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Rethinking the Mobile Web
                                              a pragmatic look at creating an accessible and inc...
we   apps, and...
                       a lovely, location-b
                                           ased,
           ...
Dinosaurs!




                                   we think the iPad is pretty awesome, but...




http://www.flickr.com/pho...
something is askew...
1.8                 billion
                                       the number of internet
                                ...
6.8             billion
                          the number of people
                          in the world today...



...
3.4         billion
                      the number of people
                      with mobile devices today...




 or ...
it’s about people not devices...
so here’s the dilemma...




http://www.flickr.com/photos/soundman1024/1796003688
"The future is already here – it’s
                                                  just not evenly distributed."
       ...
no home



                                   Sony Ericsson
                                      w810i



               ...
but inclusive...



                                                               iPhone




http://www.flickr.com/photos/...
and available to everyone...




                                                         iPhone




http://www.flickr.com/...
yes, even this man who
                                                    does not have an iPhone...


                  ...
so, who actually has an iPhone...


http://www.flickr.com/photos/data_op/2468057934
USA
about 6% US market share...
                                                                                              ...
EU5
only 4% EU5* market share...
                                                     enormous                       EU5* = Fr...
<4% global market share*

                                   enormous
                                   impact




      ...
ie: BMW
The ”most popular” devices don’t necessarily
     translate to the most used devices.
                          ie...
”
                                                   yeah, but those
                                                   de...
ahem...
the first smartphone in 2003...
          considered
          portable in 1984                   fits in your pocket




  ...
the music phone in 2008...
again, it was ‘portable’...?

                                    ...this runs Flash



       ...
the feature phone in 2009...

          smartphone from 2005                              extremely
                      ...
the smartphone in 2010...

          ...playing “catch-up”
                                         raising the “bar”...

...
”
                                                   ...but folks with those other phones
                                ...
yeah, and grandma
                                                           doesn’t do Facebook...  ”
                   ...
1.3           billion
                        the number of mobile internet
                        users today...




 .....
1/3
                   number of global internet
                   users who access the internet
                   only ...
21%      the projected worldwide
         3G penetration in 2010...




  via Morgan Stanley
so, what are they using...
mobile browser market share
                                                                                              ...
something happened in February...



                                           UC browser...




                        ...
moving forward...

 used in iOS, Android, Palm WebOS, Nokia Qt,                                     primarily used on feat...
the importance of WebKit...




                                     open source
                                     lice...
the importance of OperaMini...




                                                  free
                   costs consume...
rendered + optimised         and proxy browsers...
proxy browser                    on proxy server...




               ...
on private networks...

             caller


                             a

                                            ...
also availabl
                                                             e for Android
                                 ...
app
yeah, whatever–I just wanna build a mobile website...
traditionally you might consider...



                                                           a device database
      ...
but that might be a bit overwhelming...




                                                                     OMG...   ...
start somewhere familiar...




http://www.flickr.com/photos/adactio/4742158560
...a look at what we’re doing now?*




         *for illustration purposes only
we could
do nothing...




 http://www.alistapart.com/
but that’s not terribly mobile friendly – what about...
a mobile
           specific site...


http://mobify.me




                   http://m.alistapart.com/
oh, but then that just begs the question...
other...




                         laptops/netbooks                               TVs




                             ...
or, more specifically...
128x160




                                240x320

                           320x480

                                 ...
then again, we could...
create an adaptive experience...




         http://www.flickr.com/photos/rohit_saxena/4873732679
an example
                               http://colly.com*




*for illustration purposes only, I’m not criticising the t...
http://colly.com


MOBILE SITE OF THE YEAR
         NOMINEE

http://www.thenetawards.com/
a lovely website




http://colly.com/
squishy             squishy




                              with flexible layout

http://colly.com/
also available on mobile...



                    squishy                squishy




http://colly.com/
al
                              an optimce
                              experien




                    squishy        ...
ahem...




http://www.flickr.com/photos/jakerome/3481634789
these are also mobile...
                    WebKit                                                                       ...
as are these...
                            the iPhone is #1 device for OperaMini




  *OperaMini is often preferred by m...
and these...
                           Mozilla
                                               77mm
                    47...
traditionally used
                                                                     for the fine print...




