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Pagespeed Test is a tool to helps you monitor the webpage performance on desktop and mobile devices based on several metrics. Introducing PageSpeed Test, a cutting-edge and free tool designed to revolutionize your website's performance monitoring. This tool empowers you to examine your website's speed metrics, ensuring optimal user experience across desktop and mobile platforms. PageSpeed Test leverages the power of Lighthouse integration to offer a comprehensive assessment of various performance indicators; performance, accessibility, best practices, SEO, and PWA (Progressive Web App). Download and try now! This tool is available for free. With this tool, you can assess website performance based on several metrics: 1. Performance Ensure that your web pages are optimized for users so that they can see and interact with your website. Several metrics affect web page performance ratings, including: Core Web Vitals, in the performance assessment, you'll see some metrics such as: (a) First Contentful Paint or FCP: the time it takes for the first text or image to appear on a website. (b) Largest Contentful Pain or LCP: how long it takes the website to load the largest elements on the page such as images or long text. (c) Cumulative Layout Shift or CLS: measures the stability of the content on the website. (d) Time to Interactive or TTI: The time it takes the website to load most of the content until the website can respond to user input quickly (ideally less than 50ms). (e) Speed Index: The time that shows how fast the loading process is until all pages can be displayed clearly in the viewport. (f) Total Blocking Time or TBT: The total time the page was unable to respond to user input. 2. Accessibility To assess how easily users can access your page, especially for users with physical or cognitive disabilities. This tool will check your HTML tags, alt tags, ARIA landmarks, and others. 3. Best Practice To examine some areas for improvement of your overall website and keep your website secure, create a good user experience, avoid using outdated technology, and more. 4. SEO This tool also allows you to see if your web pages have been optimized to rank better in organic search. 5. PWA This tool also provides validation results for the Progressive Web App (PWA) aspects to ensure the website can be accessed quickly from various locations and types of devices. 1. Go to PageSpeed Test Page Starting from adding the URL to be checked for page speed, displaying the results of the page speed check, to the page speed checking history that you have done before. 2. Enter Website URL Make sure you have entered the URL in the correct format (e.g. https://example.com). Next, click the "Generate" button to give the command to this tool to start checking page speed on the website. 3. PageSpeed Check Result Analysis You need to wait a while until the PageSpeed Test assessment process is complete. Some of the metrics you can find in your results are: (a) Performance: Showing the test results of core web vitals metrics, time to interact, total blocking time, to speed index. (b) Accessibility: It is assessed based on how easily the website can be accessed by users. (c) Best Practice: Contain information on whether your website has implemented best practices in website creation. (d) SEO: The following report will contain information on whether your website has been optimized on search engines or not. (e) PWA: You will see whether your website has met the Progressive Web App (PWA) criteria. If the website has not implemented PWA optimally, this can be a sign that you have found a space that needs to be improved on your website. 4. View PageSpeed Test Usage History The last thing you can do using PageSpeed Test is look at your history of using the tool. In the list, you will see a list of website URLs that you have checked using the PageSpeed Test tool from cmlabs. 5. Login After 5 Times of Use If you have used it 5 times, our system will automatically display a message stating that you have reached the usage limit. You can log in by clicking the login button on the warning message that appears. We value your feedback! If you have any suggestions for improving Pagespeed Test or encounter any issues while using the tool, please don't hesitate to let us know. Our support team is here to help. Reach us by email at:
Mobile simulator - responsive testing tool
Smartphone and tablet simulator on computer with several models to test mobile responsive websites. 🚀 Simulate mobile viewports, check responsive web design, create impactful client demos, and save hours of testing. Mobile FIRST is the most powerful and reliable responsive simulator extension, trusted by developers and designers for over 5 years. Our rating on the Chrome Store speaks for itself! 📱 PRE-CONFIGURED DEVICES (New ones added regularly) • 58+ devices ready to use out of the box • 45 smartphones (old and recent models) • 5 tablet models • 11 special devices (smartwatches, kiosks, desktop...) 🔥 NEW & MAIN FEATURES • 📱📱 Multi-device comparison: View and test multiple devices side-by-side simultaneously for faster responsive checks • 🛠️ Custom devices: Create and save your own devices with custom screen resolutions and viewports • 👆 Realistic touch scrolling: Simulates native finger gestures for an authentic mobile browsing feel • 🎬 One-click video capture (WEBM, GIF, MP4) for your demos and tutorials • 📸 Transparent PNG screenshots, perfect for client emails or presentations • 🌚 Dark mode for enhanced visual comfort ✨ Inside Mobile FIRST, many technical tricks are integrated to reproduce the mobile experience as closely as possible. (Note: While highly accurate for day-to-day dev, this simulator does not replace final testing on a real device for 100% full validation.)
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. ✅ 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.
