Wattspeed

Wattspeed is a browser extension that offers powerful web technologies insights each time you open a new web page.
What is Wattspeed?
Wattspeed is a Firefox add-on that provides comprehensive web technologies insights, including mobile-friendly testing, Google Lighthouse scores, HTML5 validation, accessibility checking, and more. It also detects the web server, analytics tool, marketing or chat tools, advertising network, CMS, CSS and JS frameworks used by the website.

Add-on stats

By: Wattspeed
Users: 23
Rating: 5.00 (4)
Version: 5.0.0 (Last updated: 2023-10-11)
Creation date: 2018-08-10
Weekly download count: 1
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 3
Permissions:
  • tabs
  • scripting
  • activeTab
  • storage
  • unlimitedStorage
Host permissions:
  • http://*/*
  • https://*/*
Size: 141.15K
URLs: Website

Other platforms

Wattspeed (v4.4.0)
4.93 (27) 1,000
Not available on Edge
Want to check extension ranking and stats more quickly for other Firefox add-ons? Install Chrome-Stats extension to view Chrome-Stats data as you browse the Firefox Browser Add-ons.

Add-on summary

  • Mobile-friendly test
  • Google Lighthouse scores
  • HTML5 validation
  • Accessibility checker
  • Mixed content & JSON-LD structured data snippet detection

and more...

  • What web server is behind the URL?
  • What Analytics tool is used to get visitor insights?
  • What Marketing or Chat tools are used to convert the visitors?
  • What Advertising network is running in order to sell ads?
  • What CMS powers the forum, blog or the online shop?
  • What CSS and JS frameworks are used to build that user interface?

User reviews

Excelent for a quick one-click verification of HTML, accessibility, responsivenes and performance. Available for firefox and crome. Very appreciated.
by oldrup, 2021-07-04


by Bogdan Petrescu, 2018-08-13
View all user reviews

Add-on safety

Risk impact

Wattspeed requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk likelihood

Wattspeed has earned a fairly good reputation and likely can be trusted.

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