SlideShare a Scribd company logo

JavaScript, Progressive Enhancement & Performance

•
•
Chris Casciano
Chris Casciano

Discussion of JavaScript's Role in Progressive Enhancement with a focus on client side performance. Presented at the NY Web Performance Group Meetup, "Progressive enhancement for better performance", May 19, 2010, NYC http://www.meetup.com/Web-Performance-NY/calendar/12937867/

Technology
1 of 51
Download to read offline
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance
JavaScript, Progressive Enhancement & Performance

Recommended

Html5 today
Html5 todayHtml5 today
Html5 todayRoy Yu
 
HTML XHTML HTML5
HTML XHTML HTML5HTML XHTML HTML5
HTML XHTML HTML5timstone
 
Rc064 010d Core Html 1
Rc064 010d Core Html 1Rc064 010d Core Html 1
Rc064 010d Core Html 1troopergreen
 
Biblia javascript
Biblia javascriptBiblia javascript
Biblia javascriptJoel Ramirez Gonzalez
 
Yokozuna
YokozunaYokozuna
YokozunaPDX Web & Design
 
Precaulculo presentacion
Precaulculo presentacionPrecaulculo presentacion
Precaulculo presentacionstefcont
 
Kod Disiplin/Code of Conduct
Kod Disiplin/Code of ConductKod Disiplin/Code of Conduct
Kod Disiplin/Code of ConductCatherine Hsu
 
Customer satisfaction monitor
Customer satisfaction monitorCustomer satisfaction monitor
Customer satisfaction monitorGeorge
 

Recommended

Html5 today
Html5 todayHtml5 today
Html5 todayRoy Yu
 
HTML XHTML HTML5
HTML XHTML HTML5HTML XHTML HTML5
HTML XHTML HTML5timstone
 
Rc064 010d Core Html 1
Rc064 010d Core Html 1Rc064 010d Core Html 1
Rc064 010d Core Html 1troopergreen
 
Biblia javascript
Biblia javascriptBiblia javascript
Biblia javascriptJoel Ramirez Gonzalez
 
Yokozuna
YokozunaYokozuna
YokozunaPDX Web & Design
 
Precaulculo presentacion
Precaulculo presentacionPrecaulculo presentacion
Precaulculo presentacionstefcont
 
Kod Disiplin/Code of Conduct
Kod Disiplin/Code of ConductKod Disiplin/Code of Conduct
Kod Disiplin/Code of ConductCatherine Hsu
 
Customer satisfaction monitor
Customer satisfaction monitorCustomer satisfaction monitor
Customer satisfaction monitorGeorge
 
Damien puljicimplications for teaching and learning
Damien puljicimplications for teaching and learningDamien puljicimplications for teaching and learning
Damien puljicimplications for teaching and learningdamienpuljic
 
Upos Jan 10
Upos Jan 10Upos Jan 10
Upos Jan 10UPOS
 
Thinking in Streaming - Twitter Streaming API
Thinking in Streaming - Twitter Streaming APIThinking in Streaming - Twitter Streaming API
Thinking in Streaming - Twitter Streaming APIjkalucki
 
Precálculo presentación
Precálculo presentaciónPrecálculo presentación
Precálculo presentaciónstefcont
 
Laboratorio en enfermedades reumáticas
Laboratorio en enfermedades reumáticasLaboratorio en enfermedades reumáticas
Laboratorio en enfermedades reumáticasInstituto Nuestra Señora del Rosario de Pompeya
 
Damien puljicimplications for teaching and learning
Damien puljicimplications for teaching and learningDamien puljicimplications for teaching and learning
Damien puljicimplications for teaching and learningdamienpuljic
 
Gemini 56 Soesterberg (www.boonmakelaars.nl)
Gemini 56 Soesterberg (www.boonmakelaars.nl)Gemini 56 Soesterberg (www.boonmakelaars.nl)
Gemini 56 Soesterberg (www.boonmakelaars.nl)guestaa6a98
 
My trailer2
My trailer2My trailer2
My trailer2molly
 
Dúas augas moitos peixes
Dúas augas moitos peixesDúas augas moitos peixes
Dúas augas moitos peixeslianoa
 
The Sound of Hope, Cate Bulletin, Fall 2011
The Sound of Hope, Cate Bulletin, Fall 2011The Sound of Hope, Cate Bulletin, Fall 2011
The Sound of Hope, Cate Bulletin, Fall 2011Catherine Hsu
 
