📌Detailed article: https://giaphi.blogspot.com/2025/01/a...
Understanding the architecture of Selenium WebDriver helps us gain a better overview of how this framework operates. This is also one of the automation engineer interview questions I encountered but, unfortunately, I didn't have this knowledge at the time. The diagram above shows that WebDriver operates based on a Client-Server model, with an intermediary component called the JSON Wire Protocol, where REST APIs play a critical role. Detailed explanations can be found below.