Build Web Applications
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HTML is now the markup language for web apps. But it has been the markup language of the web for years! How is it different, this time?
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Build Web Applications
- 2. Mobile applications can be downloaded completely ahead of time (at least the layout logic) The server is only required to fetch new data or perform actions through web services Data
- 3. A website today, however - makes however little use of the client capabilities - serves mostly static content - needs constant connection
- 4. Most of the layout proccess happens on the server and the client only receive content to display
- 5. The use of ASP or PHP when constructing the page itself is making it impossible to cache efficiently
- 6. Web Application A web application is a Client-like application using the Web stack and platform. It should offer offline capabilities and caching.
- 7. Website as an Application A classical website build using the same principles as Web Applications, relying on the browser-implemented caches.
- 8. Fast website, low bandwidth usage
- 9. Easy to build applications, easy for others to consume data and create application using your data (you can monetize)
- 10. Offline access, separation of data and layout both on the server and the client, and both can be cached independently by the appropriate storage
- 11. The tools The tools already exist today. Windows 8 is using IE10. webOS used Webkit. You can start building your apps nox!
- 12. JSON WebServices + AJAX • Everything you do on your website should be done by a webservice call using a js-httprequest • Use only static HTML, JS and CSS file for your site • Don’t rely on <form> POST, only on WCF+JSON
- 13. AJAX Extension for jQuery • Transform your webservices into JS • Allow you to use complex JSON representation • Or use your own API (more possibilities = more work)
- 14. sessionStorage and localStorage • Up to 10 Mo for your application to store data • An addition to the traditionnal cache • Very easy to use and already implemented (IE8+) • Can be emulated with cookies for older browsers
- 15. SVG and HTML Canvas • Generating graphics should be done locally (if possible) • It was a complex task before, but it has been made a lot easier with SVG and HTML Canvas • Generating graphics locally give you more freedom 5 0 Category 1 Category 2 Category 3 Category 4
- 16. Twitter uses the first page only to display its main bar After that, all the content is fetched through a JSON webservice and displayed by some JavaScript code
- 17. Windows Live Mail makes a perfect use of the Exchange API implemented in Hotmail to provide a very good experience Transition to webapp is in the works Live Mail
- 18. Wolfram|Alpha uses its own service on their website It means they build an high quality webservice that you can use to make applications as great as their website
- 19. Demo