WFP Angola Nutrition Work
WFP Angola Nutrition WorkWFP Angola Nutrition Work
WFP Angola Nutrition WorkCatherine Hsu
 
Policy Paper: Direct Certification and Verification in CA School Meals
Policy Paper: Direct Certification and Verification in CA School MealsPolicy Paper: Direct Certification and Verification in CA School Meals
Policy Paper: Direct Certification and Verification in CA School MealsCatherine Hsu
 
Html5
Html5Html5
Html5DearFriends
 
Nutrition Advocacy in California
Nutrition Advocacy in CaliforniaNutrition Advocacy in California
Nutrition Advocacy in CaliforniaCatherine Hsu
 
"ML in Production",Oleksandr Bagan
"ML in Production",Oleksandr Bagan"ML in Production",Oleksandr Bagan
"ML in Production",Oleksandr BaganFwdays
 
DSPy a system for AI to Write Prompts and Do Fine Tuning
DSPy a system for AI to Write Prompts and Do Fine TuningDSPy a system for AI to Write Prompts and Do Fine Tuning
DSPy a system for AI to Write Prompts and Do Fine TuningLars Bell
 
Ensuring Technical Readiness For Copilot in Microsoft 365
Ensuring Technical Readiness For Copilot in Microsoft 365Ensuring Technical Readiness For Copilot in Microsoft 365
Ensuring Technical Readiness For Copilot in Microsoft 3652toLead Limited
 
Hyperautomation and AI/ML: A Strategy for Digital Transformation Success.pdf
Hyperautomation and AI/ML: A Strategy for Digital Transformation Success.pdfHyperautomation and AI/ML: A Strategy for Digital Transformation Success.pdf
Hyperautomation and AI/ML: A Strategy for Digital Transformation Success.pdfPrecisely
 
How to write a Business Continuity Plan
How to write a Business Continuity PlanHow to write a Business Continuity Plan
How to write a Business Continuity PlanDatabarracks
 
DevEX - reference for building teams, processes, and platforms
DevEX - reference for building teams, processes, and platformsDevEX - reference for building teams, processes, and platforms
DevEX - reference for building teams, processes, and platformsSergiu Bodiu
 
How AI, OpenAI, and ChatGPT impact business and software.
How AI, OpenAI, and ChatGPT impact business and software.How AI, OpenAI, and ChatGPT impact business and software.
How AI, OpenAI, and ChatGPT impact business and software.Curtis Poe
 
Gen AI in Business - Global Trends Report 2024.pdf
Gen AI in Business - Global Trends Report 2024.pdfGen AI in Business - Global Trends Report 2024.pdf
Gen AI in Business - Global Trends Report 2024.pdfAddepto
 

More Related Content

Viewers also liked

Damien puljicimplications for teaching and learning
Damien puljicimplications for teaching and learningDamien puljicimplications for teaching and learning
Damien puljicimplications for teaching and learningdamienpuljic
 
Upos Jan 10
Upos Jan 10Upos Jan 10
Upos Jan 10UPOS
 
Thinking in Streaming - Twitter Streaming API
Thinking in Streaming - Twitter Streaming APIThinking in Streaming - Twitter Streaming API
Thinking in Streaming - Twitter Streaming APIjkalucki
 
Precálculo presentación
Precálculo presentaciónPrecálculo presentación
Precálculo presentaciónstefcont
 
Damien puljicimplications for teaching and learning
Damien puljicimplications for teaching and learningDamien puljicimplications for teaching and learning
Damien puljicimplications for teaching and learningdamienpuljic
 
Gemini 56 Soesterberg (www.boonmakelaars.nl)
Gemini 56 Soesterberg (www.boonmakelaars.nl)Gemini 56 Soesterberg (www.boonmakelaars.nl)
Gemini 56 Soesterberg (www.boonmakelaars.nl)guestaa6a98
 
My trailer2
My trailer2My trailer2
My trailer2molly
 
Dúas augas moitos peixes
Dúas augas moitos peixesDúas augas moitos peixes
Dúas augas moitos peixeslianoa
 
The Sound of Hope, Cate Bulletin, Fall 2011
The Sound of Hope, Cate Bulletin, Fall 2011The Sound of Hope, Cate Bulletin, Fall 2011
The Sound of Hope, Cate Bulletin, Fall 2011Catherine Hsu
 
