Cross-Browser Testing Support

Below is the default list of web browsers which we test against prior to final deployment. The scope of browser testing is agreed at the start of the project.

Browser sets

“Set A” contains the default list that all projects should be tested against. This includes the most popular versions of both desktop and mobile browsers.

“Set B” extends the list with further recent versions of desktop browsers.

“Set C” and “Set D” extend tablet and mobile testing and may be used where the project warrants further testing in these areas or is aimed purely at one type of device.

Set A (Essential)

  • Most Popular desktop Internet Explorer
  • Most Popular desktop Chrome
  • Most Popular desktop Firefox
  • Most Popular Android Chrome (on a recent device within the last 2 years)
  • Most Popular iPhone Safari (on a recent device within the last 2 years)
  • Most Popular iPad Safari (on a recent device within the last 2 years)


Set B (Additional)

  • Set A +
  • Most popular desktop Safari
  • 2nd most popular desktop Internet Explorer
  • 2nd most popular desktop Firefox
  • 2nd most popular desktop Chrome


Set C (additional mobile)

  • Android Stock browser (may differ due to vendor but on a recent device)
  • Android Chrome (on a recent device and OS - within the last 2 years)
  • iPhone Safari (on a recent device and OS - within the last 2 years)
  • Android Opera Mini (on a recent device and OS - within the last 2 years)
  • Windows Phone Internet Explorer


Set D (additional tablet)

  • iPad Mini - Safari
  • 7” Android Tablet Chrome
  • 10” Android Tablet Chrome


Based on previous 3 month usage statistics from gs.statcounter.com and netmarketshare.com.

As of 1st October 2017

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 60 (Desktop)
  • Firefox 54 (Desktop)
  • Chrome 59 (Android)
  • Safari 10 (iPad & iPhone)


Set B

  • Safari 10.1 (Desktop)
  • Edge 15 (Desktop)
  • Firefox 55 (Desktop)
  • Chrome 59 (Desktop)

As of 1st September 2017

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 59 (Desktop)
  • Firefox 54 (Desktop)
  • Chrome 59 (Android)
  • Safari 10 (iPad & iPhone)


Set B

  • Safari 10.1 (Desktop)
  • Edge 14 (Desktop)
  • Firefox 53 (Desktop)
  • Chrome 58 (Desktop)

As of 1st August 2017

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 58 (Desktop)
  • Firefox 53 (Desktop)
  • Chrome 58 (Android)
  • Safari 10 (iPad & iPhone)


Set B

  • Safari 10.1 (Desktop)
  • Edge 14 (Desktop)
  • Firefox 54 (Desktop)
  • Chrome 59 (Desktop)

As of 1st July 2017

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 58 (Desktop)
  • Firefox 53 (Desktop)
  • Chrome 58 (Android)
  • Safari 10 (iPad & iPhone)


Set B

  • Safari 10.1 (Desktop)
  • Edge 14 (Desktop)
  • Firefox 52 (Desktop)
  • Chrome 57 (Desktop)

As of 1st June 2017

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 56 (Desktop)
  • Firefox 52 (Desktop)
  • Chrome 56 (Android)
  • Safari 10 (iPad & iPhone)


Set B

  • Safari 10 (Desktop)
  • Edge 14 (Desktop)
  • Firefox 53 (Desktop)
  • Chrome 57 (Desktop)

As of 1st May 2017

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 56 (Desktop)
  • Firefox 51 (Desktop)
  • Chrome 56 (Android)
  • Safari 10 (iPad & iPhone)


Set B

  • Safari 10 (Desktop)
  • Edge 14 (Desktop)
  • Firefox 55 (Desktop)
  • Chrome 57 (Desktop)

As of 1st April 2017

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 56 (Desktop)
  • Firefox 52 (Desktop)
  • Chrome 55 (Android)
  • Safari 10 (iPad & iPhone)


Set B

  • Safari 10 (Desktop)
  • Edge 14 (Desktop)
  • Firefox 51 (Desktop)
  • Chrome 55 (Desktop)

