list 2 séquences
assignment Niveau : Introductif
chat_bubble_outline Langue : Anglais
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Les infos clés

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En résumé

Did you know that images account for more than **60%** of the bytes on average needed to load a web page? In this course you will learn how to work with images on the modern web, so that your images look great and load quickly on any device. Along the way, you will pick up a range of skills and techniques to smoothly integrate responsive images into your development workflow. By the end of the course, you will be developing with images that adapt and respond to different viewport sizes and usage scenarios.

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Le programme

Lesson 1 - Getting up and Running

Before you start working with responsive images, you need to start debugging on your mobile devices. This lesson will help you get started with Developer Tools and mobile debugging.

Lesson 2 - Units, Formats, Environments

You can't optimize what you can't measure. In this lesson, you will start with comparing different kinds of images on the web and getting familiar with different units you can use to scale them. You will also get a chance to set up your development environment so that responsive images become a painless part of your workflow. At the end of the lesson, you will start working on the responsive blog project, where you have a chance to apply responsive image principles in a real-world scenario! Topics covered: * Sizing Images * File Types * Automation Tools

Lesson 3 - Images with Markup

Not all graphics need to be .JPGs or .PNGs. This lesson dives into using markup techniques like CSS and icon fonts to create responsive graphics. While markup techniques are awesome because they are natively responsive, they are often **extremely** lightweight, requiring a fraction of the bytes of traditional images! At the end of the lesson, you will replace extraneous images with markup techniques and take advantage of font icons to add social media icons to the responsive blog project! Topics covered: * CSS Techniques * Inlining Images * Unicode * Icon fonts

Lesson 4 - Full Responsiveness

Here comes the full monty! In this lesson, you will make your images fully responsive using the new `` element! Along the way, you will use the `srcset` and `sizes` attributes. You will also learn the importance of `alt` attributes for your visually impaired users. At the end of this lesson, you will make the blog project fully responsive, as you implement `` to display beautiful images across a range of device widths and pixel ratios. Topics covered: * `` * `sizes` attribute * `srcset` attribute * `alt` attributes
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Les intervenants

  • Sam Dutton - Sam Dutton is a Developer Advocate for Google. He also publishes the monthly media tech newsletter medianews.me and maintains simpl.info, which provides the simplest possible examples of HTML, CSS and JavaScript. Sam grew up in South Australia, went to university in Sydney, and has lived since 1986 in London. He has designed and coded lots of websites, including previous releases of itn.co.uk and deccaclassics.com.
  • Cameron Pittman - A passionate educator and programmer, Cameron lives and breathes web development as he creates programming courses at Udacity. Before coming here, Cameron was a combination Director of Content and web developer at Seattle startup LearnBIG. He taught four years of high school physics and chemistry in Nashville, TN, during which time he pioneered teaching physics with the video game Portal 2. Cameron graduated with a degree in physics and astronomy from Vanderbilt University and earned his master's in teaching from Belmont University.
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Le concepteur

Google est une entreprise fondée le 4 septembre 1998 dans le garage Google dans la Silicon Valley, en Californie, par Larry Page et Sergueï Brin, créateurs du moteur de recherche Google.

L'entreprise s'est principalement fait connaître à travers la situation monopolistique de son moteur de recherche, concurrencé historiquement par AltaVista puis par Yahoo! et Bing. Elle a ensuite procédé à de nombreuses acquisitions et développements et détient aujourd'hui de nombreux logiciels et sites web notables parmi lesquels YouTube, le système d'exploitation pour téléphones mobiles Android, ainsi que d'autres services tels que Google Earth, Google Maps ou Google Play.

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La plateforme

Udacity est une entreprise fondé par Sebastian Thrun, David Stavens, et Mike Sokolsky offrant cours en ligne ouvert et massif.

Selon Thrun, l'origine du nom Udacity vient de la volonté de l'entreprise d'être "audacieux pour vous, l'étudiant ". Bien que Udacity se concentrait à l'origine sur une offre de cours universitaires, la plateforme se concentre désormais plus sur de formations destinés aux professionnels.

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