Designers also had it rough. As a designer, you had to spend time to make sure your code runs perfectly in every browser. Assuming that most users are on popular browsers would be a mistake. Spending several weeks coding only to display a messy image or poorly fitting graphical image can be discouraging. Web development and design was a tedious exercise.
Besides, designers had to beware of malicious developers using fabricated language to change ownership of code.
However, the features were not fully explored hence the takeover by jQuery. Later in the early 2000s, Google implemented a standardized version of the same technology on Gmail and other products. Considering Google is big and influential in the business industry, using the AJAX technology in most of their web applications created a wave in the industry. Developers became enthusiastic about the frameworks and libraries. There was immense support for AJAX with respect to number of frameworks specified for frontend development.