Accessibililty 101

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  • Even fighter jet pilots, some of the fittest people on earth (they run 10 miles before breakfast), can be disabled. When you are pulling 10Gs in a loop in a fighter plane your movement becomes fairly limited. Planes need to take account of that. Everyone sometimes has less ability, this is about providing support for less ability, be it permanent for a person or not.





  • There are lots more examples of legislation that may affect disability law in many countries including the USA and UK but we can’t talk about it all.
  • There are lots more examples of legislation that may affect disability law in many countries including the USA and UK but we can’t talk about it all.
  • There are lots more examples of legislation that may affect disability law in many countries including the USA and UK but we can’t talk about it all.
  • There are lots more examples of legislation that may affect disability law in many countries including the USA and UK but we can’t talk about it all.
  • There are lots more examples of legislation that may affect disability law in many countries including the USA and UK but we can’t talk about it all.
  • Employers in many countries have obligations to their employees.
  • Employers in many countries have obligations to their employees.
  • Employers in many countries have obligations to their employees.
  • Employers in many countries have obligations to their employees.
  • Employers in many countries have obligations to their employees.
  • If you think about how much money Tesco may have made because they made their site accessible a number of years ago it really starts to add up.
  • If you think about how much money Tesco may have made because they made their site accessible a number of years ago it really starts to add up.
  • If you think about how much money Tesco may have made because they made their site accessible a number of years ago it really starts to add up.
  • If you think about how much money Tesco may have made because they made their site accessible a number of years ago it really starts to add up.
  • If you think about how much money Tesco may have made because they made their site accessible a number of years ago it really starts to add up.
  • Of course the bailout is still a lot bigger
  • Working with accessibility helps search engines because you need to enable the computers in both cases. Yahoo and Google don’t have little robots watching the screens of web sites to index them we use technology. So if you enable the technology on a disabled person’s computer to interact with your web site you probably also enable a search engine.
  • Working with accessibility helps search engines because you need to enable the computers in both cases. Yahoo and Google don’t have little robots watching the screens of web sites to index them we use technology. So if you enable the technology on a disabled person’s computer to interact with your web site you probably also enable a search engine.
  • Working with accessibility helps search engines because you need to enable the computers in both cases. Yahoo and Google don’t have little robots watching the screens of web sites to index them we use technology. So if you enable the technology on a disabled person’s computer to interact with your web site you probably also enable a search engine.
  • Working with accessibility helps search engines because you need to enable the computers in both cases. Yahoo and Google don’t have little robots watching the screens of web sites to index them we use technology. So if you enable the technology on a disabled person’s computer to interact with your web site you probably also enable a search engine.
  • Working with accessibility helps search engines because you need to enable the computers in both cases. Yahoo and Google don’t have little robots watching the screens of web sites to index them we use technology. So if you enable the technology on a disabled person’s computer to interact with your web site you probably also enable a search engine.
  • Working with accessibility helps search engines because you need to enable the computers in both cases. Yahoo and Google don’t have little robots watching the screens of web sites to index them we use technology. So if you enable the technology on a disabled person’s computer to interact with your web site you probably also enable a search engine.
  • Some search engines that might give you better ranking if you follow some accessibility techniques.



  • The only image I could find for being a jerk. I’m trying to break up the text here, ok ;)
  • There are other disabilities but it’s unlikely you’ll have to engineer for smell, touch or taste. Here’s hoping the internet never gets “taste” enabled not given 90% of the content.
  • There are other disabilities but it’s unlikely you’ll have to engineer for smell, touch or taste. Here’s hoping the internet never gets “taste” enabled not given 90% of the content.
  • There are other disabilities but it’s unlikely you’ll have to engineer for smell, touch or taste. Here’s hoping the internet never gets “taste” enabled not given 90% of the content.
  • There are other disabilities but it’s unlikely you’ll have to engineer for smell, touch or taste. Here’s hoping the internet never gets “taste” enabled not given 90% of the content.
  • Most people think of only “blindness” where people can’t see because of birth. Raise your hand if you know a grandparent or great uncle or someone who has had cataracts. As you can see most people in this room are at some point going to have bad eyesight. Your grandparents probably don’t use computers but you will want to when you are older. Unless you start making products that work for people with bad eyesight then you are screwing yourself in the future.

    Tunnel vision is also really interesting. Wave your hand by the side of your head until you can’t see it. You have some pretty good periferal vision. I can see almost 180 degrees. Now make little tunnels with your hands and look around. People with tunnel vision have very different needs from people with limited vision. They need small fonts not large ones. Accessibility is all about flexibility. What helps one group may hurt another because their conditions are polar opposites.

