Here's a concise guide on effectively testing and debugging a hotel booking script:

◦ Comprehensive Testing Strategies:

1. Begin with functional testing, meticulously checking every feature: room availability, booking process, payment gateway integration, cancellation policies, and user account management. Ensure each step operates as intended under various conditions.

2. Next, conduct thorough usability testing. This involves real users interacting with the script to identify any confusing elements or areas for improvement in the booking flow. Their feedback is invaluable for a seamless user experience.

◦ Performance testing is crucial, especially for handling peak booking times. Simulate high traffic to identify potential bottlenecks and ensure the script remains responsive and stable under pressure. Tools like Apache JMeter can aid in this process.

Security is paramount. Implement rigorous security testing to identify vulnerabilities such as SQL injection, cross-site scripting (XSS), and payment gateway exploits. Employ security scanning tools and consider ethical hacking to proactively address potential threats.

3. Debugging Techniques:

◦ Employ logging extensively to track script behavior and pinpoint errors. Implement clear and informative error messages for users and detailed logs for developers.

◦ Utilize browser developer tools for frontend debugging, inspecting network requests, identifying JavaScript errors, and analyzing page load times.

◦ For backend debugging, leverage integrated development environment (IDE) debuggers to step through code, inspect variables, and identify logical errors.

◦ Implement unit tests to verify the functionality of individual code components in isolation. This helps catch bugs early in the development cycle.

Finally, establish a clear bug reporting and tracking system to manage identified issues efficiently, ensuring systematic resolution and preventing regressions. For this kind of need, you'll get a specialized online hotel booking script app development company for your business needs, because you can implement these properties using freelancers who have a limited level of efficiency to get your product to attract a wide range of audiences.