Double your website's performance in 5 minutes

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Introduction to web performance optimization for Barcamp Rochester

Introduction to web performance optimization for Barcamp Rochester

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  • 1. Double Your Website's Performance In 5 Minutes Dan DeFelippi http://razorfast.com http://driverdan.com
  • 2. Who Am I?
    • Dan DeFelippi
    • Lead Web Developer, GripMedia Inc.
      • Consulting
      • Website & server performance review
      • Freelance development
      • Server admin
  • 3. Why Performance Matters
      • Slow Website = Sad Users
      • Improved Conversions
      • Lower Bounce Rates
      • Longer visits
  • 4. Client-side vs Server-side
      • Simple things are quick
      • Everything else is time consuming
      • Good free tools available
      • Requires more work
      • May require configuration changes
      • Small changes = big improvements
      • Rarely a hardware issue
  • 5. The Basics
      • Gzip Everything
      • Keep-Alive
      • Expires Headers
      • Cache Everything
      • Combine & Minify CSS files
      • Combine & Minify JS files
      • Minify images
    Minimize & Reduce
  • 6. More Advanced
      • Use a CDN
      • Sprites
      • Data URIs
      • Eliminate Unnecessary Data
      • Lazy Loading
  • 7. Performance Resources
      • Steve Souders http://stevesouders.com/
      • Pagetest http://webpagetest.org/
      • Yahoo YSlow http://developer.yahoo.com/yslow/
      • Google Page Speed http://code.google.com/speed/page-speed/
      • dynaTrace AJAX http://ajax.dynatrace.com/pages/
      • Zoompf http://zoompf.com/
      • JSLint http://www.jslint.com/
      • Yahoo YUI Compressor http://developer.yahoo.com/yui/compressor/
      • Google Closure Compiler http://code.google.com/closure/compiler/ 
  • 8. Questions
    •  
    • Dan DeFelippi
    •  
    • 585-466-4747 [email_address]
    • Twitter: ExpertDan
    • http://driverdan.com