Responsive design functions well in a limited desktop browser, but fails to deliver on a mobile device

I recently created a mobile-friendly layout for my website,

To achieve this, I customized the CSS for smaller screens and utilized jQuery to dynamically apply the appropriate styles. I have set up two layouts with a width threshold at 940 pixels.

function adjustStyle(width) {
  styleSheet = "";
  width = parseInt(width);
  if (width < 940) {
    styleSheet = http_base_url + "/css/style-size-small.css";
  } else {
    styleSheet = http_base_url + "/css/style-size-normal.css";
  }
  
  if( $("#size-stylesheet").attr("href").lastIndexOf(styleSheet, 0) !== 0){
    $("#size-stylesheet").attr("href", styleSheet);
  }
}

$(window).load(function() {
  adjustStyle($(this).width());
  $(window).resize(function() {
    adjustStyle($(this).width());
  });
});

While everything appears as expected on desktops, I encountered issues when testing the layout on different devices:

  • Samsung Galaxy S II - default browser: functioning correctly
  • Samsung Galaxy S II - Firefox: displaying a miniature unreadable desktop version despite lower screen resolution than the threshold
  • Older iPhone with low resolution: still showing a tiny desktop version

It's evident that there is something amiss in the implementation, but I haven't been able to pinpoint the exact issue yet.

Answer №1

It appears that the head section is lacking the essential viewport tag. To rectify this, include the following snippet:

<!-- Viewport Tag -->
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1, user-scalable=no" />

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