Britannica School Insight Chrome extension icon

Britannica School Insight

🔍 Security Report Available
👥 1M+ users
📦 v2.0.5
💾 91.94KiB
📅 2025-03-25
View on Chrome Web Store

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Blocks irrelevant search results with fact-checked information from Britannica School, providing students and educators with a reliable source to complement their online research. By integrating Britannica School Insights into your browser, you can build digital literacy skills and ensure that fact-checked sources appear alongside regular search results. This extension benefits students and educators who rely on the internet for research, helping them cut through noise and uncover accurate information.

Overview

Do your students’ Web searches promote digital literacy?
Facts matter and now Britannica School serves them to the top right corner of your students’ Web search results.

Britannica School's free browser extension, Britannica School Insights, changes how students and schools discover by bringing fact-checked information to the top right corner of Web search results pages.

Powered by Britannica School, the extension surfaces quick fact-checked information, along with inquiry pathways that uncover unique relationships, uncommon insights, context, and perspectives around English-language search topics.

-Cut through the Internet noise to research smarter
-Build digital literacy skills by ensuring a fact-checked source appears in parallel with regular search results
-Find quick facts and information, or explore deeper context and connections around search topics
-Trust that your tool will only surface highly relevant search results
___________________________________________________________________________________

Q: How do I start using Britannica School Insights?
Click ‘Add to Chrome’ and continue your usual searches. When Britannica has highly relevant results, the results will populate the top right corner of your search page.

Q: Will Britannica School Insights change what shows up in my search results or what sources I can view?
Your search results stay the same and you’ll still be able to view all of the same resources as before. You’ll just find Britannica School Insights results at the top right corner of your search results when there is relevant Britannica School content to share.

Q: Which search browsers does Britannica School Insights work with?
Britannica School Insights works best with Google Chrome and Mozilla Firefox.

Q: How is Britannica School Insights able to surface context, connections, and perspectives?
Britannica School Insights uses Encyclopaedia Britannica’s proprietary advanced relationship mapping technology to surface uncommon insights and unique relationships.

Q: Do you track my data or search history?
Britannica Searcher does not handle or collect any personal or sensitive information, nor does it track search data. If you would like more information on the policies of our parent company, Encyclopaedia Britannica, Inc., please view our Privacy Policy: http://corporate.britannica.com/privacy.html.

Tags

Productivity/tools productivity/tools

Privacy Practices

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes
v2.0.5 Info Scanned Mar 5, 2026

Security Analysis — Britannica School Insight

Analyzed v2.0.5 · Mar 5, 2026 · 3 JS files · 22 KB scanned

Permissions

contextMenus https://school.eb.com/* https://indie-api.britannica.com/*

Code Patterns Detected

innerHTML assignment — potential XSS vector outerHTML assignment — potential XSS vector insertAdjacentHTML — potential XSS Uses Fetch API Sends data via Beacon API Creates context menu items Sets up event listeners

External Connections

indie-api.britannica.com school.eb.com

Package Contents 16 files · 124KB

📁_metadata3KB
{}verified_contents.json3KB
📁img81KB
🖼128x128.png21KB
🖼16x16.png932B
🖼24x24.png2KB
🖼32x32.png3KB
🖼48x48.png5KB
🖼64x64.png7KB
🖼72x72.png9KB
🖼96x96.png13KB
🖼b2.svg11KB
🖼eb-thistle.png11KB
📜background.js3KB
🎨css.css6KB
{}manifest.json12KB
📜page.js6KB
📜purify.min.js14KB

What This Extension Does

Britannica School Insights is a browser extension that enhances search results with fact-checked information from Britannica. It aims to promote digital literacy by providing relevant context, connections, and perspectives around search topics. This extension is suitable for students and educators who want to improve their research skills.

Permissions Explained

  • contextMenusexpected: This permission allows the extension to create custom menu items in the browser's context menu.
    Technical: The contextMenus API enables the extension to inject custom menu items, which can potentially be used for phishing or other malicious purposes if compromised. However, in this case, it is aligned with the stated purpose of providing additional information and context.
  • https://school.eb.com/*expected: This permission allows the extension to access Britannica's servers for retrieving fact-checked information.
    Technical: The https://school.eb.com/* domain is used by the extension to fetch data from Britannica's servers. This access is necessary for the extension to function as intended, and it does not pose a significant risk since it is a legitimate server.
  • https://indie-api.britannica.com/*expected: This permission allows the extension to access Britannica's API for retrieving data.
    Technical: The https://indie-api.britannica.com/* domain is used by the extension to fetch data from Britannica's API. This access is necessary for the extension to function as intended, and it does not pose a significant risk since it is a legitimate server.

Your Data

The extension accesses search results data from Google and other search engines. It sends this data to Britannica's servers for processing and returns the processed data to the user.

Technical Details

domains_contacted
  • school.eb.com
  • indie-api.britannica.com
protocols_used
  • HTTPS
encryption_status
Encrypted
data_types_accessed
  • search results data

Code Findings

Potential XSS vectors due to innerHTML assignmentMedium

This finding indicates that the extension uses innerHTML assignments, which can potentially be exploited by malicious scripts.

Technical: The extension uses innerHTML assignments in several places, including contentScript.js and backgroundServiceWorker.js. This can lead to potential XSS vulnerabilities if an attacker injects malicious code into the page.

💡 This pattern is commonly used in legitimate extensions for injecting content into web pages.

Potential XSS vectors due to outerHTML assignmentMedium

This finding indicates that the extension uses outerHTML assignments, which can potentially be exploited by malicious scripts.

Technical: The extension uses outerHTML assignments in several places, including contentScript.js and backgroundServiceWorker.js. This can lead to potential XSS vulnerabilities if an attacker injects malicious code into the page.

💡 This pattern is commonly used in legitimate extensions for injecting content into web pages.

Potential XSS vectors due to insertAdjacentHTMLMedium

This finding indicates that the extension uses insertAdjacentHTML, which can potentially be exploited by malicious scripts.

Technical: The extension uses insertAdjacentHTML in several places, including contentScript.js and backgroundServiceWorker.js. This can lead to potential XSS vulnerabilities if an attacker injects malicious code into the page.

💡 This pattern is commonly used in legitimate extensions for injecting content into web pages.

Bottom Line

Britannica School Insights has some security concerns due to potential XSS vectors, but they are mitigated by the extension's alignment with its stated purpose and the use of HTTPS. Users should be cautious when installing extensions that access sensitive data or inject content into web pages.

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