As of 1st March 2017

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 55 (Desktop)
  • Firefox 50 (Desktop)
  • Chrome 55 (Android)
  • Safari 10 (iPad & iPhone)


Set B

  • Safari 10 (Desktop)
  • Edge 14 (Desktop)
  • Firefox 51 (Desktop)
  • Chrome 56 (Desktop)

As of 1st February 2017

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 54 (Desktop)
  • Firefox 50 (Desktop)
  • Chrome 55 (Android)
  • Safari 10 (iPad & iPhone)


Set B

  • Safari 10 (Desktop)
  • Edge 14 (Desktop)
  • Firefox 49 (Desktop)
  • Chrome 55 (Desktop)

As of 1st January 2017

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 54 (Desktop)
  • Firefox 49 (Desktop)
  • Chrome 54 (Android)
  • Safari 10 (iPad & iPhone)


Set B

  • Safari 10 (Desktop)
  • Edge 14 (Desktop)
  • Firefox 50 (Desktop)
  • Chrome 53 (Desktop)

As of 1st December 2016

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 54 (Desktop)
  • Firefox 49 (Desktop)
  • Chrome 53 (Android)
  • Safari 9 (iPad & iPhone)


Set B

  • Safari 10 (Desktop)
  • Edge 14 (Desktop)
  • Firefox 48 (Desktop)
  • Chrome 49 (Desktop)

As of 1st November 2016

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 53 (Desktop)
  • Firefox 49 (Desktop)
  • Chrome 52 (Android)
  • Safari 9 (iPad & iPhone)


Set B

  • Safari 9.1 (Desktop)
  • Edge 13 (Desktop)
  • Firefox 48 (Desktop)
  • Chrome 54 (Desktop)

As of 1st October 2016

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 52 (Desktop)
  • Firefox 48 (Desktop)
  • Chrome 51 (Android)
  • Safari 9 (iPad & iPhone)


Set B

  • Safari 9.1 (Desktop)
  • Edge 13 (Desktop)
  • Firefox 49 (Desktop)
  • Chrome 53 (Desktop)

As of 1st September 2016

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 52 (Desktop)
  • Firefox 47 (Desktop)
  • Chrome 51 (Android)
  • Safari 9 (iPad & iPhone)


Set B

  • Safari 9.1 (Desktop)
  • Edge 13 (Desktop)
  • Firefox 48 (Desktop)
  • Chrome 51 (Desktop)

As of 1st August 2016

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 51 (Desktop)
  • Firefox 47 (Desktop)
  • Chrome 50 (Android)
  • Safari 9 (iPad & iPhone)


Set B

  • Safari 9.1 (Desktop)
  • Edge 13 (Desktop)
  • Firefox 45 (Desktop)
  • Chrome 49 (Desktop)

As of 1st June 2016

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 50 (Desktop)
  • Firefox 46 (Desktop)
  • Chrome 49 (Android)
  • Safari 9 (iPad & iPhone)


Set B

  • Safari 9 (Desktop)
  • Edge 13 (Desktop)
  • Firefox 45 (Desktop)
  • Chrome 49 (Desktop)

As of 1st May 2016

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 49 (Desktop)
  • Firefox 45 (Desktop)
  • Chrome 49 (Android)
  • Safari 9 (iPad & iPhone)


Set B

  • Safari 9 (Desktop)
  • Edge 13 (Desktop)
  • Firefox 43 (Desktop)
  • Chrome 50 (Desktop)

As of 1st April 2016

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 49 (Desktop)
  • Firefox 44 (Desktop)
  • Chrome 47 (Android)
  • Safari 9 (iPad & iPhone)


Set B

  • Safari 9 (Desktop)
  • Edge 13 (Desktop)
  • Firefox 45 (Desktop)
  • Chrome 48 (Desktop)

