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.
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
HOW TO USE
A new tab opens with the formatted source code and full analysis.
PRIVACY
Perfect for web developers, designers, SEO professionals, and anyone curious about how websites are built.
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
- Click the extension icon in your toolbar, OR
- Right-click any page and select "View Page Source", OR
- 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:
- Display notifications to you
Required data collection, according to the developer:
- Web site activity
Optional data collection, according to the developer:
- Technical and interaction data
More information
- Add-on Links
- Version
- 1.1.1
- Size
- 38.88 kB
- Last updated
- 5 days ago (9 Mar 2026)
- Related Categories
- Licence
- MIT Licence
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection