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Better By Proxy at Velocity NY 2015

Tim Kadlec
October 13, 2015

Better By Proxy at Velocity NY 2015

Proxy browsers get a bad rep. “They’re antiques.” “They behave in weird ways.” “They’re crappy browsers.” But a deeper understanding of what they accomplish, and what they do behind the scenes, reveals that they’re actually quite ingenious. And far from becoming outdated, they’re uniquely positioned to bring the web to the next wave of people and devices around the world.

We’ll look some of the more popular proxy browsers today, what they do, how to ensure your site works well on them, and why that’s so important.

Presented at Velocity, NY in New York, NY on October 13, 2015.

Tim Kadlec

October 13, 2015
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  1. BETTER BY
    PROXY
    Tim Kadlec | @tkadlec

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  5. View Slide

  6. “Opera Mini is a s&%##*
    browser…

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  7. “Proxy browsers are s&%##*
    browsers…

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  8. USER CAPABILITY

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  9. INCENTIVE

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  10. IRAN
    3G CONNECTIONS ARE
    “…AGAINST HUMAN AND
    MORAL STANDARDS.”
    http://bit.ly/1pKV0gH

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  11. AFFORDABILITY

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  12. “…as bandwidth grows, and as
    processing power grows, and as
    browsers get better we just keep
    filling everything up. ”
    Jeff Veen

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  13. 2069KB

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  14. 45%
    in two years

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  15. View Slide

  16. View Slide

  17. INFRASTRUCTURE

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  18. 0
    3000
    6000
    9000
    12000
    Pakistan
    Iran
    India
    Indonesia
    Azerbaijan
    South Africa
    China
    Armenia
    Belarus
    Bosnia
    Macedonia
    Georgia
    Kazakhstan
    US

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  19. View Slide

  20. https://twitter.com/pattytoland/status/652131997494603778

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  21. UNITED STATES 100 93 85 94
    THAILAND 37 79 90 48
    CHINA 28 81 92 43
    SOUTH AFRICA 38 62 89 49
    INDONESIA 29 79 89 30
    INDIA 38 65 39 19
    PAKISTAN 21 63 29 10
    TANZANIA 13 27 47 0
    ETHIOPIA 0 0 0 5

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  23. http://bit.ly/1pKV0gH
    0
    7.5
    15
    22.5
    30
    India
    APAC

    (minus China & India)
    Africa
    China
    Latin America
    North America
    Middle East
    CEE
    Western Europe

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  24. View Slide

  25. OUR INTERNET IS NOT
    THEIR INTERNET

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  26. View Slide

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  29. View Slide

  30. http://flic.kr/p/cfoupQ

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  31. View Slide

  32. View Slide

  33. View Slide

  34. 100 million daily active users

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  35. 42.2% market share in India

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  36. 34.6% market share in China

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  37. 258 million active users in January

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  38. 168 billion pages transcoded

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  39. Top 5 tablet browser in 40 countries

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  40. View Slide

  41. Conservative Aggressive

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  47. View Slide

  48. View Slide

  49. View Slide

  50. View Slide

  51. Network-constrained

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  52. Bandwidth

    Latency
    Cost of Data

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  53. Device-
    constrained

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  54. Memory
    CPU

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  55. Conservative Aggressive

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  56. Browsers with proxy services Remote browsers

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  57. View Slide

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  60. View Slide

  61. View Slide

  62. View Slide

  63. High Bandwidth/Low Latency

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  64. View Slide

  65. View Slide

  66. View Slide

  67. 23%

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  68. gzip

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  69. gzip
    minification

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  70. gzip
    minification
    image compression
    image transcoding

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  71. View Slide

  72. gzip
    minification
    image compression
    image transcoding
    SPDY or HTTP/2

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  73. [REMOTE_ADDR] => 90.145.158.4

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  74. [REMOTE_ADDR] => 66.249.81.203

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  75. [REMOTE_ADDR] => 66.249.81.203
    [HTTP_X_FORWARDED_FOR] =>
    90.145.158.4

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  76. [HTTP_X_CONTENT_OPT] => Turbo/4.35.8109

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  77. [HTTP_VIA] => 1.1 Chrome-Compression-Proxy

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  78. [HTTP_VIA] => HTTP/1.1
    alp2nz01msp1ts06.wnsnet.attws.com

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  79. [HTTP_X_UCBROWSER_UA] =>
    dv(XT1095);pr(UCBrowser/10.3.0.552);ov(Android
    5.0);ss(360*592);pi(1080*1776);bt(GJ);pm(1);bv(1
    );nm(0);im(0);sr(0);nt(1);dn(8664342047-3f990287
    );ai(720089404747345);

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  80. Potential Issue #1:

    Minification removes comments in JS/CSS

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  81. Potential Issue #1:

    Minification removes comments in JS/CSS
    Solution:

    Don’t rely on comments

    Use Cache-Control: no-transform

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  82. Potential Issue #2:

    Images may be removed from page

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  83. Solution:

    Ensure all images have text fallbacks
    Potential Issue #2:

    Images may be removed from page

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  84. Potential Issue #3:

    Image transcoding or compression may result

    in blurry images

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  85. Potential Issue #3:

    Image transcoding or compression may result

    in blurry images
    Solution:

    Use Cache-Control: no-transform

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  86. Data Savings
    Up to 50%
    Approximately 58%
    Up to 60%

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  87. View Slide

  88. Browsers with proxy services Remote browsers

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  89. View Slide

  90. Remote browsing

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  95. View Slide

  96. View Slide

  97. var myButton = document.getElementById('#mybutton');
    button.addEventListener('click', function(){
    //something
    });

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  103. EVERYTHING REQUIRES USER
    INTERACTION.
    EVERYTHING REQUIRES A
    SERVER ROUND-TRIP.

