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Website Optimization

Website Optimization. Jesse Martinez. Overview. The 3 W’s : WWW Four finicky websites Results What else can be done?. The 3 W’s. What? Why? hoW?. What ?. As defined by The American Heritage Dictionary:.

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Website Optimization

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  1. Website Optimization Jesse Martinez

  2. Overview The 3 W’s : WWW Four finicky websites Results What else can be done?

  3. The 3 W’s What? Why? hoW?

  4. What ? As defined by The American Heritage Dictionary: The procedure or procedures used to make a system or design as effective or functional as possible, especially the mathematical techniques involved.

  5. Why ? Usability - speed is a factor in user experience

  6. Why ? Usability - speed is a factor in user experience Still a good number of 56k modem users

  7. Why ? Usability - speed is a factor in user experience Still a good number of 56k modem users Download speed is often the biggest impediment 81% users said speed was concern (1996 survey)

  8. Why ? Usability - speed is a factor in user experience Still a good number of 56k modem users Download speed is often the biggest impediment 81% users said speed was concern (1996 survey) Attention Threshold = 8 +/- 2 seconds (probably less)

  9. hoW ? Take this finicky website . . .

  10. hoW ? Take this finicky website . . . Meant to mimic a poorly designed site 1st generation website An example that shows improvement bad

  11. hoW ? What’s wrong? bad

  12. hoW ? What’s wrong? Redundant tags <font . . . Nested tables No CSS styling Too many comments Non-optimized jpeg bad

  13. hoW ? Html file 20744 bytes Media ~ 1.7 Mbytes Total ~ 1.9 Mbytes bad

  14. hoW ? Take this good finicky website . . . good

  15. hoW ? What’s wrong? Redundant tags <font . . . Nested tables No CSS styling Too many comments Non-optimized jpeg good

  16. hoW ? Html file 19116 bytes Media ~ 1.7 Mbytes Total ~ 1.9 Mbytes good

  17. hoW ? Take this gooder finicky website . . . gooder

  18. hoW ? What’s wrong? Redundant tags <font . . . Nested tables No CSS styling Too many comments Non-optimized jpeg gooder

  19. hoW ? Html file 8947 bytes Media ~ 1.7 Mbytes Total ~ 1.7 Mbytes gooder

  20. hoW ? Take this goodest finicky website . . . goodest

  21. hoW ? What’s wrong? Redundant tags <font . . . Nested tables No CSS styling Too many comments Non-optimized jpeg goodest

  22. hoW ? Html file 8956 bytes Media ~ 118 kbytes Total ~ 127 kbytes goodest

  23. What does this show us? For our trinket website Optimizing pictures works >10x improvement in size > 6x improvement in speed For a content heavy site (text) CSS may help more use external CSS use less white space

  24. What else can be done? K I S S Keep Ads to a minimum Keep JavasSript to a minimum Keep media to a minimum Use something eye-catching up top Use good navigation tools

  25. What else can be done? Verify and validate your HTML code Be sure to not use obscure or uncommon plug-ins unless absolutely necessary Use a screen capture from the video clip as a place holder Don’t automatically start playing streaming media

  26. References http://www.yourhtmlsource.com/optimisation/basicoptimisation.html#WHY http://webdesign.about.com/od/speed/index.htm http://www.websiteoptimization.com/speed/1/ http://www.websiteoptimization.com/services/analyze/ http://www.pantos.org/atw/35305.html http://www-static.cc.gatech.edu/gvu/user_surveys/survey-04-1996/ I love cats http://hometown.aol.com/mailflier/ Wikipedia text http://en.wikipedia.org/wiki/Cats

  27. Figure 1. Output from script

  28. Figure 2. Script used in experiment

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