MySQLTuner : MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stabi...
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...
Let's make the web faster : There are many ways to make websites run faster. In this section, you can discover performance best practices that real web professionals employ in th...
cAdvisor : cAdvisor (Container Advisor) provides container users an understanding of the resource usage and performance characteristics of their running containe...
pg_chameleon : pg_chameleon is a MySQL to PostgreSQL replica system written in Python 3. The tool can connect to the mysql replication protocol and replicate the dat...
Vitess is a database clustering system for horizontal scaling of MySQL.
Let's make the web faster : There are many ways to make websites run faster. In this section, you can discover performance best practices that real web professionals employ in th...
Minimize round-trip times : An article on the best practices to apply in order to minimize HTTP round-trip times
Browser Calories : The easiest way to measure your performance budget.
QtWeb Internet Browser : QtWeb is a fast, lightweight and portable browser with some unique UI and privacy features. QtWeb is an open source project based on Nokia's Qt framew...
BackstopJS : BackstopJS automates visual regression testing of your responsive web UI by comparing DOM screenshots over time.
Nice write-up on techniques for scaling up a web application.