Detecting mobile & tablet devices and using them for load rules (Guide)

[devid_dekegel]

I've been looking all over the 'interwebs' to find documentation on a specific need today.
Since I didn't find anything, we (big thanks to our front-end developer) decided to build a solution ourselves and share the outcomes with the community.

The need: We want to trigger a specific tag on desktop and tablet devices, but not on mobile devices.
The problem: There isn't a simple way to state 'desktop or mobile device' as a load rule.

So here's the end result, hopefully this will save some of you some time.

Step 1: Adding data sources

screenshot: http://www.pixeld.be/work/tealium1/step%201.png / http://www.pixeld.be/work/tealium1/step%201b.png

Create 2 Data Layer elements:

• device_mobile
• device_tablet

Step 2: Fill up your data layer values using a javascript extension

screenshot:  http://www.pixeld.be/work/tealium1/step%202a.png / http://www.pixeld.be/work/tealium1/step%202b.png

• Select the add extension option -> Go to the ‘Advanced’ tab > Select ‘Javascript Code
• Name your extension and paste the following code in the configuration field. 
  
  

  // global var to detect mobile devices based on user agent
  utag_data.device_mobile = ((function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))return true})(navigator.userAgent||navigator.vendor||window.opera))?'true':'false';
  
  // global var to detect tablets based on user agent
  utag_data.device_tablet = ((function(a){if(/ipad|android.+\d safari|tablet/i.test(a))return true})(navigator.userAgent||navigator.vendor||window.opera))?'true':'false';

• !!! IMPORTANT: Set the scope to ‘Pre Loader' !!!
  

Step 3: Create your load rules

screenshot: http://www.pixeld.be/work/tealium1/step%203.png

Build your load rules:

• is Mobile true: device_mobile / equals / true (if you want to trigger things on mobile devices)
• is Mobile false: device_mobile / equals / false (if you do NOT want to trigger things on mobile devices)
• is Tablet true: device_tablet / equals / true (if you want to trigger things on tablet devices)
• is Tablet false: device_tablet / equals / false (if you do NOT want to trigger things on tablet devices)

Step 4: Use your load rules / Save / Test / Publish / Have a drink

all other tricks, tips, comments around this issue and solution are always welcome. 

[kathleen_jo]

Outstanding solution @devid_dekegel! Thank you so much for sharing.