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How to measure the performance of a website

Kentik

Or, perhaps one or more of the 10-20 routers in the path needed to reach the destination gets busy for a hundred milliseconds or so. This includes all HTML, style sheets, cookies, any javascript that has to execute, etc. Your PC sends out what is called a “SYN” packet to the destination’s IP address. Where is the DNS?

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Why is my SaaS application so slow?

Kentik

While you’re at the browser, clear cached files and cookies. Notice above that the routers used in the connection are looking pretty snappy. If you “ain’t afraid of getting dirty,” use the Wireshark packet analyzer to see if your connection to the SaaS applications’ IP address is suffering from any packet loss.