Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
WAI-ARIA in 10
Search
Laura Kalbag
March 16, 2015
Technology
1
230
WAI-ARIA in 10
From a talk given at She Codes Brighton's Tech in 10 in March, 2015
Laura Kalbag
March 16, 2015
Tweet
Share
More Decks by Laura Kalbag
See All by Laura Kalbag
Ethical Design
laurakalbag
1
110
Intro to UX
laurakalbag
1
160
Ethical Design
laurakalbag
1
2.8k
Accessibility By Design
laurakalbag
1
97
Designing For Accessibility
laurakalbag
2
140
Indie Design
laurakalbag
4
1.8k
Designing for Accessibility
laurakalbag
0
69
Designing for Accessibility
laurakalbag
1
500
Indie Design
laurakalbag
1
350
Other Decks in Technology
See All in Technology
Python(PYNQ)がテーマのAMD主催のFPGAコンテストに参加してきた
iotengineer22
0
470
開発生産性を上げながらビジネスも30倍成長させてきたチームの姿
kamina_zzz
2
1.7k
The Role of Developer Relations in AI Product Success.
giftojabu1
0
120
透過型SMTPプロキシによる送信メールの可観測性向上: Update Edition / Improved observability of outgoing emails with transparent smtp proxy: Update edition
linyows
2
210
[FOSS4G 2024 Japan LT] LLMを使ってGISデータ解析を自動化したい!
nssv
1
210
AIチャットボット開発への生成AI活用
ryomrt
0
170
Lambdaと地方とコミュニティ
miu_crescent
2
370
SREによる隣接領域への越境とその先の信頼性
shonansurvivors
2
520
DMARC 対応の話 - MIXI CTO オフィスアワー #04
bbqallstars
1
160
適材適所の技術選定 〜GraphQL・REST API・tRPC〜 / Optimal Technology Selection
kakehashi
1
400
【令和最新版】AWS Direct Connectと愉快なGWたちのおさらい
minorun365
PRO
5
750
サイバーセキュリティと認知バイアス:対策の隙を埋める心理学的アプローチ
shumei_ito
0
380
Featured
See All Featured
The Straight Up "How To Draw Better" Workshop
denniskardys
232
140k
GraphQLの誤解/rethinking-graphql
sonatard
67
10k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
26
2.1k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
159
15k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
250
21k
How GitHub (no longer) Works
holman
310
140k
Fantastic passwords and where to find them - at NoRuKo
philnash
50
2.9k
A Modern Web Designer's Workflow
chriscoyier
693
190k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
28
9.1k
How to Ace a Technical Interview
jacobian
276
23k
Building an army of robots
kneath
302
43k
jQuery: Nuts, Bolts and Bling
dougneiner
61
7.5k
Transcript
WAI-ARIA in 10 Laura Kalbag @laurakalbag @indie
Why is web accessibility important?
Accessibility makes the web a good experience for as many
people as possible
Accessibility isn’t just about screen readers
Web accessibility is built on a foundation of meaningful HTML
<ul class="links-‐list rooms"> <li>
<a href="#hall">Hall</a> </li> <li> <a href="#kitchen">Kitchen</a> </li> … </ul> <div class="links-‐list rooms"> <a href="#hall">Hall</a> <br> <a href="#kitchen">Kitchen</a> </div> Meaningful vs not-so meaningful HTML
Screen readers
None
<ul class="links-‐list rooms"> <li>
<a href="#hall">Hall</a> </li> <li> <a href="#kitchen">Kitchen</a> </li> … </ul> list 2 items • • internal, link, Hall internal, link, Kitchen end of list How VoiceOver reads it
<div class="links-‐list rooms"> <a href="#hall">Hall</a> <br>
<a href="#kitchen">Kitchen</a> </div> internal, link, Hall internal, link, Kitchen How VoiceOver reads it
What is WAI-ARIA?
Web Accessibility Initiative – Accessible Rich Internet Applications (or ARIA
for short) Born March 2013
Dynamic content / “complex web apps” (Sites that update without
refreshing the page)
ARIA is particularly useful for keyboard navigation and screen readers
Tabs
Tabs WAI-ARIA Overview, selected, tab, 1 of 3 Laura Kalbag,
tab, 2 of 3 Ind.ie, tab, 3 of 3
None
visited, link, Images link, Fonts link, Ways To Pay link,
Offers link, Ideas link, Subscriptions
Web browsers need a few more cues to assist the
human
ARIA is a layer on top of markup content structure
(HTML) additional structure (ARIA)
WAI-ARIA gives developers a way to describe roles, states, and
properties for custom widgets
<a role="tab">Images</a> ARIA Roles
tab, Images tab, Fonts tab, Ways To Pay tab, Offers
tab, Ideas tab, Subscriptions
ARIA Roles vs Implied Roles <button>Images</button> Images, button <button role="tab">Images</button>
tab, Images
<div role="alert">Incorrect password, please try again</div> <div role="dialog">Successfully saved</div>
Other roles Full list at http://www.w3.org/TR/wai-aria/roles#abstract_roles_header
<a role="tab" aria-‐selected="true">Images</a> ARIA States http://www.w3.org/TR/wai-aria/states_and_properties#aria-selected
tab, Images, selected tab, Fonts tab, Ways To Pay tab,
Offers tab, Ideas tab, Subscriptions
Expanding/collapsing menu <button class="menu" aria-‐expanded="false"> <button class="menu"
aria-‐expanded="true"> Menu, collapsed, button Menu, expanded, button
ARIA Landmarks <div class="site-‐header" role="header"> <ul class="site-‐navigation" role="navigation"></ul>
</div>
When we shouldn’t use WAI-ARIA
<ul class="site-‐navigation" role="navigation"> HTML5 vs Landmarks <nav> <ul
class="site-‐navigation"></ul> </nav> http://www.w3.org/html/wg/drafts/html/master/infrastructure.html#default-implicit-aria-semantics
ARIA vs HTML <span role="link"> <div role="list"> <span
role="button"> <span role="checkbox"> <a> <ul> <button> <input type="checkbox"> http://www.paciellogroup.com/blog/2010/04/html5-and-the-myth-of-wai-aria-redundance/
ARIA should be your last resort
However, there’s a lot ARIA can do, that HTML can’t…
Live Regions
New tweets available. Press period to review them. <div id="event-‐log"
aria-‐live="assertive"> <p>New Tweets available. Press period to review them.</p> </div>
Without ARIA, people can miss out
http://caniuse.com/#search=WAI-ARIA
http://html5accessibility.com by The Paciello Group
ARIA can’t fix an unusable site
Thank you! @laurakalbag @indie