Core Web Vitals Instant Check

Instantly measure LCP, FCP, INP, CLS, TBT, and TTFB on any site.

Core Web Vitals Instant Check by Webomo Delivering a lightning-fast, user-friendly web experience is critical for SEO, engagement, and conversion. With Core Web Vitals Instant Check, you can instantly measure the most important website performance metrics—no technical setup, developer tools, or code required. What does it do? With a single click, this extension measures all key Core Web Vitals on any web page: * Largest Contentful Paint (LCP): How quickly the main content appears * First Contentful Paint (FCP): When users see the first visual response * Cumulative Layout Shift (CLS): How much the layout unexpectedly moves * Interaction to Next Paint (INP): How fast your site responds to user actions * Total Blocking Time (TBT): How much time the main thread is blocked * Time to First Byte (TTFB): How fast the server responds How does it work? Simply visit any website, click the extension, and get instant, easy-to-read results in a modern popup. Your results appear in a color-coded, three-column grid for maximum clarity. See where you excel and where you need improvement—no need to open DevTools or wait for complex audits. Key features: * Instant scan: Check any page’s Core Web Vitals in seconds * No configuration: Just install and click—perfect for marketers, SEOs, webmasters, agencies, or anyone who cares about website quality * Easy-to-read visualization: Results grid, score summary, and performance tips * “Rescan” button: Instantly re-check after you make improvements * Privacy-first: No data is sent, stored, or shared—analysis is 100% local * Modern Webomo design: On-brand look, with direct access to Webomo experts for advanced help Who is it for? * Website owners, marketers, and SEOs tracking performance and UX * Developers who want a fast QA tool * Agencies and freelancers preparing reports or audits * Anyone optimizing for Google’s Page Experience Ready to improve your site’s speed and user satisfaction? Click “Add to Chrome,” run your first scan, and see what’s holding you back. For deeper website optimization, click the built-in consultation link and connect with the Webomo growth team. Created by Tomasz Jóźwiak | Webomo – Fueling Growth with Strategy, Systems, and Software. Learn more: https://webomo.pl/