         ...
viewport is much smaller
                                                 than the actual content




                    ...
keyhole browsing




                    for this experience

http://colly.com/
...would you be
                    happy with this?




                                        hmm...

http://colly.com/
once again

  why are we writing for only one browser...

2000                              2010




                     ...
“This site works best in Safari 4”
                                                                                       ...
If you want to use the web on a
                                       ”
       mobile device, is the purchase of
       a...
as per my highly sophisticated
                                      mobile web triage process... ;)
                     ...
3 one style sheet w/@media queries

                                        4    jQuery used only for animation...




   ...
a few guidelines...
2. use well structured, meaningful markup




for those still paying attention, yes there is a #1 and we will get to it sh...
2                                   well structured, meaningful markup...



                                  mmm... mean...
2                                   well structured, meaningful markup...
         use <header>, <h1>, <p> and other seman...
2. use well structured, meaningful markup
3. the absence of support for @media queries
   is in fact the first @media query...
3                  all-in-one stylesheet with @media queries...


        a single css file is network efficient, but often i...
how retro...




                                                   kinda backwards...



http://www.flickr.com/photos/dumb...
rocket science

     a desktop browser...




                                                       are we expecting too ...
rocket science




                                a mobile browser...
                                                   ...
which brings us to...
1. mobile first
2. use well structured, meaningful markup
3. the absence of support for @media queries
   is in fact the fir...
Luke Wroblewski




                                                                             mobile first
             ...
traditional thinking goes like so...
is technically served to everyone...




                                       a full desktop site
sprinkle on a few @media queries...




    + @media queries
a full desktop site
...if the @media query resolves
to true, tada - a mobile site!




                                             = mobile s...
but here’s the problem...
FAIL
                                                             = mobile site
                                          ...
= mobile site

                                                a full desktop site
http://www.flickr.com/photos/hendry/3053...
@media queries will resolve to false on most devices...




       no, really – you simply cannot rely on them currently o...
resulting in this experience...




http://colly.com/
so it’s far more effective when we start with...
is technically served
to everyone...


           a mobile site
for browsers that support
   them, other browsers will
   just ignore them...


+ @media queries
           a mobile site
tada – a desktop site! ;)




= full desktop site
    + @media queries
            a mobile site
which is really just...
and not a new idea at all...
progressive enhancement

                 = full desktop site
  Jeremy Keith         + media ...
think mobile first
but let’s get back to...
1. mobile first
2. use well structured, meaningful markup
3. the absence of support for @media queries
   is in fact the fir...
3                  all-in-one stylesheet with @media queries...


        a single css file is network efficient, but often i...
3                          default stylesheet plus @media queries...




 place mobile related styles into a default style...
1. mobile first
2. use well structured, meaningful markup
3. the absence of support for @media queries
   is in fact the fir...
4                 jQuery/JavaScript used only for animation...



                                    jQuery is still a ra...
mobile browsers aren’t as
                                                                   capable as desktop browsers.....
4              use CSS instead of JavaScript for animations...
                are jQuery (and JavaScript) necessary to
  ...
look ma, no jQuery?




                                                             from a time before jQuery...
        ...
then again, do you really need javascript?


*none of these services relied on Javascript when they first started...
1. mobile first
2. use well structured, meaningful markup
3. the absence of support for @media queries
   is in fact the fir...
5                                         same images used for all devices...

                                      one s...
5                     images adapted appropriately for each device...


ul li#biography a span.label {
  background: url("...
we could also rethink the <img />* tag...

                              one image can have multiple source
              ...
the results could be...
much better...




                    approximations based on actual device testing - font rendering will vary...
http://...
quick

     another example...
                    http://2010.dconstruct.org*




*again, for illustration purposes only,...
http://2010.dconstruct.org/
squishy                         squishy




  http://2010.dconstruct.org/
different                                           different    tada!




