Performance and Metrics at Lonely Planet
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Velocity Europe 2012 presentation from @mjenno and @davenolan.
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Performance and Metrics at Lonely Planet
- 1. Performance and Metrics on lonelyplanet.com Selling Fast and Staying Fast Mark Jennings @mjenno & Dave Nolan @davenolan
- 3. good news
- 4. Our journey to ‘screamingly fast’ Using metrics to STAY fast Get yourself started
- 7. Our story...
- 8. Performance by committee + 3rd party content = delay
- 10. + Conversion + Order value + Revenue + Seasonality + Traffic flows
- 11. Page speed = $
- 12. Performance by committee + 3rd party content = delay + Delay = $$$ Text + So, remove the 3rd party content Simple.
- 13. Someone loves the 3rd party content Really.
- 14. Experiment 1 100 - 200 ms here != better conversion here
- 15. Cultural Change Collaboration & mutual respect Technology at the core of everything we do Expanding role of engineers Visibility of metrics far beyond technology
- 17. Sold fast.
- 18. What we learnt Being right isn’t always enough Intelligent experiments = compelling messages Velocity is exciting Text Be excited Be mindful Making performance matter to everyone can be a challenge
- 19. Getting fast Make fewer HTTP requests Use a CDN Cache it all Get lazy (async, progressive)
- 20. Getting fast YSlow Google Page Speed
- 21. Got fast.
- 22. Got faster.
- 23. Staying fast Developer-friendly tools + Visible, comprehensive, clean metrics + Continuous experimentation = Collaboration
- 25. Fozzie Instrumentation library Ruby -> StatsD
- 26. Fozzie Automatic integration with Rails Sensible defaults with customisation Bulk API RUM too Just one line of code
- 27. Flamsteed Client-side event logging pipeline
- 28. Flamsteed Fast and small No dependencies RUM module Modern browsers only :(
- 29. Staying fast Make it trivial to measure anything
- 32. Staying fast Give your metrics a public presence
- 33. Comprehensive
- 34. Comprehensive full-stack deploys developer health business metrics
- 36. Staying fast Measure everything
- 37. Add to cart
- 38. Holt-Winters
- 39. Holt-Winters
- 40. Clean Signal
- 41. Staying fast Remove the noise or get ignored
- 43. Continuous experimentation ‘Every deployment is an experiment’ De-risk Replace HIPPOS with facts
- 45. Staying fast Developer-friendly tools + Visible, comprehensive, clean metrics + Continuous experimentation = Collaboration
- 46. Putting it all together
- 47. Putting it all together before after
- 48. Staying fast.
- 49. What we learnt Everything you need is ready and waiting Performance is not just a technical problem
- 50. Sell fast to stay fast Sell fast with compelling experiments Stay fast with metrics at the heart of the business
- 53. You can do it too! ... but not on your own Collaboration is the key Cultural change is the big challenge The only real secret sauce is talented, passionate people.