WFP Angola Nutrition Work
WFP Angola Nutrition WorkWFP Angola Nutrition Work
WFP Angola Nutrition WorkCatherine Hsu
 
Policy Paper: Direct Certification and Verification in CA School Meals
Policy Paper: Direct Certification and Verification in CA School MealsPolicy Paper: Direct Certification and Verification in CA School Meals
Policy Paper: Direct Certification and Verification in CA School MealsCatherine Hsu
 
Nutrition Advocacy in California
Nutrition Advocacy in CaliforniaNutrition Advocacy in California
Nutrition Advocacy in CaliforniaCatherine Hsu
 

Viewers also liked (14)

Damien puljicimplications for teaching and learning
Damien puljicimplications for teaching and learningDamien puljicimplications for teaching and learning
Damien puljicimplications for teaching and learning
 
Upos Jan 10
Upos Jan 10Upos Jan 10
Upos Jan 10
 
Thinking in Streaming - Twitter Streaming API
Thinking in Streaming - Twitter Streaming APIThinking in Streaming - Twitter Streaming API
Thinking in Streaming - Twitter Streaming API
 
Precálculo presentación
Precálculo presentaciónPrecálculo presentación
Precálculo presentación
 
Laboratorio en enfermedades reumáticas
Laboratorio en enfermedades reumáticasLaboratorio en enfermedades reumáticas
Laboratorio en enfermedades reumáticas
 
Damien puljicimplications for teaching and learning
Damien puljicimplications for teaching and learningDamien puljicimplications for teaching and learning
Damien puljicimplications for teaching and learning
 
Gemini 56 Soesterberg (www.boonmakelaars.nl)
Gemini 56 Soesterberg (www.boonmakelaars.nl)Gemini 56 Soesterberg (www.boonmakelaars.nl)
Gemini 56 Soesterberg (www.boonmakelaars.nl)
 
My trailer2
My trailer2My trailer2
My trailer2
 
Dúas augas moitos peixes
Dúas augas moitos peixesDúas augas moitos peixes
Dúas augas moitos peixes
 
The Sound of Hope, Cate Bulletin, Fall 2011
The Sound of Hope, Cate Bulletin, Fall 2011The Sound of Hope, Cate Bulletin, Fall 2011
The Sound of Hope, Cate Bulletin, Fall 2011
 
WFP Angola Nutrition Work
WFP Angola Nutrition WorkWFP Angola Nutrition Work
WFP Angola Nutrition Work
 
Policy Paper: Direct Certification and Verification in CA School Meals
Policy Paper: Direct Certification and Verification in CA School MealsPolicy Paper: Direct Certification and Verification in CA School Meals
Policy Paper: Direct Certification and Verification in CA School Meals
 
Html5
Html5Html5
Html5
 
Nutrition Advocacy in California
Nutrition Advocacy in CaliforniaNutrition Advocacy in California
Nutrition Advocacy in California
 

Recently uploaded

"ML in Production",Oleksandr Bagan
"ML in Production",Oleksandr Bagan"ML in Production",Oleksandr Bagan
"ML in Production",Oleksandr BaganFwdays
 
DSPy a system for AI to Write Prompts and Do Fine Tuning
DSPy a system for AI to Write Prompts and Do Fine TuningDSPy a system for AI to Write Prompts and Do Fine Tuning
DSPy a system for AI to Write Prompts and Do Fine TuningLars Bell
 
Ensuring Technical Readiness For Copilot in Microsoft 365
Ensuring Technical Readiness For Copilot in Microsoft 365Ensuring Technical Readiness For Copilot in Microsoft 365
Ensuring Technical Readiness For Copilot in Microsoft 3652toLead Limited
 
Hyperautomation and AI/ML: A Strategy for Digital Transformation Success.pdf
Hyperautomation and AI/ML: A Strategy for Digital Transformation Success.pdfHyperautomation and AI/ML: A Strategy for Digital Transformation Success.pdf
Hyperautomation and AI/ML: A Strategy for Digital Transformation Success.pdfPrecisely
 
How to write a Business Continuity Plan
How to write a Business Continuity PlanHow to write a Business Continuity Plan
How to write a Business Continuity PlanDatabarracks
 
