Accessibility
Keyboard accessibility in web applications: part 3
by Mihai Sucan
Keyboard accessibility in web applications: part 2
by Mihai Sucan
Keyboard accessibility in web applications: part 1
by Mihai Sucan
Keyboard-accessible Google Maps
by Patrick H. Lauke
Introduction to WAI ARIA
by Gez Lemon
Replacing <noscript> with accessible, unobtrusive DOM/JavaScript
by Frank M. Palinkas
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CSS
Seven Web Fonts showcases
by Chris Mills
Color in Opera 10 — HSL, RGB and Alpha Transparency
by Molly E. Holzschlag
Styling and extracting hCalendar
by Christopher Schmitt
Custom web fonts with sIFR
by Jake Smith
Styling hReview Microformats
by Christopher Schmitt
Introduction to hCard, Part two: Styling hCards
by Christopher Schmitt
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HTML
Adding meaning to your HTTP error pages!
by Stuart Colville
Introduction to hCard
by Christopher Schmitt
Location-based publishing and services
by Premasagar Rose
XFN encoding, extraction, and visualizations
by Brian Suda
The first working draft of HTML 5 is here!
by Anne van Kesteren
Microformat Encoding and Visualization
by Brian Suda
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JavaScript
JavaScript for hackers
by garethheyes
Creating pseudo 3D games with HTML 5 canvas and raycasting: Part 2
by Jacob Seidelin
Raphaël: a JavaScript API for SVG
by Dmitry Baranovskiy
Introducing The Dojo Toolkit
by SitePen, Inc.
Creating pseudo 3D games with HTML 5 canvas and raycasting
by Jacob Seidelin
Rich HTML editing in the browser: part 2
by Olav Junker Kjær
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Mobile
Mobile 1: Introduction to the mobile web
by Brian Suda
Opera Mobile 9.7 - features and standards support
by Chris Mills
Barcodes: connecting the real-world to the virtual
by Brian Suda
Mobile style - CSS Mobile Profile 2.0
by David Storey
Mobile markup - XHTML Basic 1.1
by David Storey
Opera Mobile 9.5 - the developer angle
by Chris Mills
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Opera
The Opera 10 experience
by Chris Mills
Seven Web Fonts showcases
by Chris Mills
The freelancing business part 3: scheduling your projects
by R Blank
Standards support in Opera Presto 2.2 and Opera 10 beta
by Chris Mills
Changes in Opera’s user agent string format
by Andreas Bovens
MAMA scripting report, part 2: JavaScript and DOM tokenization
by Brian Wilson
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SVG
Improving image maps with SVG and XSLT
by Frederik Elwert
Applying color tints to web pages with SVG filters and JavaScript
by Ruud Steltenpool
Debugging SVG with Opera
by Erik Dahlström
Drawing Hilbert curves with SVG
by DesertDawg
Using animateMotion in SVG
by DesertDawg
Type and Back Again: Stealing SVG Designs
by Jonny Axelsson
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Opera Unite
Rapid application development using the Opera Unite Yusef library
by Shwetank Dixit
Introducing Opera Unite in Opera 10.10
by Chris Mills
Opera Unite developer’s primer — revisited
by Hans S. Tømmerholt
Yusef: the Unite Server Framework
by Zi Bin, Cheah
Markuper: The Opera Unite Application template library
by António Afonso
Saving Opera Unite service data using File I/O
by Keith Johnson
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Voice
How to make a Voice controlled SVG game
by Mihai Sucan
XHTML+Voice By Example
by Jonny Axelsson
Getting to know Voice
by Jonny Axelsson
How to Add Voice Interactivity to Your Site
by Mihai Sucan
XHTML+Voice in Action
by Jonny Axelsson
XHTML+Voice in Style
by Jonny Axelsson
Opera Widgets
Opera Widgets Specification 1.0 fourth edition
by Chris Mills
Creating widgets for T-Mobile handsets: The T-Mobile Developer SDK and more
by Hans S. Tømmerholt
WCL developer guide
by Opera Software
Opera Widgets Specification 1.0 third edition
by Opera Software
Opera Widgets Specification 1.0
by Opera Software
Give your widgets a voice
by Ola P. Kleiven
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Opera Web Standards Curriculum
1: Introduction to The Web Standards Curriculum/Table of Contents
by Chris Mills
2: The history of the Internet and the web, and the evolution of web standards
by Mark Norman Francis
3: How does the Internet work?
by Jonathan Lane
4: The Web standards model - HTML, CSS and JavaScript
by Jonathan Lane
5: Web standards – beautiful dream, but what's the reality?
by Jonathan Lane
6: Information Architecture - Planning out a web site
by Jonathan Lane
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XML
Persisting widget data across platforms and devices using Opera's XML store
by Morten Haraldsen
오페라 XML 저장소를 사용하여 플랫폼 및 장치간 위젯 데이터 지속하기
by Jin-Young Jang