Yii 2 is engineered for speed. It employs aggressive caching techniques, supporting various storage backends like Memcached and Redis. Because it follows a "lazy loading" approach—loading only the components needed for a specific task—it maintains a small footprint and fast execution times.
via prepared statements in its database layer. The Power of Extensions and Composer Web Application Development with Yii 2 and PHP:...
Mastering Modern Web Development: An Overview of the Yii 2 Framework Yii 2 is engineered for speed