CIW Professional Practice Exam 2026 – Complete Study Resource

Google PageSpeed Insights is a widely recognized tool used for testing website performance, particularly in analyzing how quickly a webpage loads and what factors may affect its performance. This tool provides developers and webmasters with valuable insights into various metrics such as loading speed, responsiveness, and the overall user experience.

By inputting a URL, users receive a detailed report that includes performance scores, suggestions for improvements, and diagnostics to help optimize website speed. The tool evaluates the site’s mobile and desktop versions, enabling users to understand performance across different devices and make informed decisions to enhance site speed.

Other tools listed do serve different purposes: Adobe Photoshop, for example, is primarily a graphic design tool and is not designed for performance testing. The WordPress Dashboard allows users to manage WordPress sites but does not focus specifically on performance metrics. Screaming Frog SEO Spider is useful for SEO analysis, such as crawling websites for SEO issues, but it is not primarily aimed at assessing website performance in the manner that Google PageSpeed Insights is.