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  104. Limit data consumed and limit
    impact on device.

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  106. contextmenu
    dblclick
    error
    keydown
    keypress
    keyup
    mousemove
    mouseenter
    mouseleave
    mouseout
    mousewheel
    resize
    scroll
    touchcancel
    touchend
    touchmove
    touchstart

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  107. setTimeout ~= 5s
    setInterval ~= 5s
    xmlHTTPRequest ~= 5s

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  108. setTimeout executed immediately
    setInterval executed once immediately
    xmlHTTPRequest ~= 3s-4s

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  111. DIFF

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  112. Limit data consumed and limit
    impact on device while providing
    a nearly equal experience to a
    typical browser.

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  113. contextmenu
    dblclick
    error
    keydown
    keypress
    keyup
    mousemove
    mouseenter
    mouseleave
    mouseout
    mousewheel
    resize
    scroll
    touchcancel
    touchend
    touchmove
    touchstart

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  114. View Slide

  115. Rendering Engine
    Presto
    Blink
    U2 kernel (based on Gecko)
    Gecko

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  116. border-image
    border-radius
    gradients
    transitions
    animations
    @keyframes
    font-face
    javascript only API’s (ex: localStorage)

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  117. View Slide

  118. no icon fonts

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  119. supportSVG = true

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  120. supportSVG = true
    no onerror

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  121. UCWEB/2.0 (MIDP-2.0; U; Adr 5.0; EN-US; XT1095)
    U2/1.0.0 UCBrowser/9.9.1.554 U2/1.0.0 Mobile

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  122. UCWEB/2.0 (MIDP-2.0; U; Adr 5.0; EN-US; XT1095)
    U2/1.0.0 UCBrowser/9.9.1.554 U2/1.0.0 Mobile

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  123. document.write(navigator.userAgent);

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  124. Mozilla/50 (X11; U; Linux i686; zh-CN; rv:
    1.2.3.4) Gecko/
    document.write(navigator.userAgent);

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  126. if('querySelector' in document
    && 'localStorage' in window
    && 'addEventListener' in window) {
    // bootstrap the javascript application
    }

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  127. if('querySelector' in document
    && 'localStorage' in window
    && 'addEventListener' in window) {
    // bootstrap the javascript application
    }
    Sure, why not.

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  128. var hasStorage = (function() {
    try {
    localStorage.setItem(mod, mod);
    localStorage.removeItem(mod);
    return true;
    } catch (exception) {
    return false;
    }
    }());
    if( 'querySelector' in document
    && hasStorage
    && 'addEventListener' in window ){
    // bootstrap the javascript application
    }

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  129. var hasStorage = (function() {
    try {
    localStorage.setItem("test", "mod" );
    localStorage.removeItem("test");
    return true;
    } catch (exception) {
    if (exception &&
    exception.name=="QuotaExceededError" &&
    localStorage.length == 0) {
    return true;
    } else {
    return false;
    }
    return false;
    }
    }());
    if( 'querySelector' in document && hasStorage && 'addEventListener' in window )
    {
    //cuts the mustard
    }

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  130. Display modes

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  131. Puffin request desktop

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  132. Puffin request desktop

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  133. Single column view

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  134. View Slide

  135. href="stylesheets/screen.css">
    href="stylesheets/handheld.css">

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  139. [HTTP_X_UCBROWSER_UA] =>
    dv(XT1095);pr(UCBrowser/10.3.0.552);ov(Android
    5.0);ss(360*592);pi(1080*1776);bt(GJ);pm(1);bv(1
    );nm(0);im(0);sr(0);nt(1);dn(8664342047-3f990287
    );ai(720089404747345);

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  141. var hasStorage = (function() {
    try {
    localStorage.setItem("test", "mod" );
    localStorage.removeItem("test");
    return true;
    } catch (exception) {
    if (exception &&
    exception.name=="QuotaExceededError" &&
    localStorage.length == 0) {
    return true;
    } else {
    return false;
    }
    return false;
    }
    }());
    if( 'querySelector' in document && hasStorage && 'addEventListener' in window )
    {
    //cuts the mustard
    }

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  142. UCWEB/2.0 (MIDP-2.0; U; Adr 5.0; EN-US; XT1095)
    U2/1.0.0 UCBrowser/9.9.1.554 U2/1.0.0 Mobile

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  143. Data Savings
    Up to 90%
    Up to 85%
    Up to 90%
    Up to 50%

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  148. “We believe that Africa’s internet
    evolution story will be no different
    from the rest of the world. We listen
    to music. We watch movies. We
    play games online…
    http://bit.ly/1R1ZmJV

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  149. View Slide

  150. Progressive enhancement

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  151. Progressive enhancement
    Responsive design

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  152. Progressive enhancement
    Responsive design
    No heavy JS frameworks

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  153. Progressive enhancement
    Responsive design
    No heavy JS frameworks
    Cut the mustard

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  154. The journey begins by
    letting go of control, and
    becoming flexible.
    John Allsopp

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  155. THANK YOU
    Tim Kadlec | @tkadlec

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