Core Web Vitals Test

Check Core Web Vitals and compare metrics for desktop and mobile devices. Check pagespeed insights using our Chrome extension.

✨ How to use this extension 1. 🛠️ Install the extension. 2. 🌐 Navigate to the web page you want to analyze. 3. 🖱️ Click on the extension icon. 4. 💻 The Core Web Vitals test will calculate metrics for desktop. 5. 📱 Click the "Mobile" button to calculate metrics for mobile devices. 6. 🔄 Click the "Desktop" or "Mobile" button to recalculate the metrics. 💡 Advantages of this extension 🌟 Instant Access to Key Metrics - ✅ Quickly check Core Web Vitals metrics for any page (including competitors) without needing to access separate tools like Google PageSpeed Insights, Google Search Console, or Lighthouse. - 📊 The extension automatically displays all critical data for the current page, including both mobile and desktop versions. 📈 Performance Monitoring - 🕒 Helps you assess website performance in real time, identifying performance issues at any stage of development or maintenance. - 🔍 Regularly track metrics on pages to ensure that site updates do not negatively impact Core Web Vitals. 📊 Competitive Analysis - 🤔 Analyze competitor performance to identify their weaknesses and incorporate these insights into your SEO strategy. - ⚖️ Compare your page metrics with competitor websites under real-world conditions. 📢 Support for SEO Ranking and Conversion Improvements - 📈 Optimizing Core Web Vitals directly impacts a website's ranking on Google. The extension helps you address issues promptly and maintain competitive performance metrics. - 🎯 Improving Core Web Vitals leads to better user experiences, reduced bounce rates, and higher conversions. 👥 Who will benefit from this extension - 🛠️ SEO Specialists. Monitor and optimize website performance for better rankings. Analyze competitors' Core Web Vitals metrics. - 🖥️ Web Developers. Identify and fix performance issues (e.g., slow LCP, high CLS). Test the impact of code changes on page speed and responsiveness. - 🎨 UI/UX Designers. Ensure smooth user experiences by minimizing layout shifts and delays. Test design changes in real-world conditions. - 📊 Digital Marketers. Improve website performance to reduce bounce rates and boost conversions. Understand how speed affects user engagement. - 📋 Product Managers. Track page performance as part of product quality. Communicate insights and prioritize fixes with development teams. - 🔍 QA Engineers. Validate Core Web Vitals during testing phases. Ensure website updates meet performance standards. 📏 Which Core Web Vitals metrics are calculated? ✅ LCP (Largest Contentful Paint) is a Core Web Vitals metric that measures the time it takes for the largest visible content element on a webpage to fully load and become visible to the user. This content is typically the largest image, video, or block of text in the viewport. LCP is an important indicator of page performance and user experience, as it reflects how quickly users can see and interact with the main content of the page. Google recommends an LCP time of 2.5 seconds or less for a good user experience. ✅ CLS (Cumulative Layout Shift) is a Core Web Vitals metric that measures the visual stability of a webpage by tracking unexpected layout shifts during the page's lifecycle. These shifts occur when visible elements, such as images, buttons, or text, move unexpectedly while the page is loading or in response to dynamic content. CLS is calculated based on the size of the unstable elements and the distance they move in relation to the viewport. A low CLS score (ideally 0.1 or less) indicates a stable and user-friendly experience, while a high score suggests disruptive layout shifts that can frustrate users. ✅ INP (Interaction to Next Paint) is a Core Web Vitals metric that measures the responsiveness of a webpage by evaluating how quickly it reacts to user interactions, such as clicks, taps, or keyboard inputs. INP focuses on the time between the user's interaction and the next visual update (paint) that reflects the response. This metric helps identify delays in interactivity and measures the page's ability to respond promptly to user actions. A good INP value is 200 milliseconds or less, indicating a responsive and seamless user experience. High INP values suggest sluggish interactivity, which can frustrate users. ✅ FCP (First Contentful Paint) is a web performance metric that measures the time it takes for a browser to render the first piece of content from the DOM after a user navigates to a page. This content could be text, an image, or a non-white background, and it signals to the user that the page is starting to load. FCP is a key indicator of perceived loading speed, as it provides the first visual feedback to users. Google recommends an FCP time of 1.8 seconds or less for a good user experience. ✅ TTFB (Time to First Byte) is a web performance metric that measures the time it takes for a user's browser to receive the first byte of data from the server after making an HTTP request. TTFB is an important metric for evaluating server responsiveness and overall website performance. Lower TTFB values (ideally less than 200 milliseconds) indicate faster server responses and a better user experience. 🚀 This extension makes the process of analyzing Core Web Vitals accessible, convenient, and efficient, enabling you to better meet the requirements of search engines and users. It is an excellent tool for improving performance, enhancing user experience, and achieving SEO goals.