    Colour blindness is also interesting. Let’s say you are an engineer and you come up with this great plan to save millions of dollars by making all traffic lights have only 1 light. We can use multi-coloured LEDs to show red, green and blue and save millions of $s in materials and power. That’s great until you think about the 1% of men who have Deuteranopia. This means it’s very hard for them to distinguish red and green. So 1% of men aren’t going to know if they should stop or go at your new “improved” lights. Not a good thing.
  • Most people think of only “blindness” where people can’t see because of birth. Raise your hand if you know a grandparent or great uncle or someone who has had cataracts. As you can see most people in this room are at some point going to have bad eyesight. Your grandparents probably don’t use computers but you will want to when you are older. Unless you start making products that work for people with bad eyesight then you are screwing yourself in the future.

    Tunnel vision is also really interesting. Wave your hand by the side of your head until you can’t see it. You have some pretty good periferal vision. I can see almost 180 degrees. Now make little tunnels with your hands and look around. People with tunnel vision have very different needs from people with limited vision. They need small fonts not large ones. Accessibility is all about flexibility. What helps one group may hurt another because their conditions are polar opposites.

    Colour blindness is also interesting. Let’s say you are an engineer and you come up with this great plan to save millions of dollars by making all traffic lights have only 1 light. We can use multi-coloured LEDs to show red, green and blue and save millions of $s in materials and power. That’s great until you think about the 1% of men who have Deuteranopia. This means it’s very hard for them to distinguish red and green. So 1% of men aren’t going to know if they should stop or go at your new “improved” lights. Not a good thing.
  • Most people think of only “blindness” where people can’t see because of birth. Raise your hand if you know a grandparent or great uncle or someone who has had cataracts. As you can see most people in this room are at some point going to have bad eyesight. Your grandparents probably don’t use computers but you will want to when you are older. Unless you start making products that work for people with bad eyesight then you are screwing yourself in the future.

    Tunnel vision is also really interesting. Wave your hand by the side of your head until you can’t see it. You have some pretty good periferal vision. I can see almost 180 degrees. Now make little tunnels with your hands and look around. People with tunnel vision have very different needs from people with limited vision. They need small fonts not large ones. Accessibility is all about flexibility. What helps one group may hurt another because their conditions are polar opposites.

    Colour blindness is also interesting. Let’s say you are an engineer and you come up with this great plan to save millions of dollars by making all traffic lights have only 1 light. We can use multi-coloured LEDs to show red, green and blue and save millions of $s in materials and power. That’s great until you think about the 1% of men who have Deuteranopia. This means it’s very hard for them to distinguish red and green. So 1% of men aren’t going to know if they should stop or go at your new “improved” lights. Not a good thing.
  • Most people think of only “blindness” where people can’t see because of birth. Raise your hand if you know a grandparent or great uncle or someone who has had cataracts. As you can see most people in this room are at some point going to have bad eyesight. Your grandparents probably don’t use computers but you will want to when you are older. Unless you start making products that work for people with bad eyesight then you are screwing yourself in the future.

    Tunnel vision is also really interesting. Wave your hand by the side of your head until you can’t see it. You have some pretty good periferal vision. I can see almost 180 degrees. Now make little tunnels with your hands and look around. People with tunnel vision have very different needs from people with limited vision. They need small fonts not large ones. Accessibility is all about flexibility. What helps one group may hurt another because their conditions are polar opposites.

    Colour blindness is also interesting. Let’s say you are an engineer and you come up with this great plan to save millions of dollars by making all traffic lights have only 1 light. We can use multi-coloured LEDs to show red, green and blue and save millions of $s in materials and power. That’s great until you think about the 1% of men who have Deuteranopia. This means it’s very hard for them to distinguish red and green. So 1% of men aren’t going to know if they should stop or go at your new “improved” lights. Not a good thing.
  • Most people think of only “blindness” where people can’t see because of birth. Raise your hand if you know a grandparent or great uncle or someone who has had cataracts. As you can see most people in this room are at some point going to have bad eyesight. Your grandparents probably don’t use computers but you will want to when you are older. Unless you start making products that work for people with bad eyesight then you are screwing yourself in the future.

    Tunnel vision is also really interesting. Wave your hand by the side of your head until you can’t see it. You have some pretty good periferal vision. I can see almost 180 degrees. Now make little tunnels with your hands and look around. People with tunnel vision have very different needs from people with limited vision. They need small fonts not large ones. Accessibility is all about flexibility. What helps one group may hurt another because their conditions are polar opposites.

