Cross-browser testing is a type of software testing where testers assess the compatibility and functionality of a website or web application across various web browsers, platforms, and versions. It rose from the inherent differences in popular web browsers (such as Chrome, Firefox, or Safari) in terms of their rendering engines, HTML/CSS support, JavaScript interpretation, and performance characteristics, leading to inconsistencies in user experience.

Introducing Zac ODonnell, the Manager of Software Engineering at EnergyCAP, who shares his testimonial on how Ghost Inspector has revolutionized their development process. EnergyCAP helps businesses effectively manage energy usage, utility bills, and carbon footprint while achieving substantial savings. However, they faced challenges in keeping their product running smoothly amid frequent changes and security patches.