Privacy Policy for Sensei Score

Overview

Sensei Score ("we", "our", or "the extension") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, store, and protect your information when you use our Chrome extension.

What Sensei Score Does

Sensei Score is a browser extension that provides AI-powered UX (User Experience) scoring and analysis for webpages. The extension analyzes webpage quality across three dimensions: functional design, aesthetic quality, and industry best practices.

Information We Collect

When You Scan a Webpage

When you click the "Scan" button to analyze a webpage, the extension collects and sends the following data to our API:

Page Content Data:

• URL: The web address of the page being analyzed
• Page Title: The title of the webpage
• HTML Structure: A sample of the page's HTML (first 5,000 characters)
• Headings: Text content of heading tags (h1-h6)
• Links: Link text and URLs present on the page
• Images: Image sources and alt text attributes
• Buttons and CTAs: Text and attributes of call-to-action elements
• Meta Tags: Description, viewport, and Open Graph meta tags
• Text Content: Hero text, body text sample (first 3,000 characters), and word count
• Accessibility Data: Information about missing alt text, unlabeled inputs, and landmark elements
• Styles: Background color, text color, and font family

Visual Data:

• Screenshot: A JPEG screenshot of the current viewport (70% quality)

Cached Data (Local Only)

• Scan Results: UX scores and insights are stored locally in your browser using Chrome's storage API
• This data never leaves your device unless you explicitly re-scan a page
• You can clear cached data at any time using the "Clear cached scans" button

How We Use Your Information

UX Analysis

When you scan a webpage:

1. The extension captures the page content and screenshot
2. This data is sent to our API for AI-powered analysis
3. Our API uses AI models to evaluate UX across three dimensions: aesthetic, functional, and best practices
4. The analysis (scores and insights) is returned to your browser
5. Results are displayed and cached locally in your browser

Data Storage and Retention

On Your Device:

• Scan results are cached locally in your browser using Chrome's storage API
• You can clear this cache at any time using the "Clear cached scans" button

On Our Servers:

• Page data sent to our API is processed in real-time for analysis
• We do not permanently store the page data or screenshots after processing
• Analysis results (scores and insights) are returned to your browser and not retained on our servers
• Server logs may contain URLs and timestamps for up to 30 days for debugging and service improvement

Third-Party Services

Sensei API

Sensei Score sends webpage data to our API for analysis. Our API uses AI models to evaluate UX quality and generate scores and insights.

AI Processing

Our API uses AI language models (such as Claude, GPT, or similar) to analyze webpage content. These AI services process data on our behalf according to their business agreements and privacy policies.

Data Sharing

• We do not sell, rent, or share your data with third parties for marketing purposes
• Data is processed by our API and AI services solely for providing UX analysis
• We may use third-party services for API hosting and infrastructure (Vercel, AWS, Google Cloud)
• These services are bound by their own privacy policies and data processing agreements

Data Security

How We Protect Your Data

• HTTPS/TLS Encryption: All data transmission uses HTTPS encryption
• Secure API Endpoints: Our API uses authentication and security best practices
• No Persistent Storage: We do not permanently store page data or screenshots after processing
• Minimal Permissions: We only request Chrome permissions necessary for functionality
• Local Caching: Scan results are stored locally using Chrome's secure storage API

Your Responsibilities

• Use Trusted Networks: Avoid scanning sensitive pages on untrusted WiFi networks
• Keep Chrome Updated: Ensure you're using the latest version of Chrome for security patches
• Be Mindful of Content: Avoid scanning pages with sensitive personal or financial information

Permissions Explained

Sensei Score requests the following Chrome permissions:

Your Rights and Choices

Access Your Data

All your data is stored locally in your browser. You can:

• View scan history in the extension
• Check cache entries in cache settings
• Review settings at any time

Delete Your Data

You have complete control:

• Clear individual scan results
• Clear all cached data
• Clear scan history
• Delete specific settings
• Uninstall the extension (removes everything)

Data We Don't Collect

To be clear, we do NOT collect or have access to:

• Your browsing history (except pages you explicitly scan)
• Your personal information (name, email, address, etc.)
• Your financial information
• Your location
• Information from other websites or apps
• Analytics or telemetry about your usage

Contact Information

If you have questions about this Privacy Policy or Sensei Score's data practices:

• GitHub Issues: https://github.com/grahammann/sensei/issues
• GitHub Repository: https://github.com/grahammann/sensei

By using Sensei Score, you acknowledge that you have read and understood this Privacy Policy.

Last Updated: February 5, 2026