Site Speed Checker

Lighthouse Speed and Google CrUX Report



Site Speed Checker is a free tool to check website speed by using Google CrUX and Google PageSpeed&Lighthouse.
What is Google CrUX?
It’s real-user monitoring data. The Chrome User Experience Report(CrUX) is a subset of real-user monitoring data. Chrome User Experience Report (CrUX) data is collected from real browsers around the world, based on certain browser options which determine user eligibility. A set of dimensions and metrics are collected which allow site owners to determine how users experience their sites. Read more here

What are Web Vitals?
Web Vitals are Web Performance signals designed by Google to measure the Real-World Web Performance & User Experience. And six Web Vitals are; First Contentful Paint (FCP), Largest Contentful Paint (LCP), Cumulative Layout Shift (CLS), Total Blocking Time (TBT), Speed Index (SI), and Time to Interactive (TTI)

PageSpeed Insights & Lighthouse
PageSpeed Insights (PSI) reports on the user experience of a page on both mobile and desktop devices, and provides suggestions on how that page may be improved. Google Lighthouse is a free Google tool that helps you improve the quality of webpages on your website. The tool audits your pages for performance, accessibility, SEO, and more. And offers suggestions so you can improve these aspects.
What is SitesDB?
SitesDB is one of the largest internet website and domain database. We have more than 40 million website&domain in our database.
We manually check and update website&domain details, we've been doing this for more than 12 years. We also use AI for some part of our data.
sitesdb provides technical and useful information for websites & domains including; website meta tags, domain & whois data, general backlink and rankings statistics, social media stats, website root page speed stats & website content HTML resources, website safety details by checking several website content security providers, HTTP headers, HTML validation issues, similar websites, website keywords including the ones driving traffic most, website H tags and websites with the same domain name with different TLDs.
sitesdb also has some tools to check website speed analysis like Chrome CRUX, Lighthouse and an algoritm supported with AI and with our manual updates to find alternative websites&competitors&similar websites.