                              again, brought to y...
so close...




http://2010.dconstruct.org/
6 fonts often not supported on mobile

                                             sprite image not used 6
              ...
1. mobile first
2. use well structured, meaningful markup
3. the absence of support for media queries
   is in fact the firs...
6                                display:none still loads resources...
                                                   ...
images not used on   @font-face not supported
           mobile devices...    on most mobile devices...


             367...
6                                  ...avoid sending unnecessary data




@media (max-device-width:767px), all and (max-wid...
anything else...?
little tweaks...



                              fixed       relative
                              width        width
   ...
accessibility*


                                                          features                     functionality

   ...
1. mobile first
2. use well structured, meaningful markup
3. the absence of support for @media queries
   is in fact the fir...
why even bother...




                                                             I’ve seen
                            ...
...people actually do use the mobile web




                                                     source comScore MobiLens...
...but, not only on these devices
but, also on these...




WebKit
            OperaMini
and, these...




WebKit
           OperaMini
and, these...




btw - expect many, many more devices to be heading our ways soon...
Dinosaurs!




               ...and shouldn’t everyone benefit from technology?




http://www.flickr.com/photos/goincase/4...
thank you




hello@yiibu.com
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Rethinking the Mobile Web by Yiibu

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Presentation on rethinking the way we've been designing websites for mobile devices - for Over The Air 2010 in London by Bryan Rieger of Yiibu.

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Rethinking the Mobile Web by Yiibu

