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...
MySQLTuner : MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stabi...
Minimize round-trip times : An article on the best practices to apply in order to minimize HTTP round-trip times
Query Mongo : Convert MySQL Queries to MongoDB Syntax
ESBench : Shareable JavaScript Benchmarking
Built-in ES2015 support, powered by Babel
Statistically significant benchmarks, powered by Benchmark.js
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
ClickHeat : ClickHeat is a visual heatmap of clicks on a HTML page, showing hot and cold click zones. ClickHeat is an OpenSource software, released under GPL lice...
kimono : Turn websites into structured APIs from your browser in seconds
Explorer Exposed! : These CSS bugs are all found only in Internet Explorer, versions 5 and higher. To see the demos properly, they must be viewed in IE, of course.
Nice write-up on techniques for scaling up a web application.