WebPageTest

Overview of WebPageTest

WebPageTest stands as the gold standard in web performance testing, providing comprehensive tools for analyzing and optimizing website speed and user experience. This powerful platform enables developers and businesses to conduct detailed performance audits, measure Core Web Vitals, and identify optimization opportunities across global locations and modern devices. Trusted by industry leaders including Google, Microsoft, IKEA, and Salesforce, WebPageTest delivers the insights needed to build and maintain fast, efficient websites that meet today's performance expectations.

The platform offers both free and professional tiers, with WebPageTest Pro providing enhanced capabilities like API access and no-code experiments. Recent innovations include Carbon Control for measuring website environmental impact and a live Internet Outages Map for identifying connectivity issues affecting performance. Whether you're conducting a simple speed test or complex performance profiling, WebPageTest delivers the data-driven insights necessary for modern web optimization.

How to Use WebPageTest

Getting started with WebPageTest is straightforward: navigate to the website and enter your URL to initiate a comprehensive performance analysis. The platform automatically runs tests from multiple global locations using real browsers and devices, generating detailed reports on load times, Core Web Vitals, and technical metrics. Users can customize tests by selecting specific browsers, connection speeds, and device types, then analyze results through visual comparisons, video captures, and detailed waterfall charts that break down each component of the page loading process.

Core Features of WebPageTest

• Global Performance Testing – Analyze website speed from multiple international locations and real user conditions
• Core Web Vitals Analysis – Measure and optimize key user experience metrics for search ranking
• Visual Comparison Tools – Compare before-and-after performance improvements with side-by-side video
• Carbon Footprint Measurement – Assess environmental impact with the new Carbon Control feature
• Lighthouse Integration – Access comprehensive audits for performance, accessibility, and SEO

Use Cases for WebPageTest

• Conducting free website speed testing for small business sites
• Performing Core Web Vitals analysis for SEO optimization
• Running mobile website speed tests for responsive design validation
• Measuring page load time during development cycles
• Conducting visual comparison testing for design changes
• Monitoring global performance across different regions
• Analyzing website carbon footprint for sustainability reporting

Support and Contact

For technical support and inquiries, contact WebPageTest at contact@webpagetest.org or visit the official website at webpagetest.org. The platform provides comprehensive documentation, community forums, and support resources accessible through their main website. Professional users of WebPageTest Pro receive additional support channels and dedicated assistance.

Company Info

WebPageTest is developed and maintained by Catchpoint Systems, a leading digital experience monitoring company. The platform has established itself as an industry standard tool used by major corporations and individual developers worldwide for web performance optimization and user experience analysis.

Login and Signup

Access your WebPageTest account at webpagetest.org or create a new account, including WebPageTest Pro plans, at webpagetest.org. The platform offers both free testing capabilities and professional tier subscriptions with enhanced features.