    Colour blindness is also interesting. Let’s say you are an engineer and you come up with this great plan to save millions of dollars by making all traffic lights have only 1 light. We can use multi-coloured LEDs to show red, green and blue and save millions of $s in materials and power. That’s great until you think about the 1% of men who have Deuteranopia. This means it’s very hard for them to distinguish red and green. So 1% of men aren’t going to know if they should stop or go at your new “improved” lights. Not a good thing.
  • This ISN’T me. But it illustrates again that we all have bad days. Where you wake up and all you want is to wear sunglasses all day and not hear loud noises.
  • Like most disabilities deafness can occur in people for lots of reasons at all points in their life.

    People born deaf however are often less literate than other people because of the challenges of teaching babies that can’t hear. This also means they can be literate only in a sign language such as American Sign Language (ASL).

    It’s interesting that lots of deaf children in areas that are not well supported by special schools invent their own forms of sign language unique to that area but with traits that are the same worldwide.

    I actually get tinnitus from listening to too much Drum and Bass when I was younger. This means I get a ringing sound in my ears. If I’m watching a youtube video with crappy sound and I get tinnitus at the same time I just can’t hear what’s going on and I have to stop watching.
  • Like most disabilities deafness can occur in people for lots of reasons at all points in their life.

    People born deaf however are often less literate than other people because of the challenges of teaching babies that can’t hear. This also means they can be literate only in a sign language such as American Sign Language (ASL).

    It’s interesting that lots of deaf children in areas that are not well supported by special schools invent their own forms of sign language unique to that area but with traits that are the same worldwide.

    I actually get tinnitus from listening to too much Drum and Bass when I was younger. This means I get a ringing sound in my ears. If I’m watching a youtube video with crappy sound and I get tinnitus at the same time I just can’t hear what’s going on and I have to stop watching.
  • Like most disabilities deafness can occur in people for lots of reasons at all points in their life.

    People born deaf however are often less literate than other people because of the challenges of teaching babies that can’t hear. This also means they can be literate only in a sign language such as American Sign Language (ASL).

    It’s interesting that lots of deaf children in areas that are not well supported by special schools invent their own forms of sign language unique to that area but with traits that are the same worldwide.

    I actually get tinnitus from listening to too much Drum and Bass when I was younger. This means I get a ringing sound in my ears. If I’m watching a youtube video with crappy sound and I get tinnitus at the same time I just can’t hear what’s going on and I have to stop watching.
  • Like most disabilities deafness can occur in people for lots of reasons at all points in their life.

    People born deaf however are often less literate than other people because of the challenges of teaching babies that can’t hear. This also means they can be literate only in a sign language such as American Sign Language (ASL).

    It’s interesting that lots of deaf children in areas that are not well supported by special schools invent their own forms of sign language unique to that area but with traits that are the same worldwide.

    I actually get tinnitus from listening to too much Drum and Bass when I was younger. This means I get a ringing sound in my ears. If I’m watching a youtube video with crappy sound and I get tinnitus at the same time I just can’t hear what’s going on and I have to stop watching.
  • What does this mean? It doesn’t mean “rock on” but thanks for trying. It means I love you in sign language. I is your first finger. L is your first finger and thumb and Y is your little finger and thumb. Combined into this one symbol it’s “I love you”.










  • http://www.robertflorio.com/Game_Accessibility.html
  • Learning difficulties are hard. With all the other disabilities people can still consume the same content but in a different form for their needs. With cognitive disabilities people need special help that you probably won’t have to give them.

    One simple thing that you can do to help though is to reduce the amount of “noise” on what you are working on. This can mean simpler words on a web site or icons to signify concepts. The less noise and things that are going on the easier it is for people to read.

    A cognitive disability might just be one of those days you can’t concentrate and you I’m sure you can imagine how having less going on would help that.
  • Learning difficulties are hard. With all the other disabilities people can still consume the same content but in a different form for their needs. With cognitive disabilities people need special help that you probably won’t have to give them.

    One simple thing that you can do to help though is to reduce the amount of “noise” on what you are working on. This can mean simpler words on a web site or icons to signify concepts. The less noise and things that are going on the easier it is for people to read.

    A cognitive disability might just be one of those days you can’t concentrate and you I’m sure you can imagine how having less going on would help that.
  • Learning difficulties are hard. With all the other disabilities people can still consume the same content but in a different form for their needs. With cognitive disabilities people need special help that you probably won’t have to give them.

    One simple thing that you can do to help though is to reduce the amount of “noise” on what you are working on. This can mean simpler words on a web site or icons to signify concepts. The less noise and things that are going on the easier it is for people to read.

    A cognitive disability might just be one of those days you can’t concentrate and you I’m sure you can imagine how having less going on would help that.


