SlideShare a Scribd company logo

Images - 7 mistakes

•Download as PPT, PDF•
•
Stoyan Stefanov
Stoyan Stefanov

A 5 minutes lightning talk from Ajax Experience 2008, introducing the smush.it tool (smush.it)

TechnologyEconomy & Finance
1 of 11
Image Optimization: 7 mistakes Nicole Sullivan, Stoyan Stefanov Ajax Experience Boston, Sep 30 th , 2008
On the agenda ,[object Object],[object Object]
[object Object]
What % of page weight is images? ,[object Object],[object Object],[object Object],[object Object],36% Yahoo! JP 10 27% Blogger 9 35% Facebook 8 39% Wikipedia 7 48% MySpace 6 41% MSN 5 64% Live.com 4 62% YouTube 3 75% Google 2 29% Yahoo! 1
Best practices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Best practices – automation, lossless ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Top 10 sites save ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object]
Let’s keep talking... Nicole Sullivan http://stubbornella.org Stoyan Stefanov http://phpied.com
URLs: Tools ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Recommended

Images - 7 mistakes (first draft)
Images - 7 mistakes (first draft)Images - 7 mistakes (first draft)
Images - 7 mistakes (first draft)
Stoyan Stefanov
 
WIDS - Gamifying Open Source
WIDS - Gamifying Open SourceWIDS - Gamifying Open Source
WIDS - Gamifying Open Source
Gautam Rege
 
Work in Cologne
Work in Cologne Work in Cologne
Work in Cologne
Russell Stannard
 
Question 6
Question 6 Question 6
Question 6
0blivi4te
 
YSlow hacking
YSlow hackingYSlow hacking
YSlow hacking
Stoyan Stefanov
 
Yahoo - Web Images optimization
Yahoo - Web Images optimizationYahoo - Web Images optimization
Yahoo - Web Images optimization
Eduard Bondarenko
 
Image Optimization for the Web at php|works
Image Optimization for the Web at php|worksImage Optimization for the Web at php|works
Image Optimization for the Web at php|works
Stoyan Stefanov
 
After YSlow "A"
After YSlow "A"After YSlow "A"
After YSlow "A"
Nicole Sullivan
 

Recommended

Images - 7 mistakes (first draft)
Images - 7 mistakes (first draft)Images - 7 mistakes (first draft)
Images - 7 mistakes (first draft)
Stoyan Stefanov
 
WIDS - Gamifying Open Source
WIDS - Gamifying Open SourceWIDS - Gamifying Open Source
WIDS - Gamifying Open Source
Gautam Rege
 
Work in Cologne
Work in Cologne Work in Cologne
Work in Cologne
Russell Stannard
 
Question 6
Question 6 Question 6
Question 6
0blivi4te
 
YSlow hacking
YSlow hackingYSlow hacking
YSlow hacking
Stoyan Stefanov
 
Yahoo - Web Images optimization
Yahoo - Web Images optimizationYahoo - Web Images optimization
Yahoo - Web Images optimization
Eduard Bondarenko
 
Image Optimization for the Web at php|works
Image Optimization for the Web at php|worksImage Optimization for the Web at php|works
Image Optimization for the Web at php|works
Stoyan Stefanov
 
After YSlow "A"
After YSlow "A"After YSlow "A"
After YSlow "A"
Nicole Sullivan
 
WordCamp Birmingham 2017 - Blogging strategies for 2018
WordCamp Birmingham 2017 - Blogging strategies for 2018WordCamp Birmingham 2017 - Blogging strategies for 2018
WordCamp Birmingham 2017 - Blogging strategies for 2018
Mickey Mellen
 
Ignite Velocity: Image Weight Loss Clinic
Ignite Velocity: Image Weight Loss ClinicIgnite Velocity: Image Weight Loss Clinic
Ignite Velocity: Image Weight Loss Clinic
Stoyan Stefanov
 
Voices that matter: High Performance Web Sites
Voices that matter: High Performance Web SitesVoices that matter: High Performance Web Sites
Voices that matter: High Performance Web Sites
Stoyan Stefanov
 
Working with Images
Working with ImagesWorking with Images
Working with Images
SitesPlus
 
The Best WordPress Image Grids Plugins
The Best WordPress Image Grids PluginsThe Best WordPress Image Grids Plugins
The Best WordPress Image Grids Plugins
Jacques Surveyer
 
Putting Your Images on a Diet (SmashingConf, 2014)
Putting Your Images on a Diet (SmashingConf, 2014)Putting Your Images on a Diet (SmashingConf, 2014)
Putting Your Images on a Diet (SmashingConf, 2014)
Guy Podjarny
 
Reactive JavaScript
Reactive JavaScriptReactive JavaScript
Reactive JavaScript
Stoyan Stefanov
 
