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 groundbreaking Chrome extension that provides deep insight into the web technologies, analytics tools, marketing techniques, and advertising networks associated with every new webpage you open. It features a mobile-friendly test, Google Lighthouse scores tracking, comprehensive security audits, HTML5 validation, accessibility checks, mixed content and JSON-LD structured data snippet detection. Wattspeed also identifies the web server, CSS and JS frameworks, CMS, and other tools used to build the webpage, enhancing your understanding of the web environment.

Extension stats

Users: 1,000+
Rating: 4.93 (27)
Version: 4.4.0 (Last updated: 2023-08-07)
Creation date: 2020-06-29
Risk impact: High risk impact
Risk likelihood: Very low risk likelihood
Manifest version: 3
Permissions:
  • tabs
  • scripting
  • activeTab
  • storage
  • unlimitedStorage
Host permissions:
  • http://*/*
  • https://*/*
Size: 118.78K

Other platforms

Wattspeed (v5.0.0)
5.00 (4) 23
Wattspeed (v5.0.0)
0.00 (0) 273
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Extension summary

Get powerful web technologies insights each time you open a new web page.

  • Mobile-friendly test
  • Google Lighthouse scores
  • Core Web Vitals for the last 28 days
  • Security audit
  • 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?
See more

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Quick one-click verification of HTML, accessibility, responsivenes and performance
  • Combines information sources like BuildWith, PageSpeed Insights, Google's Mobile Test, W3C HTML5 validator and social metrics
  • Handy and free
Cons
  • Desktop-user agent performance control of a page doesn't work on all sites
  • Missing export option
Most mentioned
  • Quick one-click verification of HTML, accessibility, responsivenes and performance
  • Handy and free
  • Combines information sources
Recent reviews
Il controllo performance di una pagina non funziona su tutti i siti (vedi libero .it) The desktop-user agent performance control of a page doesn't work on all sites (see libero .it)
by Samuele gg, 2022-03-23

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

useful and easy to use. the only thing missing is an export option :D
by Daniel Pirciu, 2018-05-14
View all user reviews

Extension 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 extension. Review carefully before installing. We recommend that you only install Wattspeed if you trust the publisher.

Risk likelihood

Wattspeed has earned a good reputation and can be trusted.

Upgrade to see risk analysis details

Promo images

Wattspeed small promo image
Small promo image

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