GTmetrix
GTmetrix is a web performance analysis tool that provides detailed insights into website speed and optimization. It analyzes pages using Google Lighthouse and other engines to generate performance scores, identify bottlenecks, and offer actionable recommendations for improvement. The tool is widely used by developers, SEO specialists, and site owners to monitor and enhance user experience through faster load times.
Developers should use GTmetrix when optimizing websites for performance, especially for SEO, user retention, and conversion rate improvements. It is essential for identifying specific issues like large images, render-blocking resources, or server response times, making it valuable for front-end development, performance audits, and continuous monitoring in production environments.