Performance reports
Load Testing with IE8 and Firefox 3.5
What does the increased browser connection limit in IE 8 and FF 3.5 do to Apache server performance?
Beta Browser Performance Shootout
IE 8, Safari 4, and Chrome benchmarked against each other on the most popular websites of the day.
IIS 7.0 Dynamic Compression
Enabling IIS 7.0 dynamic compression reduces bandwidth by up to 70% — but also drops maximum capacity. When the tradeoff helps and when it hurts.
Apache 2.2 mod_deflate
mod_deflate cuts bandwidth on compressible content but eats CPU. Full measurements of where the breakeven sits.
APC Module: 2.8x PHP Performance
The open-source APC opcode cache measured against an uncached PHP application. Numbers from our standard reference setup.
Zend Platform Impact on PHP
A 140% capacity increase on a default SugarCRM install after enabling Zend Platform. Methodology and per-tier breakdown.
SugarCRM in a Virtual Machine
A 14% capacity drop when the same application runs inside a VM — quantified across multiple load levels.
Zend Optimizer Impact
The Zend Optimizer measured on a processor-bound PHP app (SugarCRM) under load.
Safari 3 Windows Beta Analysis
Apple's performance claims for the Safari 3 Windows beta evaluated against actual measurements.
Load Testing a Virtual Web Application
Virtualizing web and application servers makes ops easier — how much does it cost in raw capacity?
AJAX for Bandwidth Reduction
An experiment using AJAX techniques to cut application bandwidth by at least 50%, with results.
Apache Tomcat: Windows vs Linux, Part 1
Tomcat performance compared on Windows vs Linux under memory pressure. The two platforms handle resource limits very differently.
Apache Tomcat: Windows vs Linux, Part 2
The same tests with no memory limitation. Linux pulls ahead even further once the memory constraint is removed.
J2EE Servlet Container Comparison
Tomcat 4.1.12, IronFlare Orion 1.5.2, Jetty 4.1.1, Caucho Resin 2.1.5, Sun ONE 7.0, and IBM WebSphere 4.0 head-to-head.