Responsive testing of locally hosted websites is essential to ensure that web content renders correctly across various devices and screen sizes, which is increasingly important as mobile internet usage grows. This process helps catch bugs early, reduce bounce rates, improve site performance, and enhance search engine rankings by adhering to Google's preference for mobile-friendly sites. The article discusses several methods for conducting responsive testing locally, including using LT Browser for live mobile view debugging, browser developer tools for simulating device views, and LambdaTest Tunnel for connecting local systems to a cloud environment. Despite the challenges posed by the multitude of device configurations, these tools offer practical solutions for developers to test website responsiveness without incurring significant expenses.