Item logo image for WhatHappened

WhatHappened

ExtensionDeveloper Tools
Item media 4 (screenshot) for WhatHappened
Item media 1 (screenshot) for WhatHappened
Item media 2 (screenshot) for WhatHappened
Item media 3 (screenshot) for WhatHappened
Item media 4 (screenshot) for WhatHappened
Item media 1 (screenshot) for WhatHappened
Item media 1 (screenshot) for WhatHappened
Item media 2 (screenshot) for WhatHappened
Item media 3 (screenshot) for WhatHappened
Item media 4 (screenshot) for WhatHappened

Overview

Your friendly side panel terminal! Learn how to diagnose DNS, SSL, and email infrastructure using simple, guided commands.

Stop jumping between ten different web tools just to check a single DNS record or verify an SSL certificate. WhatHappened centralizes essential web infrastructure diagnostics into a single, keyboard-driven terminal located right in your browser side panel. It is built to eliminate the friction of modern web debugging. This tool allows you to analyze any domain in real-time, providing comprehensive data on hosting providers, name servers, and security headers. It is context-aware, meaning it automatically detects the website you are viewing, allowing for one-click audits that reveal the "ground truth" of any site's infrastructure. By installing WhatHappened, you gain a powerful educational and professional utility that translates complex technical data into actionable information. It is the fastest way to understand what is happening under the hood of the web, maintained with a strict commitment to performance and security.

Details

  • Version
    2.4.2
  • Updated
    May 7, 2026
  • Size
    283KiB
  • Languages
    English
  • Developer
    Email
    rop.martel@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • 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

Support

For help with questions, suggestions, or problems, visit the developer's support site

Google apps