  1. Rethinking the Mobile Web a pragmatic look at creating an accessible and inclusive mobile experience http://www.flickr.com/photos/fpat/3692425154
  2. we apps, and... a lovely, location-b ased, social, photo thing y... this presentation is not about these. http://www.flickr.com/photos/scobleizer/3985020876
  3. Dinosaurs! we think the iPad is pretty awesome, but... http://www.flickr.com/photos/goincase/4647893507
  4. something is askew...
  5. 1.8 billion the number of internet connections in the world today... 26% of the world’s population at the beginning of 2010 – http://www.internetworldstats.com
  6. 6.8 billion the number of people in the world today... *2009 estimates put the population around 6.79 billion inhabitants...
  7. 3.4 billion the number of people with mobile devices today... or roughly 1/2 the population of the planet, which is...
  8. it’s about people not devices...
  9. so here’s the dilemma... http://www.flickr.com/photos/soundman1024/1796003688
  10. "The future is already here – it’s just not evenly distributed." – William Gibson http://www.flickr.com/photos/kiwanja/3169447879
  11. no home Sony Ericsson w810i no iPhone technology should not only be accessible... http://www.flickr.com/photos/walkadog/3093763311
  12. but inclusive... iPhone http://www.flickr.com/photos/javiercito/2319331695
  13. and available to everyone... iPhone http://www.flickr.com/photos/pictfactory/2796367140
  14. yes, even this man who does not have an iPhone... not an iPhone... http://www.flickr.com/photos/dopesmuglar/486087009
  15. so, who actually has an iPhone... http://www.flickr.com/photos/data_op/2468057934
  16. USA
  17. about 6% US market share... US Population: 307 million Smartphone penetration: 31% of pop. iPhone market share: 21% of smp. enormous Total iPhones in US: 19 million (~6%) impact low overall penetration The iPhone Reality in Europe: Low Overall Penetration, Enormous Impact http://moconews.net/article/419-deep-discounts-on-smartphones-drive-u.s.-adoption-rates-to-nearly-a-thi/ and http://www.npd.com/press/releases/press_100510.html
  18. EU5
  19. only 4% EU5* market share... enormous EU5* = France, Germany, Italy, Spain and United Kingdom impact low overall penetration The iPhone Reality in Europe: Low Overall Penetration, Enormous Impact http://www.comscore.com/layout/set/popup/layout/set/popup/Press_Events/Press_Releases/2010/6/The_iPhone_Reality_in_Europe_Low_Overall_Penetration_Enormous_Impact
  20. <4% global market share* enormous impact low overall penetration *I suspect it’s actually much less, but finding accurate global figures is a tad difficult...
  21. ie: BMW The ”most popular” devices don’t necessarily translate to the most used devices. ie: Ford
  22. ” yeah, but those devices suck! http://www.flickr.com/photos/eldret_99/3311540398
  23. ahem...
  24. the first smartphone in 2003... considered portable in 1984 fits in your pocket still widely used... Released: 1984 Released: 2003 CPU: 8 MHz CPU: 104 MHz RAM: 128k (512k max) RAM: 6 MB Storage: 400k (3.5” floppy) Storage: 32 MB MMC Card Display: 22.9 cm Monochrome Display: 5.3 cm Thousands of colours Dimensions: 34.5 x 24.4 x 27.7 cm Dimensions: 10.9 x 5.8 x 2.4 cm Weight: 7.5 kgs Weight: 122 g
  25. the music phone in 2008... again, it was ‘portable’...? ...this runs Flash not a feature phone, nor a smartphone... Released: 1998 Released: 2008 CPU: 233 MHz CPU: 434 MHz RAM: 32 MB (512 MB max) RAM: 128 MB Storage: 4 GB (+ optical drive) Storage: 8 GB (16 GB max) Display: 38.1 cm Millions of colours Display: 8.1 cm Millions of colours Dimensions: 40.1 x 38.6 x 44.7 cm Dimensions: 11.1 x 5.2 x 1.5 cm Weight: 17.3 kgs Weight: 109 g
  26. the feature phone in 2009... smartphone from 2005 extremely popular today... still widely used today... Released: 2005 Released: 2009 CPU: 220 MHz CPU: 369 MHz RAM: 22 MB RAM: 30 MB Storage: 64 MB Storage: 1 GB (16 GB max) Display: 5.3 cm Thousands of colours Display: 5.1 cm Thousands of colours Dimensions: 10.8 x 5.3 x 2.2 cm Dimensions: 10.6 x 4.7 x 1.5 cm Weight: 126 g Weight: 88 g
  27. the smartphone in 2010... ...playing “catch-up” raising the “bar”... Released: 2010 Released: 2010 CPU: 680 MHz CPU: 1 GHz A4 Processor RAM: 256 MB RAM: 512 MB Storage: 16 GB (32 GB max) Storage: 16 GB (32 GB max) Display: 8.9 cm Millions of colours Display: 8.9 cm Millions of colours Dimensions: 11.4 x 5.9 x 1.3 cm Dimensions: 11.5 x 5.9 x 0.9 cm Weight: 135 g Weight: 137 g
  28. ” ...but folks with those other phones simply don’t use the Internet. http://www.flickr.com/photos/carbonnyc/3369424492
