Shift-left testing is a critical component of agile and DevOps practices, emphasizing the early detection and resolution of software defects to improve quality and accelerate development speed. This approach contrasts with traditional waterfall methods, where testing occurred late in the process, often leading to delayed releases. In a webinar hosted by Harshit Paul from LambdaTest, alongside Patrick Walsh, an advocate of shift-left testing from Teckro, several key aspects were discussed, including the integration of testing throughout the software lifecycle, the significance of the Testing Pyramid, and the collaborative nature of modern testing practices. The webinar highlighted best practices such as early and frequent testing, designing for testability, and the importance of defining both functional and non-functional requirements. Additionally, the session explored the role of cloud-based platforms like LambdaTest in facilitating faster time-to-market through automation and third-party integrations, and the effective use of tools like Selenium and Cypress for testing across multiple browsers. The event concluded with a Q&A session addressing automation responsibilities, encouraging shift-left mindsets, and technical aspects of implementing tests on platforms like LambdaTest.