English

Analysis updated 2026-05-18

★ 847JavaScriptAudience · developerComplexity · 1/5LicenseSetup · easy

In one sentence

A Chrome and Edge browser extension that detects which frameworks, libraries, and services a website is built with as you browse.

Mindmap

mindmap
  root((ChromeSnifferPlus))
    What it does
      Detect site tech stack
      Spot frameworks and CMS
      Identify third-party services
    Tech stack
      JavaScript
      Chrome extension
    Use cases
      Research competitor stacks
      Learn what a site uses
      Spot tracking scripts
    Audience
      Developers

Code map

Detail Auto

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filefunction / class

What do people build with it?

USE CASE 1

See which JavaScript frameworks like Angular or jQuery a website uses.

USE CASE 2

Identify the content management system behind a site, such as WordPress or Drupal.

USE CASE 3

Spot server software like Apache or nginx running a page.

USE CASE 4

Detect embedded services like Google Analytics on a website you visit.

What is it built with?

JavaScriptChrome Extension

How does it compare?

justjavac/chromesnifferplusnamastedev/namaste-reacttypicode/xv
Stars847858824
LanguageJavaScriptJavaScriptJavaScript
Last pushed——2023-10-08
Maintenance——Dormant
Setup difficultyeasyeasyeasy
Complexity1/51/51/5
Audiencedevelopervibe coderdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · easy Time to first run · 5min

Install directly from the Chrome Web Store or Edge Add-ons store.

So what is it?

ChromeSnifferPlus is a browser extension for Chrome and Microsoft Edge that detects what software a website is built with as you browse. When you visit a page, it checks behind the scenes and shows you which JavaScript libraries, web frameworks, server technologies, and third-party services are running on that site. For example, it can spot JavaScript tools like jQuery, front-end frameworks like Angular, content management systems like WordPress or Drupal, and server software like Apache or nginx. It also detects things like Google Analytics and other web services embedded in the page. The extension is available directly from the Chrome Web Store and the Microsoft Edge Add-ons store. It was built as an extended version of an older tool called ChromeSniffer, and its source code is open and released under the GPL license.

Copy-paste prompts

Prompt 1
How do I install ChromeSnifferPlus from the Chrome Web Store?
Prompt 2
What technologies can ChromeSnifferPlus detect on a webpage?
Prompt 3
Is ChromeSnifferPlus also available for Microsoft Edge?
Prompt 4
Explain how ChromeSnifferPlus differs from the original ChromeSniffer extension.

Frequently asked questions

What is chromesnifferplus?

A Chrome and Edge browser extension that detects which frameworks, libraries, and services a website is built with as you browse.

What language is chromesnifferplus written in?

Mainly JavaScript. The stack also includes JavaScript, Chrome Extension.

How hard is chromesnifferplus to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is chromesnifferplus for?

Mainly developer.

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