Keeping Track of Your Performance Using Show Slow

Web Performance 209/210
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Sergey Chernyshev will talk about the importance of web site performance and a way to keep track of performance metrics using Show Slow, open source tool developed to simplify metrics gathering and reporting.

The goal of the project is to give a high level picture of the state of performance for your web site so your business as well as development teams can make decisions about performance optimization efforts.

Measuring web site performance becomes a standard practice for web developers, designers and product managers. Fast web sites attract user, keep their attention and provide better overall experience. Major web companies like Google, Amazon and Yahoo were able to do a research and connect performance to the money bottom line and emphasizes practical importance of web performance optimization.

Unfortunately, just measuring performance during development is not enough – keeping track of day-to-day changes and incorporating performance measurement into testing process ensures that business and developers can make important decisions based on the history of performance for the web site.

Featured by Steve Souders at Velocity Fall 2009, Show Slow is an open source tool that helps keeping track of performance metrics gathered over time using Yahoo’s YSlow and Google’s Page Speed Firefox extensions as well as other custom measurement applications using web-based RESTful beacons. It provides easy to understand graphical representation of metric changes over time that makes decision making quick and easy.

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Sergey Chernyshev

NY Web Performance Meetup

Sergey Chernyshev is Director of Web Systems and Applications at truTV (division of Turner, A Time Warner Company) and responsible for web technology for their highly trafficked web sites ( and He has more then 15 years of web technology experience and active open source developer and web technology enthusiast.

Sergey is an organizer of first web performance meetup – New York Web Performance Meetup, local group of web-professionals that meets monthly to discuss performance-related topics.

Sergey’s web site

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Picture of Sergey Chernyshev
Sergey Chernyshev
07/07/2010 1:08am PDT

You can see it on Slide Share if you have trouble using PPTX:

Sastry Sriramula
07/06/2010 9:34am PDT

Is it possible to post the presentation in PPTX format instead of compressed XML? I am unable to open above deck in powerpoint.

Picture of Steve Souders
Steve Souders
05/18/2010 9:07am PDT and have become two of my favorite web sites this year. I use them and recommend them all the time. People are blown away when they see the awesome services they get FOR FREE! And Sergey is a huge supporter of the web performance community – in NYC and beyond. I’ve heard whispers of some new features coming to and am looking forward to hearing the details at this talk.

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