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Content Tagged with bandwidth + performance

YSlow analyzes web pages and tells you why they're slow based on the rules for high performance web sites. YSlow is a Firefox add-on integrated with the popular Firebug web development tool.

vulnerabilities: * Excessive bandwidth * Corrupted data * Frequent small HTTP requests * Memory leaks *** and suggested fixes for each. Probably should have suggested replacing XMLwith JSON ;)

SIPp is a free Open Source test tool / traffic generator for the SIP protocol

MyVoIPSpeed Server very accurately measures the quality and performance of Internet connections for Voice over IP (VoIP) usage by simulating real VoIP sessions between your server and customers.

iftop does for network usage what top(1) does for CPU usage. It listens to network traffic on a named interface and displays a table of current bandwidth usage by pairs of hosts. Handy for answering the question "why is our ADSL link so slow?".