Use The Index, Luke! : A tutorial covering SQL indexing and SQL tuning for developers: avoiding unnecessary details about database internals.
SQL indexing is the most effect...
High Performance Browser Networking : Performance is a feature. This book provides a hands-on overview of what every web developer needs to know about the various types of networks (WiFi, ...
PHP Performance tool : PHP performance tool analyse your script on time, memory usage and db query. Support Laravel and Composer for web, web console and command line interf...
Stack Overflow : Stack Overflow is a question and answer site for professional and enthusiast programmers.
Cheatsheet list of techniques and patterns for maximizing software performance and scalability