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Preview of View Page Source - HTML Viewer

View Page Source - HTML Viewer by Ahmed Sajjad Zaidi

View source code, detect 100+ web technologies, and analyze SEO. Reveals meta tags, Open Graph, structured data, frameworks, CMS, analytics, performance metrics, and security indicators for any website.

Available on Firefox for Android™Available on Firefox for Android™
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Extension Metadata

About this extension
View Page Source is a fast, privacy-focused tool for viewing and analyzing any webpage's HTML source code.

FEATURES
  • Syntax-highlighted source code with optional word wrap
  • Technology detection — identify 100+ technologies including CMS (WordPress, Shopify, Wix), JavaScript frameworks (React, Vue, Next.js), CSS frameworks (Tailwind, Bootstrap), analytics (GA4, Hotjar, Clarity), CDNs, payment systems, and more
  • Smart SEO analysis — meta tags, Open Graph, structured data (JSON-LD), internationalization, links, resources, document structure, and security indicators
  • Performance metrics — DNS lookup, TCP connection, TLS handshake, server response, and download times
  • Server info — HTTP version, status code, and response headers

HOW TO USE
  1. Click the extension icon in your toolbar, OR
  2. Right-click any page and select "View Page Source", OR
  3. Press Ctrl+Shift+Y (Windows/Linux) or Cmd+Shift+Y (Mac)

A new tab opens with the formatted source code and full analysis.

PRIVACY
  • Only the URL you choose to analyze is sent to view-page-source.com
  • No browsing history, personal data, or tracking collected
  • No third-party analytics or ads
  • Minimal permissions: activeTab, contextMenus, storage, notifications
  • Open source: https://github.com/zaidi/view-page-source-extension

Perfect for web developers, designers, SEO professionals, and anyone curious about how websites are built.
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Permissions and data

Required permissions:

  • Access your data for www.view-page-source.com

Required data collection, according to the developer:

  • Website activity

Optional data collection, according to the developer:

  • Technical and interaction data
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Version
1.2.0
Size
49.73 KB
Last updated
a month ago (Jun 4, 2026)
Related Categories
  • Web Development
License
MIT License
Privacy Policy
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