What is the usage of Memcached? In which types of websites, it is generally used?
Memcached is used to increase the speed of dynamic database driven websites. It caches data and objects in RAM to reduce the execution time.
It is generally used :
* In social networking sites for profile caching.
* For content aggregation i.e. HTML/Page caching.
* In E-commerce websites for Session and HTML caching.
* In location-based services for database query scaling.
* In gaming and entertainment services for session caching.
* It can also be used to track cookie/ profile for ad targeting.