Liking performance
Liking performanceLiking performance
Liking performance
Stoyan Stefanov
 
JavaScript Performance Patterns
JavaScript Performance PatternsJavaScript Performance Patterns
JavaScript Performance Patterns
Stoyan Stefanov
 
JavaScript performance patterns
JavaScript performance patternsJavaScript performance patterns
JavaScript performance patterns
Stoyan Stefanov
 
High Performance Social Plugins
High Performance Social PluginsHigh Performance Social Plugins
High Performance Social Plugins
Stoyan Stefanov
 
Social Button BFFs
Social Button BFFsSocial Button BFFs
Social Button BFFs
Stoyan Stefanov
 
JavaScript навсякъде
JavaScript навсякъдеJavaScript навсякъде
JavaScript навсякъде
Stoyan Stefanov
 
JavaScript is everywhere
JavaScript is everywhereJavaScript is everywhere
JavaScript is everywhere
Stoyan Stefanov
 
JavaScript shell scripting
JavaScript shell scriptingJavaScript shell scripting
JavaScript shell scripting
Stoyan Stefanov
 
JavaScript for PHP developers
JavaScript for PHP developersJavaScript for PHP developers
JavaScript for PHP developers
Stoyan Stefanov
 
WPO @ PubCon 2010
WPO @ PubCon 2010WPO @ PubCon 2010
WPO @ PubCon 2010
Stoyan Stefanov
 
Progressive Downloads and Rendering - take #2
Progressive Downloads and Rendering - take #2Progressive Downloads and Rendering - take #2
Progressive Downloads and Rendering - take #2
Stoyan Stefanov
 
Progressive Downloads and Rendering
Progressive Downloads and RenderingProgressive Downloads and Rendering
Progressive Downloads and Rendering
Stoyan Stefanov
 
Performance patterns
Performance patternsPerformance patterns
Performance patterns
Stoyan Stefanov
 
Psychology of performance
Psychology of performancePsychology of performance
Psychology of performance
Stoyan Stefanov
 
3-in-1 YSlow
3-in-1 YSlow3-in-1 YSlow
3-in-1 YSlow
Stoyan Stefanov
 

More Related Content

Similar to Images - 7 mistakes

Voices that matter: High Performance Web Sites
Voices that matter: High Performance Web SitesVoices that matter: High Performance Web Sites
Voices that matter: High Performance Web Sites
Stoyan Stefanov
 
Putting Your Images on a Diet (SmashingConf, 2014)
Putting Your Images on a Diet (SmashingConf, 2014)Putting Your Images on a Diet (SmashingConf, 2014)
Putting Your Images on a Diet (SmashingConf, 2014)
Guy Podjarny
 

Similar to Images - 7 mistakes (6)

WordCamp Birmingham 2017 - Blogging strategies for 2018
WordCamp Birmingham 2017 - Blogging strategies for 2018WordCamp Birmingham 2017 - Blogging strategies for 2018
WordCamp Birmingham 2017 - Blogging strategies for 2018
 
Ignite Velocity: Image Weight Loss Clinic
Ignite Velocity: Image Weight Loss ClinicIgnite Velocity: Image Weight Loss Clinic
Ignite Velocity: Image Weight Loss Clinic
 
Voices that matter: High Performance Web Sites
Voices that matter: High Performance Web SitesVoices that matter: High Performance Web Sites
Voices that matter: High Performance Web Sites
 
Working with Images
Working with ImagesWorking with Images
Working with Images
 
The Best WordPress Image Grids Plugins
The Best WordPress Image Grids PluginsThe Best WordPress Image Grids Plugins
The Best WordPress Image Grids Plugins
 
Putting Your Images on a Diet (SmashingConf, 2014)
Putting Your Images on a Diet (SmashingConf, 2014)Putting Your Images on a Diet (SmashingConf, 2014)
Putting Your Images on a Diet (SmashingConf, 2014)
 

More from Stoyan Stefanov

JavaScript is everywhere
JavaScript is everywhereJavaScript is everywhere
JavaScript is everywhere
Stoyan Stefanov
 
JavaScript shell scripting
JavaScript shell scriptingJavaScript shell scripting
JavaScript shell scripting
Stoyan Stefanov
 
JavaScript for PHP developers
JavaScript for PHP developersJavaScript for PHP developers
JavaScript for PHP developers
Stoyan Stefanov
 

More from Stoyan Stefanov (20)

Reactive JavaScript
Reactive JavaScriptReactive JavaScript
Reactive JavaScript
 
Liking performance
Liking performanceLiking performance
Liking performance
 
JavaScript Performance Patterns
JavaScript Performance PatternsJavaScript Performance Patterns
JavaScript Performance Patterns
 
