Web Performance Optimzation

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  • Web Performance Optimzation

    1. 1. Web Performance OptimizationA Detailed Overview @AloisReitbauer
    2. 2. WebPerformanceOptimization
    3. 3. Why?
    4. 4. Speed impacts who sees you Source: http://googlewebmastercentral.blogspot.com/2010/04/using-site-speed-in-web-search-ranking.html
    5. 5. Speed impacts interactions Source: Jake Brutlag and Eric Schuman at Velocity 2009
    6. 6. Speed is the Top Featurehttp://carsonified.com/blog/business/fred-wilsons-10-golden-principles-of-successful-web-apps/
    7. 7. Performance = Money
    8. 8. Web sites gain weight
    9. 9. 160 kB more in one year!
    10. 10. ... not always for good reasons<td style="padding-left:10px; overflow: hidden; white-space: nowrap;"> * 9000 = 2 MB 17 Seconds
    11. 11. Third Parties makes us slowOur site+ ...
    12. 12. WebPerformanceOptimization
    13. 13. Latency andBandwidth
    14. 14. Roundtrips & Latency 1 Content 2 Icon: http://www.gettyicons.com/free-icon/112/hardware-icon-set/free-server-icon-png/
    15. 15. Browsershave limits
    16. 16. More means slow
    17. 17. It’s not under your control
    18. 18. Web Application Delivery Chain Content Internet ServerBrowser Processing 3rd Party
    19. 19. W3CPerformanceWorkingGroup
    20. 20. Works in modern browsers
    21. 21. WebPerformanceOptimization
    22. 22. Measuring performancethe Google way
    23. 23. Interaction dependent
    24. 24. User expectations increase
    25. 25. Websites shouldload in 2 secondsor less
    26. 26. A challenging goal
    27. 27. WebPerformanceOptimization
    28. 28. WhatandHow
    29. 29. WhatandHow
    30. 30. Books you should read
    31. 31. Get your site asix pack
    32. 32. IntelligentMarkup
    33. 33. WhatandHow
    34. 34. There is no magic pixie dust ..
    35. 35. Best Practice Tools
    36. 36. Benchmarking Tools
    37. 37. Deep Dive Analysis
    38. 38. Real User Experience
    39. 39. Synthetic Monitoring
    40. 40. Start tomorrow … Compress your content Smush your images Minify CSS/HTML Cache your content Merge your files
    41. 41. It’s under your control …
    42. 42. Alois Reitbaueralois.reitbauer@dynaTrace.com @AloisReitbauer http://blog.dynatrace.com

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