Siteimprove Browser Extension

Website performance scores at your fingertips Have the most comprehensive performance metrics always by your side: - how a web page lives up to quality standards - how discoverable it is for search engines - if it meets accessibility standards
What is Siteimprove Browser Extension?
Siteimprove Browser Extension is a Firefox add-on that provides comprehensive performance metrics for websites, including quality standards, discoverability for search engines, and accessibility.

Add-on stats

Users: 272 ▼ -8
Rating: 1.67 (6)
Version: 1.1.1 (Last updated: 2020-05-15)
Creation date: 2018-02-16
Weekly download count: 4
Firefox on Android: No
Risk impact: Moderate risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
Permissions:
  • cookies
  • tabs
  • activeTab
  • storage
  • webRequest
  • webRequestBlocking
  • *://*.siteimprove.com/*
Size: 43.49K
URLs: Website

Other platforms

Siteimprove Browser Extension (v1.1.2)
5.00 (2) 5,000
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.
Chrome-Stats extension

Add-on summary

Website performance scores at your fingertips Have you ever caught yourself browsing your website and wondered how a particular page is actually performing? If you did, the Siteimprove Browser Extension is exactly what you’re looking for. No need to leave the page anymore, you can see performance scores directly on the web page and start improving your DCI™ Scores. You have the most comprehensive performance metrics always by your side. Instantly see: how a web page lives up to quality standards how discoverable it is for search engines if it meets accessibility standards

Not a Siteimprove customer? Learn more about the Digital Certainty Index and how your website performance scores are measured.

User reviews

Doesn't really work. I have a Siteimprove account as a web developer at my workplace (a university) and none of the pages I browse to with it are giving any info from Siteimprove. They all say "No DCI score to show This page is not part of your Siteimprove subscription." The Google Chrome accessibility checker works well, but needs to be ported to Firefox!
by dalemoore, 2021-02-05

Need an account and when came to siteimprove.com/en/pricing/ see a form in an iframe … How they can give advice on accessibility …
by shnoulle, 2020-09-22

I'm not sure why the Firefox version of the extension needs an account and logon, which means you have to request their demo, when the Chrome version just works without jumping through hoops. Really? I need a demo for FireFox to show me how to click the extension button because Chrome users are so smart they don't need to go through the demo... So... that is straight up discrimination towards FireFox users. Ironic.
View all user reviews

Add-on safety

Risk impact

Siteimprove Browser Extension requires a few sensitive permissions. Exercise caution before installing.

Risk likelihood

Siteimprove Browser Extension has earned a fairly good reputation and likely can be trusted.

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