Test your website speed
iSpeed Pro tells you how your site performs, why it's slow, and how to fix it.
Understand your Web Vitals and Performance Metrics
What is LCP, TBT, and CLS?
Largest Contentful Paint (LCP) measures when the largest image or text block becomes visible. Total Blocking Time (TBT) tracks how long a page is unresponsive to user input. Cumulative Layout Shift (CLS) measures visual stability.
iSpeed Pro uses Google Lighthouse 12.6.1 and custom Real-User Monitoring (RUM) data.
Compliance & Global Standards
Our analysis follows official W3C Web Standards. Optimized for 2026 ranking factors.
100% Free & Unlimited
Run unlimited website speed tests without any subscription or hidden costs. Professional auditing for everyone.
GTmetrix Style Reports
Get high-end visualized performance reports including LCP, TBT, and CLS metrics powered by Google Lighthouse.
Local Dhaka 5G Nodes
Test your server response time from our high-speed Dhaka 5G network nodes for accurate local performance.
The Best Free Unlimited Website Speed Test Tool in 2026
In the era of Core Web Vitals, website speed is the most critical ranking factor. iSpeed Pro™ is a professional-grade free website speed test utility that helps developers, SEO specialists, and business owners optimize their digital presence. Our tool utilizes Google Lighthouse 12.6.1 technology to provide 100% accurate performance audits.
Why Use iSpeed Pro for Your SEO Backlink Strategy?
Search engines like Google prioritize user experience. A fast-loading site reduces bounce rates and improves conversion. With our unlimited website speed check, you can monitor your optimization progress in real-time. Whether you are looking for a GTmetrix alternative or a specialized Lighthouse audit tool in Bangladesh, iSpeed Pro delivers enterprise-level data at no cost.