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WebPageTest is a free, open-source tool that allows users to test the performance of their web pages from various locations around the world. It provides detailed insights into page load times, rendering speed, and other critical performance metrics. The tool is widely used by web developers, performance engineers, and digital marketers to optimize website speed and user experience.
3000 / day
5000 / day
2.5 pages per visit
Domain Rating
Domain Authority
Citation Level
English, etc
Test your website's performance from multiple locations worldwide to understand regional performance differences.
Supports testing on various browsers including Chrome, Firefox, and Edge to ensure cross-browser compatibility.
Provides detailed metrics such as load time, first byte, and start render to help pinpoint performance bottlenecks.
Records a video of the page load process to visually identify issues affecting user experience.
Allows the execution of custom scripts to simulate user interactions or test specific scenarios.
Offers the option to set up private instances for internal testing and sensitive projects.
Provides API access for integrating WebPageTest functionality into custom workflows and applications.
WebPageTest is an open-source project, allowing developers to contribute to its development and customize it for their needs.
Has a vibrant community of users and contributors who share tips, scripts, and best practices.
Can be integrated with other tools and services like Slack, GitHub, and Jenkins for streamlined workflows.
Supports testing on mobile devices to ensure optimal performance across all platforms.
Stores historical test data for comparison and trend analysis over time.
Security headers report is a very important part of user data protection. Learn more about http headers for webpagetester.com