  29. yeah, and grandma doesn’t do Facebook... ” Grandma* Facebook http://www.flickr.com/photos/amagill/304701054 *not my Grandma
  30. 1.3 billion the number of mobile internet users today... ...includes WAP and ‘real web’ via Tomi Ahonen Consulting
  31. 1/3 number of global internet users who access the internet only via mobile... ...includes WAP and ‘real web’ via Tomi Ahonen Consulting
  32. 21% the projected worldwide 3G penetration in 2010... via Morgan Stanley
  33. so, what are they using...
  34. mobile browser market share via http://gs.statcounter.com - 02/2010 other? things have changed skeptical UC ate Nokia’s share... other? other? note OperaMini... Blackberry! quality + sample size? Data Source: http://gs.statcounter.com Published Under a Creative Commons Attribution 3.0 Unported License You are free to copy, distribute and transmit the work and to adapt the work providing it is attributed to www.icrossing.co.uk http://www.flickr.com/photos/icrossing_uk/4342659861
  35. something happened in February... UC browser... Nokia browser... Top 9 Mobile Browsers in China from Sep 09 to Aug 10 | StatCounter Global Stats http://gs.statcounter.com/#mobile_browser-CN-monthly-200909-201008
  36. moving forward... used in iOS, Android, Palm WebOS, Nokia Qt, primarily used on feature Bada, Symbian and new Blackberry... phones supporting Java ME... + WebKit OperaMini Windows Mobile proxy browser... watch these... lots of new browsers, variation and of course – legacy browsers “Fennec” Browser UC Obigo SkyFire proxy browsers Internet Explorer MicroB Internet Browser
  37. the importance of WebKit... open source licensed under the GNU Library General Public License excellent standards support including HTML, CSS3, SVG, etc. innovations often contributed back example: HTML5, CSS animations, SquirrelFish, etc. adopted by many leading companies including Apple, Nokia, Samsung, Google, Palm, etc. WebKit used in many mobile operating systems including iOS, Android, webOS, Bada, Symbian, etc. btw - “There is no WebKit on Mobile” by @ppk http://www.quirksmode.org/blog/archives/2009/10/there_is_no_web.html
  38. the importance of OperaMini... free costs consumers absolutely nothing a full-web experience supports Ajax, zooming, tabbed browsing, etc excellent standards support based on the same code-base as the Opera browser OperaMini available just about anywhere on JavaME, iPhone, Android, Windows Mobile + more an extremely efficient browser a proxy server filters, compresses & pre-renders content usable on older devices breathe new life into those antique devices... very important
  39. rendered + optimised and proxy browsers... proxy browser on proxy server... free + unlimited bandwidth OBML* HTML limited + costly proxy server bbc.co.uk bandwidth *OBML (Opera Binary Markup Language) is highly optimised for mobile networks + devices.
  40. on private networks... caller a d limited + costly bandwidth switching centre receiver c b base-station to the Internet... transcoding, bandwidth limitations, service blocking and no packet neutrality
  41. also availabl e for Android ... OperaMini is great for browsing the web on iPhone when your connection stinks. Which is unfortunately is fairly often in my ” case. – @jonathanstark http://www.flickr.com/photos/johanl/4424185115
  42. app yeah, whatever–I just wanna build a mobile website...
  43. traditionally you might consider... a device database ie. DeviceAtlas device detection or WURFL content adaptation an abstraction layer device various standards exhausting capabilities media types WURFL/WALL testing transcoding multiple templates private networks mimetypes geing “on-deck” data limits multiple sites an off-deck strategy... cHTML the “One Web” dream thematic correct doctypes consistency fragmentation switching algorithms WML using UAProf data XHTML-MP http://www.flickr.com/photos/rmlowe/3281353786 WAP
  44. but that might be a bit overwhelming... OMG... ” http://www.flickr.com/photos/richardmoross/1413692087
  45. start somewhere familiar... http://www.flickr.com/photos/adactio/4742158560
  46. ...a look at what we’re doing now?* *for illustration purposes only
  47. we could do nothing... http://www.alistapart.com/
  48. but that’s not terribly mobile friendly – what about...
  49. a mobile specific site... http://mobify.me http://m.alistapart.com/
  50. oh, but then that just begs the question...
  51. other... laptops/netbooks TVs handheld consoles what exactly is mobile... http://www.flickr.com/photos/amagill/26273015
  52. or, more specifically...
  53. 128x160 240x320 320x480 what isn’t... 1280x768 1024x768 480x800
