Drupal 7, once a staple in the CMS world, has reached its end-of-life, and upgrading to Drupal 9 is crucial for security, performance, and access to modern features.

Drupal caching is a crucial aspect of optimizing the performance and scalability of your Drupal site. Caching can significantly reduce page load times and decrease the load on the server by storing and reusing the output of expensive operations.