JavaScript performance patterns
JavaScript performance patternsJavaScript performance patterns
JavaScript performance patterns
 
High Performance Social Plugins
High Performance Social PluginsHigh Performance Social Plugins
High Performance Social Plugins
 
Social Button BFFs
Social Button BFFsSocial Button BFFs
Social Button BFFs
 
JavaScript навсякъде
JavaScript навсякъдеJavaScript навсякъде
JavaScript навсякъде
 
JavaScript is everywhere
JavaScript is everywhereJavaScript is everywhere
JavaScript is everywhere
 
JavaScript shell scripting
JavaScript shell scriptingJavaScript shell scripting
JavaScript shell scripting
 
JavaScript for PHP developers
JavaScript for PHP developersJavaScript for PHP developers
JavaScript for PHP developers
 
WPO @ PubCon 2010
WPO @ PubCon 2010WPO @ PubCon 2010
WPO @ PubCon 2010
 
Progressive Downloads and Rendering - take #2
Progressive Downloads and Rendering - take #2Progressive Downloads and Rendering - take #2
Progressive Downloads and Rendering - take #2
 
Progressive Downloads and Rendering
Progressive Downloads and RenderingProgressive Downloads and Rendering
Progressive Downloads and Rendering
 
Performance patterns
Performance patternsPerformance patterns
Performance patterns
 
Psychology of performance
Psychology of performancePsychology of performance
Psychology of performance
 
3-in-1 YSlow
3-in-1 YSlow3-in-1 YSlow
3-in-1 YSlow
 
CSS and image optimization
CSS and image optimizationCSS and image optimization
CSS and image optimization
 
High-performance DOM scripting
High-performance DOM scriptingHigh-performance DOM scripting
High-performance DOM scripting
 
The business of performance
The business of performanceThe business of performance
The business of performance
 
JavaScript Patterns
JavaScript PatternsJavaScript Patterns
JavaScript Patterns
 

Recently uploaded

From Event to Action: Accelerate Your Decision Making with Real-Time Automation
From Event to Action: Accelerate Your Decision Making with Real-Time AutomationFrom Event to Action: Accelerate Your Decision Making with Real-Time Automation
From Event to Action: Accelerate Your Decision Making with Real-Time Automation
Safe Software
 
Strategize a Smooth Tenant-to-tenant Migration and Copilot Takeoff
Strategize a Smooth Tenant-to-tenant Migration and Copilot TakeoffStrategize a Smooth Tenant-to-tenant Migration and Copilot Takeoff
Strategize a Smooth Tenant-to-tenant Migration and Copilot Takeoff
sammart93
 
Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...
Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...
Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...
Miguel Araújo
 
Boost PC performance: How more available memory can improve productivity
Boost PC performance: How more available memory can improve productivityBoost PC performance: How more available memory can improve productivity
Boost PC performance: How more available memory can improve productivity
Principled Technologies
 
Histor y of HAM Radio presentation slide
Histor y of HAM Radio presentation slideHistor y of HAM Radio presentation slide
Histor y of HAM Radio presentation slide
vu2urc
 
Driving Behavioral Change for Information Management through Data-Driven Gree...
Driving Behavioral Change for Information Management through Data-Driven Gree...Driving Behavioral Change for Information Management through Data-Driven Gree...
Driving Behavioral Change for Information Management through Data-Driven Gree...
Enterprise Knowledge
 
Strategies for Unlocking Knowledge Management in Microsoft 365 in the Copilot...
Strategies for Unlocking Knowledge Management in Microsoft 365 in the Copilot...Strategies for Unlocking Knowledge Management in Microsoft 365 in the Copilot...
Strategies for Unlocking Knowledge Management in Microsoft 365 in the Copilot...
Drew Madelung
 
TrustArc Webinar - Unlock the Power of AI-Driven Data Discovery
TrustArc Webinar - Unlock the Power of AI-Driven Data DiscoveryTrustArc Webinar - Unlock the Power of AI-Driven Data Discovery
TrustArc Webinar - Unlock the Power of AI-Driven Data Discovery
TrustArc
 

Recently uploaded (20)

From Event to Action: Accelerate Your Decision Making with Real-Time Automation
From Event to Action: Accelerate Your Decision Making with Real-Time AutomationFrom Event to Action: Accelerate Your Decision Making with Real-Time Automation
From Event to Action: Accelerate Your Decision Making with Real-Time Automation
 
Strategize a Smooth Tenant-to-tenant Migration and Copilot Takeoff
Strategize a Smooth Tenant-to-tenant Migration and Copilot TakeoffStrategize a Smooth Tenant-to-tenant Migration and Copilot Takeoff
Strategize a Smooth Tenant-to-tenant Migration and Copilot Takeoff
 
How to Troubleshoot Apps for the Modern Connected Worker
How to Troubleshoot Apps for the Modern Connected WorkerHow to Troubleshoot Apps for the Modern Connected Worker
How to Troubleshoot Apps for the Modern Connected Worker
 
Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...
Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...
Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...
 