  54. then again, we could...
  55. create an adaptive experience... http://www.flickr.com/photos/rohit_saxena/4873732679
  56. an example http://colly.com* *for illustration purposes only, I’m not criticising the talented Mr. Collison or his fine work...
  57. http://colly.com MOBILE SITE OF THE YEAR NOMINEE http://www.thenetawards.com/
  58. a lovely website http://colly.com/
  59. squishy squishy with flexible layout http://colly.com/
  60. also available on mobile... squishy squishy http://colly.com/
  61. al an optimce experien squishy squishy tada! brought to you through the magic of @media queries... http://colly.com/
  62. ahem... http://www.flickr.com/photos/jakerome/3481634789
  63. these are also mobile... WebKit WebKit approximations based on actual device testing - font rendering will vary... http://colly.com/
  64. as are these... the iPhone is #1 device for OperaMini *OperaMini is often preferred by many users as it optimises content prior to download, which reduces data costs. http://colly.com/
  65. and these... Mozilla 77mm 47mm insanely tiny! expect many more tablet devices on the market soon... http://colly.com/
  66. traditionally used for the fine print... which now require this... http://www.flickr.com/photos/chrisbrenschmidt/1832787028
  67. viewport is much smaller than the actual content and this... http://www.flickr.com/photos/katerha/4592429363
  68. keyhole browsing for this experience http://colly.com/
  69. ...would you be happy with this? hmm... http://colly.com/
  70. once again why are we writing for only one browser... 2000 2010 ...is WebKit the new Internet Explorer?
  71. “This site works best in Safari 4” ” is ok where “This site works best in IE4” wasn’t?!? Open standards or double standards? – @csssquirrel via @brucel http://www.flickr.com/photos/pjanvandaele/3990379048
  72. If you want to use the web on a ” mobile device, is the purchase of an iPhone the cost of entry? or Android device this design can work on *many* more devices... let alone only one device?
  73. as per my highly sophisticated mobile web triage process... ;) Good Could be improved Needs to be improved let’s make it more accessible... http://colly.com/
  74. 3 one style sheet w/@media queries 4 jQuery used only for animation... 5 same images used for all screen devices... only a few issues... 2 well structured, meaningful markup Good 4 Javascript animations tend to work poorly on the majority of mobile devices... Could be improved Needs to be improved
  75. a few guidelines...
  76. 2. use well structured, meaningful markup for those still paying attention, yes there is a #1 and we will get to it shortly...
  77. 2 well structured, meaningful markup... mmm... meaning! structure there’s lots more, but who wants to stare at code... http://colly.com/ view source
  78. 2 well structured, meaningful markup... use <header>, <h1>, <p> and other semantically meaningful tags to provide basic structure *Note: this is not from hp://colly.com recreating existing <tags> <div class="body"> is not cool <div class="header"> <div class= "h1"> <span>Hello World!</span> </div> </div> <div> soup... <div class="body">HTML <span class="emphasis">can actually be</span>meaningful. </div> </div> soup is best served in a bowl... without a basic, meaningful structure you will need to re-create many existing properties
  79. 2. use well structured, meaningful markup 3. the absence of support for @media queries is in fact the first @media query...
  80. 3 all-in-one stylesheet with @media queries... a single css file is network efficient, but often includes unnecessary style data for mobile devices... <link href="screen.css" type="text/css" rel="stylesheet" media="screen" /> ....towards the end of ‘screen.css’ we find the @media queries mobile specific tweaks are added at the very end, and only through @media queries... @media (max-device-width:480px) and (orientation:portrait) { ...
  81. how retro... kinda backwards... http://www.flickr.com/photos/dumbledad/3400708183
  82. rocket science a desktop browser... are we expecting too much... http://www.flickr.com/photos/nasa_goddard/4678389619/
  83. rocket science a mobile browser... ...from our mobile browsers? http://www.flickr.com/photos/wwworks/3749061604
  84. which brings us to...
  85. 1. mobile first 2. use well structured, meaningful markup 3. the absence of support for @media queries is in fact the first @media query... aha, I told you we’d eventually get to #1!
  86. Luke Wroblewski mobile first http://www.lukew.com/ff/entry.asp?933 http://www.flickr.com/photos/pete-karl/4637024524
