Front-end performance testing is crucial for ensuring an application's user experience, but it poses several challenges. One major pain point is manually testing applications, which can be time-consuming and prone to human error. Test automation is a solution, but scaling it can be difficult. Another challenge is testing for real-world scenarios, including devices with varying operating systems, screen sizes, and models. Distinguishing front-end issues from back-end problems requires careful analysis of metrics such as Time to First Byte (TTFB) and logs. Continuous testing is essential, shifting testing left and right within the development pipeline, using methods like headless testing and canary testing. Finally, varying test scripts across devices and environments can lead to inaccurate results, highlighting the need for a cloud-based testing solution that maintains consistency among different testing environments.