Getting page speed into the heads of your organization
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The document discusses getting page speed and performance improvements into an organization. It provides examples of technical changes made at a company to improve page load times and server response times, which led to measurable increases in user activity and revenue. Specifically, external assets were loaded asynchronously, queries were optimized, and caching was introduced, resulting in a 27% reduction in page load time and 25% reduction in server response time.
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Getting page speed into the heads of your organization
- 1. www.friendscout24.dewww.friendscout24.de Getting page speed into the heads of your organization – a first hand report Michael Maretzke
- 2. Michael Maretzke FriendScout24 Vice President Technology michael.maretzke@friendscout24.de twitter: @mmaretzke
- 4. Flirten Lebenspartner Abenteuer - Aktive Suche - Dateroulette Auch verfügbar - iOS-/Android-App - Facebook-App - Wissenschaftlicher Test mit Matching Das erste Premium- Casual-Dating Portal speziell für die Frau - Diskretion durch Maskentool - Sicherheit mit Jugendschutzpixel - Seriös FriendScout24 - für die Suche nach dem richtigen Partner „Full-Service“ für alle ernsthaften Beziehungen
- 9. 2,46s How fast should your site be?
- 12. State of the union. http://www.radware.com/stateoftheunion-fall2013
- 15. http://www.nngroup.com/articles/website-response-times/ People want to be in control. … companies who make us wait instead of providing responsive service seem either arrogant or incompetent
- 17. http://connect.phocuswright.com/2010/06/phocuswrightakamai-study-on-travel-site-performance/ 57% of online customers will wait 3 seconds or less before leaving the site. 65% of 18-24 years old expect a page to load in 2 seconds or less. 34% of online customers will less likely return to a site when experiencing technical issues.
- 19. 5s faster pages 10% more revenue http://assets.en.oreilly.com/1/event/29/Shopzilla%27s%20Site%20Redo%20-%20You%20Get%20What%20You%20Measure%20Presentation.ppt
- 21. http://www.exp-platform.com/Documents/IEEEComputer2007OnlineExperiments.pdf 100ms slower pages 1% less revenue
- 22. http://www.exp-platform.com/Documents/IEEEComputer2007OnlineExperiments.pdf 500ms slower results 20% less revenue
- 23. http://www.slideshare.net/stoyan/yslow-20-presentation 400ms slower pages 9% drop in full- page traffic
- 24. http://blog.mozilla.org/metrics/2010/04/05/firefox-page-load-speed-%E2%80%93-part-ii/ 2.2s faster download pages 60m additional downloads
- 25. Why did we care?
- 28. Give it a face.
- 30. Strategy. Technology. 2013 Technology Goal. Two – 4 – Twohundred T – Deliver any web page within 2 seconds to our customers. 4 – Deliver any mobile web page within 4 seconds to our customers over 3G. T – Any request over the REST API is answered below 200 milliseconds.
- 31. Awareness Speed matters endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++ endless repetition +++
- 32. Tell people what IS important to you.
- 33. Page Load Time Page Weight Web TX Time Apdex (server + network + DOM + rendering) (#requests + bytes) (TX duration) (satisfied req <= T | tolerating req > T | frustrated req > (4xT)) satisfied reqs + (tolerating reqs / 2) total # of requests Apdex =T=2
- 34. Measure your KPI‘s. Talk about the KPI‘s.
- 36. Titel der Präsentation | Autor der Präsentation Seite 36 replace icons with webfonts decrease #of AJAX requests refactoring views introducing caches re-think models optimize server load externals asynchronously
- 37. External dependencies asynchronously and / or after onLoad() … 400 ms saved. load externals asynchronously
- 38. 50% of server side load time spent on queries. re-think models
- 41. Result. Page load time reduction: -27%
- 42. Result. App server response time: -25%
- 43. Impact. -24% less profile resigns Impact analysis on data set for Nov. 12 – Mar. 13 more messages +71% revenue Secret = f(activity )Secret activitySecret = f(messages, searches, profiles, pictures, …)
- 44. November 2012 January 2013 March 2013 December 2012 February 2013 User Perception of Performance
- 45. User Perception of Performance Impact analysis on data set for Nov. 12 – Mar. 13 Big impact and positive measureable reaction after single architecture rework release. Low impact and no measureable reaction on continuous improvements.
- 46. Titel der Präsentation | Autor der Präsentation Seite 46 So, Web Performance … … is a business differentiator … comes hand-in-hand with an engineering culture … takes time to get it into the heads of your organization
- 47. • http://www.flickr.com/photos/4x4paper/4282422565 • http://www.flickr.com/photos/mikelo/534441248/ • http://www.flickr.com/photos/backa/4180780815/ • http://www.flickr.com/photos/filterforge/8588372939/ • http://www.flickr.com/photos/59937401@N07/5930032284/ • http://www.flickr.com/photos/8504751@N02/3801783121/ • http://www.flickr.com/photos/hyku/311195753/ • http://www.flickr.com/photos/dobrych/3613722863/ • http://www.flickr.com/photos/squeaks2569/4031665280/ • http://www.flickr.com/photos/byteboy/8752924482/ • http://www.flickr.com/photos/liverpoolhls/10740309163/ • http://www.flickr.com/photos/jdhancock/3472771038 • http://www.flickr.com/photos/hamillianactor/362021036 Q&A