Monitoring web performance using Open Source tools (South Bay JavaScript Meetup)

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Peter Hedenskog Monitoring web performance using Open Source tools

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Peter Hedenskog @soulislove [email protected]

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Lets talk performance

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80-90% of the end-user response time is spent on the front end.

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Front end developers?

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front end dev

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front end dev

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front end dev

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front end dev

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front end dev

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With great power …

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comes great responsibility!

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Monitor performance

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Monitoring tool

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The toolbox

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Rules using YSlow Selenium HAR Browsertime Firefox Chrome Safari Internet Explorer WebPageTest GPSI WPT NodeJS API PhantomJS/SlimerJS gpagespeed BrowserMobProxy JSON http://www.example.com JSON HTML Graphite http://www.example.com http://www.example.com http://www.example.com post tasks whatever output you want

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this.is.my.metric 12 timestamp Graphite

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Grafana

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xvfb

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We take from the rich and give to the poor

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Installation

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clear

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What should we monitor?

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“I like thinking big.” Donald Trump

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“Think small” Peter Hedenskog

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§ 3rd party script

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“Infrastructure and code managed by someone else” Guy Podjarny (Akamai) Velocity 2014

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http://dashboard.sitespeed.io/dashboard/db/3rd-party-america-airlines

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Competition

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http://dashboard.sitespeed.io/dashboard/db/compare-multiple-sites

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One page

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http://dashboard.sitespeed.io/dashboard/db/metrics-for-one-page-american-airlines-home-page

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Summary of a site

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http://dashboard.sitespeed.io/dashboard/db/summary-of-a-site-america-airlines

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Custom Metrics

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http://dashboard.sitespeed.io/dashboard/db/user-timing-and-custom-metrics

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WebPageTest

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http://dashboard.sitespeed.io/dashboard/db/using-webpagetest

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http://dashboard.sitespeed.io/dashboard/db/using-webpagetest

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It’s up to you!

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http://dashboard.sitespeed.io/dashboard/db/google-analytics

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Summary

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front end dev

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responsible

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s Your monitoring tool

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dashboard.sitespeed.io

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Thank you! @soulislove [email protected]