  • Accessibililty 101

    1. 1. Accessibility Tuesday, March 24, 2009
    2. 2. Access-a-what? “Accessibility is treating everyone, no matter what their ability, the same.” Tuesday, March 24, 2009
    3. 3. Tuesday, March 24, 2009
    4. 4. Tuesday, March 24, 2009
    5. 5. Why? Tuesday, March 24, 2009
    6. 6. Why? • In some countries it’s the law Tuesday, March 24, 2009
    7. 7. Why? • In some countries it’s the law • You don’t want to exclude any potential customers/visitors Tuesday, March 24, 2009
    8. 8. Why? • In some countries it’s the law • You don’t want to exclude any potential customers/visitors • Accessible web sites tend to rank higher on search engines Tuesday, March 24, 2009
    9. 9. Why? • In some countries it’s the law • You don’t want to exclude any potential customers/visitors • Accessible web sites tend to rank higher on search engines • Ethical thing to do - something that customers value Tuesday, March 24, 2009
    10. 10. Why? • In some countries it’s the law • You don’t want to exclude any potential customers/visitors • Accessible web sites tend to rank higher on search engines • Ethical thing to do - something that customers value • Improved usability Tuesday, March 24, 2009
    11. 11. Legal Stuff N.B. This is not legal advice! Tuesday, March 24, 2009
    12. 12. Legal Stuff • USA N.B. This is not legal advice! Tuesday, March 24, 2009
    13. 13. Legal Stuff • USA • ADA N.B. This is not legal advice! Tuesday, March 24, 2009
    14. 14. Legal Stuff • USA • ADA • Section 508 - for web sites N.B. This is not legal advice! Tuesday, March 24, 2009
    15. 15. Legal Stuff • USA • ADA • Section 508 - for web sites • UK N.B. This is not legal advice! Tuesday, March 24, 2009
    16. 16. Legal Stuff • USA • ADA • Section 508 - for web sites • UK • DDA 1995 N.B. This is not legal advice! Tuesday, March 24, 2009
    17. 17. Potential Markets Tuesday, March 24, 2009
    18. 18. Potential Markets • Employers are obligated to provide accessible software Tuesday, March 24, 2009
    19. 19. Potential Markets • Employers are obligated to provide accessible software • Ergo accessibility makes software more desirable to employers Tuesday, March 24, 2009
    20. 20. Potential Markets • Employers are obligated to provide accessible software • Ergo accessibility makes software more desirable to employers • Tesco.com (it’s like the Walmart of UK) Tuesday, March 24, 2009
    21. 21. Potential Markets • Employers are obligated to provide accessible software • Ergo accessibility makes software more desirable to employers • Tesco.com (it’s like the Walmart of UK) • Accessibility changes created additional £13m ($20m) revenue per year Tuesday, March 24, 2009
    22. 22. Potential Markets • Employers are obligated to provide accessible software • Ergo accessibility makes software more desirable to employers • Tesco.com (it’s like the Walmart of UK) • Accessibility changes created additional £13m ($20m) revenue per year • Disabled people still: eat, listen to music, use taxis... Tuesday, March 24, 2009
    23. 23. Tuesday, March 24, 2009
    24. 24. Tuesday, March 24, 2009
    25. 25. Tuesday, March 24, 2009
    26. 26. $1m Tuesday, March 24, 2009
    27. 27. $1m $100m Tuesday, March 24, 2009
    28. 28. $1m $100m $1b Tuesday, March 24, 2009
    29. 29. The Bailout Tuesday, March 24, 2009
    30. 30. Search Engines Tuesday, March 24, 2009
    31. 31. Search Engines • For web sites Accessibility gets you to: Tuesday, March 24, 2009
    32. 32. Search Engines • For web sites Accessibility gets you to: • Make content available to the computer Tuesday, March 24, 2009
    33. 33. Search Engines • For web sites Accessibility gets you to: • Make content available to the computer • Provide text alternatives to multi-media Tuesday, March 24, 2009
    34. 34. Search Engines • For web sites Accessibility gets you to: • Make content available to the computer • Provide text alternatives to multi-media • Put emphasis on content programatically Tuesday, March 24, 2009
    35. 35. Search Engines • For web sites Accessibility gets you to: • Make content available to the computer • Provide text alternatives to multi-media • Put emphasis on content programatically • All these things help search engines Tuesday, March 24, 2009