  87. traditional thinking goes like so...
  88. is technically served to everyone... a full desktop site
  89. sprinkle on a few @media queries... + @media queries a full desktop site
  90. ...if the @media query resolves to true, tada - a mobile site! = mobile site + @media queries a full desktop site
  91. but here’s the problem...
  92. FAIL = mobile site + @media queries a full desktop site http://www.flickr.com/photos/hendry/3053419265
  93. = mobile site a full desktop site http://www.flickr.com/photos/hendry/3053419265
  94. @media queries will resolve to false on most devices... no, really – you simply cannot rely on them currently on mobile devices
  95. resulting in this experience... http://colly.com/
  96. so it’s far more effective when we start with...
  97. is technically served to everyone... a mobile site
  98. for browsers that support them, other browsers will just ignore them... + @media queries a mobile site
  99. tada – a desktop site! ;) = full desktop site + @media queries a mobile site
  100. which is really just...
  101. and not a new idea at all... progressive enhancement = full desktop site Jeremy Keith + media queries a mobile site http://www.flickr.com/photos/clagnut/315554083
  102. think mobile first
  103. but let’s get back to...
  104. 1. mobile first 2. use well structured, meaningful markup 3. the absence of support for @media queries is in fact the first @media query...
  105. 3 all-in-one stylesheet with @media queries... a single css file is network efficient, but often includes unnecessary style data for mobile devices... <link href="screen.css" type="text/css" rel="stylesheet" media="screen" /> ....towards the end of ‘screen.css’ we find the @media queries mobile specific tweaks are added at the very end, and only through @media queries... @media (max-device-width:480px) and (orientation:portrait) { ...
  106. 3 default stylesheet plus @media queries... place mobile related styles into a default stylesheet... <link href="default.css" type="text/css" rel="stylesheet" media="screen" /> <link href="desktop.css" type="text/css" rel="stylesheet" media="screen and (min-device-width:1024px) and (max-width:989px)" /> link additional style sheets using @media queries to progressively enhance the content for more capable browsers some mobile browsers look for it... *you may want to use both the ‘screen’ and ‘handheld’ media types for your default stylesheet
  107. 1. mobile first 2. use well structured, meaningful markup 3. the absence of support for @media queries is in fact the first @media query... 4. progressively enhance using JavaScript and @media queries
  108. 4 jQuery/JavaScript used only for animation... jQuery is still a rather hefty library for use on mobile devices... <script type="text/javascript" src=".../jquery.min.js"><script> <script type="text/javascript" src=".../scrollto.js"><script> animation in JavaScript can be very taxing on mobile devices...
  109. mobile browsers aren’t as capable as desktop browsers... again, are we expecting too much...? http://www.flickr.com/photos/mjryall/3638778588
  110. 4 use CSS instead of JavaScript for animations... are jQuery (and JavaScript) necessary to provide an experience on mobile devices...? <script type="text/javascript" src=".../jquery.min.js"><script> <script type="text/javascript" src=".../scrollto.js"><script> consider using basic DOM manipulation, or a mobile optimised Javascript library <script type="text/javascript" src=".../xui.min.js"><script> the “jQuery Mobile” long before jQuery Mobile... http://xuijs.com http://jquerymobile.com use CSS for animations if available instead of Javascript ...use CSS animations .scrollto { (where possible) instead -webkit-transform: translate(540px, -200px); -moz-transform: translate(540px, -200px); -o-transform: translate(540px, -200px); } ignored on browsers that don’t support it
  111. look ma, no jQuery? from a time before jQuery... Twier? http://www.flickr.com/photos/wordridden/2474879344
  112. then again, do you really need javascript? *none of these services relied on Javascript when they first started...
  113. 1. mobile first 2. use well structured, meaningful markup 3. the absence of support for @media queries is in fact the first @media query... 4. progressively enhance using JavaScript and @media queries 5. adapt content (especially images) appropriately for each device
  114. 5 same images used for all devices... one size rarely fits all... ul li#biography a span.label { background: url("../pig.png") repeat-x center bottom; } 16 Kb also adapt content used in <img /> tags we should also adapt images found within the markup... <img src="butterfly.png" width="200" height="160" alt="butterfly" /> 16 Kb http://colly.com/
