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  • Web accessibility for cognitive disabilities and learning difficulties

    By Ian Pouncey · Wednesday, August 4, 2010 4

    The number of people with cognitive disabilities using the Web is comparable to those with visual impairments using the Web, yet the factors involved in making sure a web site is accessible to those with cognitive disabilities are much less well understood. In this article well will redress the balance, giving you a gentle introduction to the area of web accessibility for cognitive disabilities. Read more…

  • Building a custom HTML5 video player with CSS3 and jQuery

    By Ionut Colceriu · Wednesday, July 28, 2010 50

    In this article we make full use of the HTML5 video element and associated media elements API — along with jQuery and some CSS3 magic — to make a fully-customizable, themeable HTML5 video player. To round things off, the player is encapsulated as a jQuery plugin for easier reuse. Read more…

  • Mobile-friendly: The mobile web optimization guide

    By Bruce Lawson · Wednesday, July 28, 2010 4

    Everyone wants to make their sites “mobile friendly” these days — the mobile web market is becoming big business. This article takes you through the different available strategies for making your websites mobile browser compatible, sharing many tips and tricks along the way. Read more…

  • Cross-browser CSS box-shadows

    By Rustam Gaffanov · Thursday, July 15, 2010 20

    CSS3 box-shadow is a very useful property — creating drop shadows programmatically can save web designers a lot of time in image editing software. However we have a problem if we need to replicate those shadows in Internet Explorer, which does not support this property. In this article, we present a cross-browser solution that uses box-shadow in supporting browsers, and IE filters to fake the drop shadows in IE. Read more…

  • An HTML5 <audio> radio player

    By Trygve Lie · Tuesday, July 6, 2010 7

    In this article Trygve Lie takes you through the basics of the HTML5 element, then uses jQuery and jPlayer to build a cross-browser radio player based on with a Flash fallback. As a final step, he converts the player into an Opera Widget for added cross-device appeal. Read more…

  • Web Workers rise up!

    By Daniel Davis · Thursday, July 1, 2010 11

    In this article you will meet Web Workers, one of many technologies that, together with HTML5, are forming the next generation of the open web. Web Workers allow you to create separate processes in your JavaScript to deal with number crunching, while your main process remains as responsive as possible for the users of your applications. Read more…

  • Running your web applications offline with HTML5 AppCache

    By Shwetank Dixit · Thursday, July 1, 2010 22

    In this article Shwetank Dixit explains how to use the HTML5 application cache feature to make your web apps run offline. Read more…

  • How to use the W3C Geolocation API

    By Shwetank Dixit · Wednesday, June 16, 2010 164

    In this article, Opera Web Evangelist Shwetank gives you a guide to the W3C Geolocation API, which is newly-supported in our Opera 10.60 beta release. Find out how to add location awareness to your Web apps for a lot of interesting possibilities! Read more…

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