    36. 36. Search Engines • For web sites Accessibility gets you to: • Make content available to the computer • Provide text alternatives to multi-media • Put emphasis on content programatically • All these things help search engines • Why? Tuesday, March 24, 2009
    37. 37. Tuesday, March 24, 2009
    38. 38. Ethics and Branding Tuesday, March 24, 2009
    39. 39. Ethics and Branding • Ethics 101 = Don’t be a jerk Tuesday, March 24, 2009
    40. 40. Ethics and Branding • Ethics 101 = Don’t be a jerk • Branding 101 = Find things that are good about you and promote them Tuesday, March 24, 2009
    41. 41. Ethics and Branding • Ethics 101 = Don’t be a jerk • Branding 101 = Find things that are good about you and promote them • Not being a jerk is good, promote it. Tuesday, March 24, 2009
    42. 42. Tuesday, March 24, 2009
    43. 43. Disabilities Tuesday, March 24, 2009
    44. 44. Disabilities • Visual Tuesday, March 24, 2009
    45. 45. Disabilities • Visual • Auditory (hearing) Tuesday, March 24, 2009
    46. 46. Disabilities • Visual • Auditory (hearing) • Mobility Tuesday, March 24, 2009
    47. 47. Disabilities • Visual • Auditory (hearing) • Mobility • Cognitive Tuesday, March 24, 2009
    48. 48. Visual Impairments Tuesday, March 24, 2009
    49. 49. Visual Impairments • Impaired vision Tuesday, March 24, 2009
    50. 50. Visual Impairments • Impaired vision • Cataracts Tuesday, March 24, 2009
    51. 51. Visual Impairments • Impaired vision • Cataracts • Tunnel Vision Tuesday, March 24, 2009
    52. 52. Visual Impairments • Impaired vision • Cataracts • Tunnel Vision • Colour Blindness - yes I know I’m British Tuesday, March 24, 2009
    53. 53. Visual Impairments • Impaired vision • Cataracts • Tunnel Vision • Colour Blindness - yes I know I’m British • Short/long sighted Tuesday, March 24, 2009
    54. 54. Tuesday, March 24, 2009
    55. 55. Tuesday, March 24, 2009
    56. 56. Auditory Tuesday, March 24, 2009
    57. 57. Auditory • Deafness (lack of hearing) Tuesday, March 24, 2009
    58. 58. Auditory • Deafness (lack of hearing) • Can be less-literate, or Tuesday, March 24, 2009
    59. 59. Auditory • Deafness (lack of hearing) • Can be less-literate, or • Literate in only Sign e.g. ASL Tuesday, March 24, 2009
    60. 60. Auditory • Deafness (lack of hearing) • Can be less-literate, or • Literate in only Sign e.g. ASL • Tinnitus Tuesday, March 24, 2009
    61. 61. Tuesday, March 24, 2009
    62. 62. Mobility Tuesday, March 24, 2009
    63. 63. Mobility • Trauma Tuesday, March 24, 2009
    64. 64. Mobility • Trauma • Spinal cord injuries Tuesday, March 24, 2009
    65. 65. Mobility • Trauma • Spinal cord injuries • Loss of limbs/digits Tuesday, March 24, 2009
    66. 66. Mobility • Trauma • Spinal cord injuries • Loss of limbs/digits • Diseases/Conditions Tuesday, March 24, 2009
    67. 67. Mobility • Trauma • Spinal cord injuries • Loss of limbs/digits • Diseases/Conditions • Muscular dystrophy Tuesday, March 24, 2009
    68. 68. Mobility • Trauma • Spinal cord injuries • Loss of limbs/digits • Diseases/Conditions • Muscular dystrophy • Multiple sclerosis Tuesday, March 24, 2009
    69. 69. Mobility • Trauma • Spinal cord injuries • Loss of limbs/digits • Diseases/Conditions • Muscular dystrophy • Multiple sclerosis • Parkinsons Tuesday, March 24, 2009
    70. 70. Mobility • Trauma • Spinal cord injuries • Loss of limbs/digits • Diseases/Conditions • Muscular dystrophy • Multiple sclerosis • Parkinsons • Cerebral palsy Tuesday, March 24, 2009
    71. 71. Tuesday, March 24, 2009
    72. 72. Tuesday, March 24, 2009
    73. 73. Cognitive Tuesday, March 24, 2009
    74. 74. Cognitive • Dyslexia Tuesday, March 24, 2009
    75. 75. Cognitive • Dyslexia • Dyspraxia Tuesday, March 24, 2009
    76. 76. Cognitive • Dyslexia • Dyspraxia • Learning Disabilities Tuesday, March 24, 2009
    77. 77. Design Choices A discussion Tuesday, March 24, 2009
    78. 78. Tom Hughes-Croucher http://twitter.com/sh1mmer croucher@yahoo-inc.com Tuesday, March 24, 2009

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