When Twitter (now X) was launched in 2006, it was built using Ruby on Rails, a framework known for its rapid development capabilities. At the time, this choice allowed Twitter to quickly scale and expand during its early days. However, as the platform’s user base grew exponentially, its initial tech stack began to show limitations. By 2008, Twitter’s architecture was struggling to keep pace with the increasing volume of users, tweets, and data.
The result? Frequent outages and performance issues that hindered user experience and stifled growth.
