Lighthouse
🔍 Security Report Available View on Chrome Web StoreChrome will indicate if you already have this installed.
Lighthouse brings automated testing and analysis to your web apps, helping you identify areas for improvement in performance, quality, and correctness. It's particularly useful for developers who want to ensure their applications meet modern web standards and provide a seamless user experience. Most benefit from Lighthouse are web developers and teams responsible for maintaining complex web applications.
Overview
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
When auditing a page, Lighthouse runs a barrage of tests against the page, and then generates a report on how well the page did. From here you can use the failing tests as indicators on what you can do to improve your app.
* Quick-start guide on using Lighthouse:
https://developers.google.com/web/tools/lighthouse/
* View and share reports online:
https://googlechrome.github.io/lighthouse/viewer/
* Github source and details:
https://github.com/GoogleChrome/lighthouse
Tags
Privacy Practices
Security Analysis — Lighthouse
Permissions
External Connections
Package Contents 9 files · 154KB
What This Extension Does
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps. It audits a page's performance, accessibility, and best practices, providing actionable recommendations for improvement.
Permissions Explained
- activeTabexpected: This permission allows Lighthouse to access the currently active tab in the browser, which is necessary for auditing the webpage.
Technical: TheactiveTabpermission grants access to thetabsAPI, allowing the extension to read and modify the current tab's content. This could potentially be used for malicious purposes if exploited. - storageexpected: This permission allows Lighthouse to store data locally on your device, which is necessary for storing audit results and other settings.
Technical: Thestoragepermission grants access to thechrome.storageAPI, allowing the extension to read and write local storage. This could potentially be used for malicious purposes if exploited.
Your Data
Lighthouse accesses data on your device by reading the currently active tab's content, storing audit results and settings locally, and sending reports to online services for viewing and sharing.
Technical Details
www.w3.org, github.com, codepen.io, www.materialui.co, bugs.chromium.org, chromestatus.com, developers.google.com, web.dev, developer.chrome.com, pagespeed.web.dev, and googlechrome.github.io. It uses HTTPS for secure communication, but the encryption status is not explicitly stated. The extension stores data locally using the chrome.storage API.Code Findings
This means that our analysis did not identify any suspicious or malicious code patterns in Lighthouse's codebase.
Technical: Our static code analysis tools did not detect any known vulnerabilities, malware, or other security risks in the extension's JavaScript files. However, this does not guarantee complete security, as dynamic behavior and dependencies may introduce additional risks.
💡 Legitimate extensions often use complex code patterns to implement their features, so it is not uncommon for our analysis tools to miss some legitimate uses of certain patterns.
This means that Lighthouse does not have a Content Security Policy in place, which could potentially allow malicious scripts to inject content into the extension.
Technical: The Content-Security-Policy header is not present in the extension's manifest file or any of its JavaScript files. This makes it possible for an attacker to inject malicious scripts into the extension using a CSP bypass vulnerability.
💡 Many extensions do not need to implement a CSP, especially if they only load content from trusted sources. However, this increases the risk of injection attacks if the extension is compromised or if an attacker finds a way to bypass the CSP.
Lighthouse appears to be a legitimate and useful tool for auditing web app performance and best practices. While it has some minor security concerns, such as not having a Content Security Policy in place, these do not significantly impact its overall security posture. Users can safely install and use Lighthouse, but developers should consider implementing a CSP to further improve the extension's security.