DevEX - reference for building teams, processes, and platforms
DevEX - reference for building teams, processes, and platformsDevEX - reference for building teams, processes, and platforms
DevEX - reference for building teams, processes, and platformsSergiu Bodiu
 
How AI, OpenAI, and ChatGPT impact business and software.
How AI, OpenAI, and ChatGPT impact business and software.How AI, OpenAI, and ChatGPT impact business and software.
How AI, OpenAI, and ChatGPT impact business and software.Curtis Poe
 
Gen AI in Business - Global Trends Report 2024.pdf
Gen AI in Business - Global Trends Report 2024.pdfGen AI in Business - Global Trends Report 2024.pdf
Gen AI in Business - Global Trends Report 2024.pdfAddepto
 
H2O.ai CEO/Founder: Sri Ambati Keynote at Wells Fargo Day
H2O.ai CEO/Founder: Sri Ambati Keynote at Wells Fargo DayH2O.ai CEO/Founder: Sri Ambati Keynote at Wells Fargo Day
H2O.ai CEO/Founder: Sri Ambati Keynote at Wells Fargo DaySri Ambati
 
Story boards and shot lists for my a level piece
Story boards and shot lists for my a level pieceStory boards and shot lists for my a level piece
Story boards and shot lists for my a level piececharlottematthew16
 
Take control of your SAP testing with UiPath Test Suite
Take control of your SAP testing with UiPath Test SuiteTake control of your SAP testing with UiPath Test Suite
Take control of your SAP testing with UiPath Test SuiteDianaGray10
 
TeamStation AI System Report LATAM IT Salaries 2024
TeamStation AI System Report LATAM IT Salaries 2024TeamStation AI System Report LATAM IT Salaries 2024
TeamStation AI System Report LATAM IT Salaries 2024Lonnie McRorey
 
TrustArc Webinar - How to Build Consumer Trust Through Data Privacy
TrustArc Webinar - How to Build Consumer Trust Through Data PrivacyTrustArc Webinar - How to Build Consumer Trust Through Data Privacy
TrustArc Webinar - How to Build Consumer Trust Through Data PrivacyTrustArc
 
Transcript: New from BookNet Canada for 2024: BNC CataList - Tech Forum 2024
Transcript: New from BookNet Canada for 2024: BNC CataList - Tech Forum 2024Transcript: New from BookNet Canada for 2024: BNC CataList - Tech Forum 2024
Transcript: New from BookNet Canada for 2024: BNC CataList - Tech Forum 2024BookNet Canada
 
"LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks...
"LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks..."LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks...
"LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks...Fwdays
 
The Ultimate Guide to Choosing WordPress Pros and Cons
The Ultimate Guide to Choosing WordPress Pros and ConsThe Ultimate Guide to Choosing WordPress Pros and Cons
The Ultimate Guide to Choosing WordPress Pros and ConsPixlogix Infotech
 
Connect Wave/ connectwave Pitch Deck Presentation
Connect Wave/ connectwave Pitch Deck PresentationConnect Wave/ connectwave Pitch Deck Presentation
Connect Wave/ connectwave Pitch Deck PresentationSlibray Presentation
 
Advanced Test Driven-Development @ php[tek] 2024
Advanced Test Driven-Development @ php[tek] 2024Advanced Test Driven-Development @ php[tek] 2024
Advanced Test Driven-Development @ php[tek] 2024Scott Keck-Warren
 
Commit 2024 - Secret Management made easy
Commit 2024 - Secret Management made easyCommit 2024 - Secret Management made easy
Commit 2024 - Secret Management made easyAlfredo García Lavilla
 
Streamlining Python Development: A Guide to a Modern Project Setup
Streamlining Python Development: A Guide to a Modern Project SetupStreamlining Python Development: A Guide to a Modern Project Setup
Streamlining Python Development: A Guide to a Modern Project SetupFlorian Wilhelm
 

Recently uploaded (20)

"ML in Production",Oleksandr Bagan
"ML in Production",Oleksandr Bagan"ML in Production",Oleksandr Bagan
"ML in Production",Oleksandr Bagan
 
DSPy a system for AI to Write Prompts and Do Fine Tuning
DSPy a system for AI to Write Prompts and Do Fine TuningDSPy a system for AI to Write Prompts and Do Fine Tuning
DSPy a system for AI to Write Prompts and Do Fine Tuning
 
