Wattspeed

Wattspeed

Wattspeed is a browser extension that offers powerful web performance insights and CrUX data each time you open a new web page.

What is Wattspeed?
Wattspeed is a browser extension called Wattspeed that provides powerful web technologies insights every time you open a new web page. It offers various features including mobile-friendly testing, Google Lighthouse scores, HTML5 validation, accessibility checking, and detection of mixed content and JSON-LD structured data snippets. In addition, it can determine the web server, analytics tool, marketing or chat tools, advertising network, CMS, and CSS and JS frameworks used on a webpage.
Merlin
Stats
By: Caphyon
Users: 268 ▼ -15
Version: 5.0.0 (Last updated: 2023-10-11)
Creation date: 2021-12-13
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 3
Permissions:
  • tabs
  • scripting
  • activeTab
  • storage
  • unlimitedStorage
Host permissions:
  • http://*/*
  • https://*/*
Size: 119.79K
Stats date:

Other platforms

Wattspeed
Wattspeed (v4.4.0)
4.93 (27) 1,000
Not available on Firefox
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Merlin
Summary

Wattspeed is a browser extension that offers powerful insights each time you open a new web page. Get powerful web technologies insights each time you open a new web page.

  • Mobile-friendly test
  • Google Lighthouse scores
  • HTML5 validation
  • Accessibility checker

and more...

Safety
Risk impact

Wattspeed is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Wattspeed if you trust the publisher.

Risk likelihood

Wattspeed is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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Screenshots