Website Speed Test | Pingdom Tools
Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.
The next best thing to sitting beside someone browsing your site. See where they click, ask what they think, and learn why they drop off. Get started for free.
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Our Website Speed Test analyzes your website’s performance, and you will see exactly what elements slows down your website for desktop and mobile users.
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Google Analytics 提供网站与应用的流量监测、用户行为分析与转化归因，支持实时数据、受众细分、可视化报表与自定义事件，便于优化营销投放并与 Google Ads、BigQuery 等服务无缝集成。
PageSpeed Insights
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Introduction to Lighthouse | Chrome for Developers
Learn how to set up Lighthouse to audit your web apps.