Ensuring Technical Readiness For Copilot in Microsoft 365
Ensuring Technical Readiness For Copilot in Microsoft 365Ensuring Technical Readiness For Copilot in Microsoft 365
Ensuring Technical Readiness For Copilot in Microsoft 365
 
Hyperautomation and AI/ML: A Strategy for Digital Transformation Success.pdf
Hyperautomation and AI/ML: A Strategy for Digital Transformation Success.pdfHyperautomation and AI/ML: A Strategy for Digital Transformation Success.pdf
Hyperautomation and AI/ML: A Strategy for Digital Transformation Success.pdf
 
How to write a Business Continuity Plan
How to write a Business Continuity PlanHow to write a Business Continuity Plan
How to write a Business Continuity Plan
 
DevEX - reference for building teams, processes, and platforms
DevEX - reference for building teams, processes, and platformsDevEX - reference for building teams, processes, and platforms
DevEX - reference for building teams, processes, and platforms
 
How AI, OpenAI, and ChatGPT impact business and software.
How AI, OpenAI, and ChatGPT impact business and software.How AI, OpenAI, and ChatGPT impact business and software.
How AI, OpenAI, and ChatGPT impact business and software.
 
Gen AI in Business - Global Trends Report 2024.pdf
Gen AI in Business - Global Trends Report 2024.pdfGen AI in Business - Global Trends Report 2024.pdf
Gen AI in Business - Global Trends Report 2024.pdf
 
H2O.ai CEO/Founder: Sri Ambati Keynote at Wells Fargo Day
H2O.ai CEO/Founder: Sri Ambati Keynote at Wells Fargo DayH2O.ai CEO/Founder: Sri Ambati Keynote at Wells Fargo Day
H2O.ai CEO/Founder: Sri Ambati Keynote at Wells Fargo Day
 
Story boards and shot lists for my a level piece
Story boards and shot lists for my a level pieceStory boards and shot lists for my a level piece
Story boards and shot lists for my a level piece
 
Take control of your SAP testing with UiPath Test Suite
Take control of your SAP testing with UiPath Test SuiteTake control of your SAP testing with UiPath Test Suite
Take control of your SAP testing with UiPath Test Suite
 
TeamStation AI System Report LATAM IT Salaries 2024
TeamStation AI System Report LATAM IT Salaries 2024TeamStation AI System Report LATAM IT Salaries 2024
TeamStation AI System Report LATAM IT Salaries 2024
 
TrustArc Webinar - How to Build Consumer Trust Through Data Privacy
TrustArc Webinar - How to Build Consumer Trust Through Data PrivacyTrustArc Webinar - How to Build Consumer Trust Through Data Privacy
TrustArc Webinar - How to Build Consumer Trust Through Data Privacy
 
Transcript: New from BookNet Canada for 2024: BNC CataList - Tech Forum 2024
Transcript: New from BookNet Canada for 2024: BNC CataList - Tech Forum 2024Transcript: New from BookNet Canada for 2024: BNC CataList - Tech Forum 2024
Transcript: New from BookNet Canada for 2024: BNC CataList - Tech Forum 2024
 
"LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks...
"LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks..."LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks...
"LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks...
 
The Ultimate Guide to Choosing WordPress Pros and Cons
The Ultimate Guide to Choosing WordPress Pros and ConsThe Ultimate Guide to Choosing WordPress Pros and Cons
The Ultimate Guide to Choosing WordPress Pros and Cons
 
Connect Wave/ connectwave Pitch Deck Presentation
Connect Wave/ connectwave Pitch Deck PresentationConnect Wave/ connectwave Pitch Deck Presentation
Connect Wave/ connectwave Pitch Deck Presentation
 
Advanced Test Driven-Development @ php[tek] 2024
Advanced Test Driven-Development @ php[tek] 2024Advanced Test Driven-Development @ php[tek] 2024
Advanced Test Driven-Development @ php[tek] 2024
 
Commit 2024 - Secret Management made easy
Commit 2024 - Secret Management made easyCommit 2024 - Secret Management made easy
Commit 2024 - Secret Management made easy
 
Streamlining Python Development: A Guide to a Modern Project Setup
Streamlining Python Development: A Guide to a Modern Project SetupStreamlining Python Development: A Guide to a Modern Project Setup
Streamlining Python Development: A Guide to a Modern Project Setup
 

Editor's Notes