These diagnostic instruments evaluate how quickly your content renders and identify the specific bottlenecks dragging down your load times. Each option provides detailed reports on script execution, resource prioritization, and server response delays to help you refine your technical performance. Select a tool based on whether you need a quick high-level score for SEO benchmarks or deep-dive waterfalls that pinpoint the exact line of code slowing down the user experience.

One-click free website report and speed score.