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.