Responsive Website Testing Toolkit - Multiple Viewport Simulator
An essential tool to test the responsiveness of any website on multiple screens simultaneously Simplify your web development and testing journey with Responsive Website Testing Toolkit, a comprehensive solution built to enhance testing, collaboration, and project organization. An advanced multi-device responsiveness testing tool that empowers developers and designers to work smarter and faster. 1. Test Responsiveness Across Multiple Viewports Simultaneously Instantly preview your website on multiple devices in real time. Responsive Website Testing Toolkit lets you view layouts on smartphones, tablets, desktops, and more, helping you deliver pixel-perfect designs for every screen size. 2. Sync Mouse Clicks and Scroll Events Across Viewports Test interactivity like never before! Sync mouse clicks, and scroll events across all viewports simultaneously, ensuring a seamless user experience across devices. 3. Customizable Viewports for Every Need Design and test for any screen size with ease. ResponsiveSync Pro allows you to create custom viewports tailored to unique device requirements, giving you the flexibility to tackle any project. 4. Workspaces for Efficient Project Management Stay organized with dedicated workspaces for every project. Manage viewports, configurations in a single, user-friendly interface, making multi-project management a breeze. 5. Export and Import Projects and Settings Seamlessly collaborate with your team or transfer projects between environments. Responsive Website Testing Toolkit supports exporting and importing projects and settings, ensuring continuity and productivity across your workflow. 6. Capture Screenshots Instantly Document and share progress with one-click screenshot capabilities with or without the device Mockup. Besides above mentioned key features there are more features to explore. We are actively working to introduce new features in a regular interval and improve the quality of the application. ✅ Save Time: Simultaneous multi-device testing accelerates your workflow. ✅ Work Smart: Advanced features like synced actions and project exports boost efficiency. ✅ Be Flexible: Customize viewports and configurations to fit any requirement. ✅ Stay Organized: Streamline project management with intuitive workspaces. Take your responsive web development and testing to the next level with Responsive Website Testing Toolkit, the all-in-one tool that delivers precision, flexibility, and convenience. For any suggestions or feature request please reach out to us via the email which mentioned in the developer info.
Web Inspector
Use Web Inspector tool as a CSS viewer and website inspector for any page. It is a browser plugin for google chrome inspect element. Want to inspect element for chrome like a pro? This tool helps you master front-end basics with ease. It's more than just a chrome inspector — it's your all-in-one dev assistant. Use our inspection chrome tool when you need full control over any website. 1. Access to change history. 2. View styles via css scan. 3. Real-time page updates. 📦 What Do You Get This chrome browser inspector simplifies the exploration of website structures, providing valuable insights from the very first click. Know, inspecting elements in chrome helps both beginners and professionals easily uncover details that might be overlooked. • Hover over an element to highlight its css viewer for a clear view of styles. • See spacing with margin and padding indicators that show how they affect layout. • Inspect Google Chrome to understand their structure and interactions in design. • Get detailed information about font size and family for better typography insights. 📚 Where You Can Apply It This web page inspector works on any website—there are no limits. Just click or hover and you will see a lot of details. It's time to experience the difference that the google web inspector offers. Install the extension now! 🔥 Common With CSS Peeper Extension ➣ Easily components viewing. ➣ View class attribute values. ➣ Retrieve font information. ➣ View media file sources. ➣ Extract the web color palette. ⭐ ️The ability to pick pixel colors in HEX, RGB, or HSL while inspect element chrome. ⭐️ The ability to seamlessly add, remove and change properties and their values. ⭐️ Directly edit the visible text content with web inspector app with great ease. 🧠 Frequently Asked Questions Q: Can I use this as a css plugin chrome? A: Yes, it's a full-featured plugin for the browser. Q: Is this plugin user-friendly for beginners? A: Absolutely! It has very easy navigation. Q: What is the advantage of a web inspector? A: It simplifies viewing and layout testing. 🌐 Where It Works The inspect chrome feature works seamlessly with any public resource. Test directly inside the browser. No more hunting through devtools tabs! Developers will love our browser inspector chrome. 1. Edits are live — see results immediately on the web. 2. Handles complex nested elements effectively. 3. The google chrome web inspector for various tasks. 🧩 Perfect Combo for Developers This tool brings speed and clarity to design edits and front-end tweaks. With the css chrome extension, you can change styles instantly. The web inspector app adds precision when analyzing layout behavior and structure. 💪🏻 What Can You Do 1️⃣ Grasping responsive web layouts. 2️⃣ Copying web styles with CSS scan. 3️⃣ Knowing modern website structure. 4️⃣ Isolating bugs in front-end code. 🧪 Who May Use Ready to try the full power of advanced web page inspection Chrome? It was built for developers who want speed, clarity, and direct interaction. Let the transformation of your workflow. The web inspector tool is suitable for different tasks. ❓ Quick FAQ ➤ Where can I download it? Is it available in Firefox? ✱ You may download Web Inspector from the WebStore. ➤ Can I save the changes made during the editing process? ✱ No, changes made during editing are temporary. ➤ What makes this tool different from google inspect tool? ✱ It adds a real-time editor with simplified visuals. 📥 How to Get Started After installation, simply hover over any element and hit the spacebar to activate the web page inspector. This feature allows you to easily examine specific parts of your design. Whether you're clicking buttons or headers, Google inspect with Chrome brings precision and ease to your workflow. 🔎 Explore With Google Web Inspector - Typography styles. - Detailed settings. - Element padding. - HTML classes. - Web colors used. - Margin values. Use our css extension when you need quick access to attributes. There's no need to open bulky DevTools — it's all right at your cursor. This chrome inspect tool provides an efficient way to streamline your workflow. 🌟 What You Get With Chrome Browser Inspector ✔️ Live previewing. ✔️ Grid inspector. ✔️ Color palettes. ☀️ Connect to Our Unique Experience This is your solution! Start inspect element in Chrome today. Try our web extension — a more visual way to work with styles. Create freely with a powerful, user-friendly website inspector.
