web
High performance web sites blog by Steve Souders
[http://stevesouders.com/]
[http://stevesouders.com/]
Web Performance Today blog by Joshua Bixby
[http://www.webperformancetoday.com/]
[http://www.webperformancetoday.com/]
Best Practices for Speeding Up Your Web Site by Yahoo
[http://developer.yahoo.com/performance/rules.html/]
[http://developer.yahoo.com/performance/rules.html/]
java
Java Performance Tips
[http://www.javaperformancetuning.com/]
[http://www.javaperformancetuning.com/]
other
List of NoSQL databases with short descriptions
[http://nosql-database.org/]
[http://nosql-database.org/]
Web frameworks benchmarks
[http://www.techempower.com/benchmarks/]
[http://www.techempower.com/benchmarks/]