  115. 5 images adapted appropriately for each device... ul li#biography a span.label { background: url("../pig-small.png") repeat-x center bottom; } provide appropriate sized images for various devices 6 Kb also adapt content used in <img /> tags many CMS’s such as WordPress provide a means of filtering HTML before it’s sent to the client <img src="butterfly-small.png" width="100" height="80" alt="butterfly" /> 6 Kb be sure to update the width and height aributes accordingly services such as http://tinysrc.net can automatically resize + compress your images http://colly.com/
  116. we could also rethink the <img />* tag... one image can have multiple source files, each for an appropriate context <img alt="butterfly"> <source src="butterfly-small.png" width="100" height="80" /> <source src="butterfly.png" width="200" height="160" /> <source src="butterfly-large.svg" width="400" height="400" media="min-device-width:320px" /> image formats, and aspect ratios </img> could be modified as required and possibly even include media queries... *I’m just dreaming here, this doesn’t currently exist...
  117. the results could be...
  118. much better... approximations based on actual device testing - font rendering will vary... http://colly.com/
  119. quick another example... http://2010.dconstruct.org* *again, for illustration purposes only, I’m not criticising the fine folks behind dConstruct...
  120. http://2010.dconstruct.org/
  121. squishy squishy http://2010.dconstruct.org/
  122. different different tada! again, brought to you through the magic of @media queries... http://2010.dconstruct.org/
  123. so close... http://2010.dconstruct.org/
  124. 6 fonts often not supported on mobile sprite image not used 6 on mobile devices... 6 images not used on mobile devices... only one real issue... 3 a single (and compressed!) style sheet 2 well structured, meaningful and compressed markup Good simple DOM scripting without Could be improved 4 large Javascript libraries Needs to be improved
  125. 1. mobile first 2. use well structured, meaningful markup 3. the absence of support for media queries is in fact the first @media query... 4. progressively enhance using JavaScript and @media queries 5. adapt content (especially images) appropriately for each device 6. compress content where possible, and avoid sending unnecessary data
  126. 6 display:none still loads resources... don’t expect mobile bandwidth to be free... @media (max-device-width:767px), all and (max-width:449px) { ... .speaker-carousel { display: none; all of the speaker-carousel images are actually loaded, even though they are never displayed on mobile devices... }
  127. images not used on @font-face not supported mobile devices... on most mobile devices... 367.35 KB 93.63 KB http://2010.dconstruct.org/
  128. 6 ...avoid sending unnecessary data @media (max-device-width:767px), all and (max-width:449px) { ... .speaker-carousel { display: none; find another way to remove the unused resources on mobile devices... }
  129. anything else...?
  130. little tweaks... fixed relative width width width: 90%; height: auto; http://2010.dconstruct.org/
  131. accessibility* features functionality usability performance experience bandwidth a balancing act... http://www.flickr.com/photos/superfantastic/50088733
  132. 1. mobile first 2. use well structured, meaningful markup 3. the absence of support for @media queries is in fact the first @media query... 4. progressively enhance using JavaScript and @media queries 5. adapt content (especially images) appropriately for each device 6. compress content where possible, and don’t include unnecessary data
  133. why even bother... I’ve seen that look... http://www.flickr.com/photos/eldret_99/3311540632
  134. ...people actually do use the mobile web source comScore MobiLens http://www.flickr.com/photos/pictfactory/2796367140
  135. ...but, not only on these devices
  136. but, also on these... WebKit OperaMini
  137. and, these... WebKit OperaMini
  138. and, these... btw - expect many, many more devices to be heading our ways soon...
  139. Dinosaurs! ...and shouldn’t everyone benefit from technology? http://www.flickr.com/photos/goincase/4647893507
  140. thank you hello@yiibu.com
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Presentation on rethinking the way we've been designing websites for mobile devices - for Over The Air 2010 in London by Bryan Rieger of Yiibu.

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