Boost PC performance: How more available memory can improve productivity
Boost PC performance: How more available memory can improve productivityBoost PC performance: How more available memory can improve productivity
Boost PC performance: How more available memory can improve productivity
 
Tech Trends Report 2024 Future Today Institute.pdf
Tech Trends Report 2024 Future Today Institute.pdfTech Trends Report 2024 Future Today Institute.pdf
Tech Trends Report 2024 Future Today Institute.pdf
 
Histor y of HAM Radio presentation slide
Histor y of HAM Radio presentation slideHistor y of HAM Radio presentation slide
Histor y of HAM Radio presentation slide
 
[2024]Digital Global Overview Report 2024 Meltwater.pdf
[2024]Digital Global Overview Report 2024 Meltwater.pdf[2024]Digital Global Overview Report 2024 Meltwater.pdf
[2024]Digital Global Overview Report 2024 Meltwater.pdf
 
Driving Behavioral Change for Information Management through Data-Driven Gree...
Driving Behavioral Change for Information Management through Data-Driven Gree...Driving Behavioral Change for Information Management through Data-Driven Gree...
Driving Behavioral Change for Information Management through Data-Driven Gree...
 
HTML Injection Attacks: Impact and Mitigation Strategies
HTML Injection Attacks: Impact and Mitigation StrategiesHTML Injection Attacks: Impact and Mitigation Strategies
HTML Injection Attacks: Impact and Mitigation Strategies
 
Data Cloud, More than a CDP by Matt Robison
Data Cloud, More than a CDP by Matt RobisonData Cloud, More than a CDP by Matt Robison
Data Cloud, More than a CDP by Matt Robison
 
GenCyber Cyber Security Day Presentation
GenCyber Cyber Security Day PresentationGenCyber Cyber Security Day Presentation
GenCyber Cyber Security Day Presentation
 
Strategies for Landing an Oracle DBA Job as a Fresher
Strategies for Landing an Oracle DBA Job as a FresherStrategies for Landing an Oracle DBA Job as a Fresher
Strategies for Landing an Oracle DBA Job as a Fresher
 
AWS Community Day CPH - Three problems of Terraform
AWS Community Day CPH - Three problems of TerraformAWS Community Day CPH - Three problems of Terraform
AWS Community Day CPH - Three problems of Terraform
 
Apidays New York 2024 - The value of a flexible API Management solution for O...
Apidays New York 2024 - The value of a flexible API Management solution for O...Apidays New York 2024 - The value of a flexible API Management solution for O...
Apidays New York 2024 - The value of a flexible API Management solution for O...
 
Connector Corner: Accelerate revenue generation using UiPath API-centric busi...
Connector Corner: Accelerate revenue generation using UiPath API-centric busi...Connector Corner: Accelerate revenue generation using UiPath API-centric busi...
Connector Corner: Accelerate revenue generation using UiPath API-centric busi...
 
Handwritten Text Recognition for manuscripts and early printed texts
Handwritten Text Recognition for manuscripts and early printed textsHandwritten Text Recognition for manuscripts and early printed texts
Handwritten Text Recognition for manuscripts and early printed texts
 
Workshop - Best of Both Worlds_ Combine KG and Vector search for enhanced R...
Workshop - Best of Both Worlds_ Combine KG and Vector search for enhanced R...Workshop - Best of Both Worlds_ Combine KG and Vector search for enhanced R...
Workshop - Best of Both Worlds_ Combine KG and Vector search for enhanced R...
 
Strategies for Unlocking Knowledge Management in Microsoft 365 in the Copilot...
Strategies for Unlocking Knowledge Management in Microsoft 365 in the Copilot...Strategies for Unlocking Knowledge Management in Microsoft 365 in the Copilot...
Strategies for Unlocking Knowledge Management in Microsoft 365 in the Copilot...
 
TrustArc Webinar - Unlock the Power of AI-Driven Data Discovery
TrustArc Webinar - Unlock the Power of AI-Driven Data DiscoveryTrustArc Webinar - Unlock the Power of AI-Driven Data Discovery
TrustArc Webinar - Unlock the Power of AI-Driven Data Discovery
 

Images - 7 mistakes

  • 1. Image Optimization: 7 mistakes Nicole Sullivan, Stoyan Stefanov Ajax Experience Boston, Sep 30 th , 2008
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10. Let’s keep talking... Nicole Sullivan http://stubbornella.org Stoyan Stefanov http://phpied.com
  • 11.