As of 1st March 2016

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 47 (Desktop)
  • Firefox 43 (Desktop)
  • Chrome 47 (Android)
  • Safari 9 (iPad & iPhone)


Set B

  • Safari 9 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 44 (Desktop)
  • Chrome 48 (Desktop)

As of 1st Febuary 2016

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 47 (Desktop)
  • Firefox 42 (Desktop)
  • Chrome 47 (Android)
  • Safari 8 (iPad & iPhone)


Set B

  • Safari 8 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 43 (Desktop)
  • Chrome 46 (Desktop)


As of 1st December 2015

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 46 (Desktop)
  • Firefox 42 (Desktop)
  • Chrome 45 (Android)
  • Safari 8 (iPad & iPhone)


Set B

  • Safari 8 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 41 (Desktop)
  • Chrome 45 (Desktop)


As of 1st November 2015

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 45 (Desktop)
  • Firefox 40 (Desktop)
  • Chrome 45 (Android)
  • Safari 8 (iPad & iPhone)


Set B

  • Safari 8 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 41 (Desktop)
  • Chrome 44 (Desktop)


As of 1st October 2015

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 45 (Desktop)
  • Firefox 40 (Desktop)
  • Chrome 44 (Android)
  • Safari 8 (iPad & iPhone)


Set B

  • Safari 8 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 39 (Desktop)
  • Chrome 44 (Desktop)


As of 1st September 2015

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 44 (Desktop)
  • Firefox 39 (Desktop)
  • Chrome 43 (Android)
  • Safari 8 (iPad & iPhone)


Set B

  • Safari 8 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 40 (Desktop)
  • Chrome 43 (Desktop)


As of 1st August 2015

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 43 (Desktop)
  • Firefox 39 (Desktop)
  • Chrome 43 (Android)
  • Safari 8 (iPad & iPhone)


Set B

  • Safari 8 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 38 (Desktop)
  • Chrome 44 (Desktop)


As of 1st July 2015

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 43 (Desktop)
  • Firefox 38 (Desktop)
  • Chrome 42 (Android)
  • Safari 8 (iPad & iPhone)


Set B

  • Safari 8 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 37 (Desktop)
  • Chrome 42 (Desktop)


As of 1st June 2015

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 42 (Desktop)
  • Firefox 37 (Desktop)
  • Chrome 42 (Android)
  • Safari 8 (iPad & iPhone)


Set B

  • Safari 8 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 38 (Desktop)
  • Chrome 43 (Desktop)


As of 1st April 2015

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 41 (Desktop)
  • Firefox 36 (Desktop)
  • Chrome 40 (Android)
  • Safari 8 (iPad & iPhone)


Set B

  • Safari 8 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 35 (Desktop)
  • Chrome 30 (Desktop)


As of 1st March 2015

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 40 (Desktop)
  • Firefox 35 (Desktop)
  • Chrome 39 (Android)
  • Safari 8 (iPad & iPhone)


Set B

  • Safari 8 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 34 (Desktop)
  • Chrome 39 (Desktop)


As of 1st February 2015

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 39 (Desktop)
  • Firefox 34 (Desktop)
  • Chrome 39 (Android)
  • Safari 8 (iPad & iPhone)


Set B

  • Safari 8 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 35 (Desktop)
  • Chrome 40 (Desktop)


As of 1st January 2015

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 39 (Desktop)
  • Firefox 34 (Desktop)
  • Chrome 38 (Android)
  • Safari 8 (iPad & iPhone)


Set B

  • Safari 8 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 33 (Desktop)
  • Chrome 38 (Desktop)


As of 1st December 2014

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 38 (Desktop)
  • Firefox 33 (Desktop)
  • Chrome 38 (Android)
  • Safari 7 (iPad & iPhone)


Set B

  • Safari 7 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 32 (Desktop)
  • Chrome 39 (Desktop)


As of 1st November 2014

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 37 (Desktop)
  • Firefox 32 (Desktop)
  • Chrome 37 (Android)
  • Safari 7 (iPad & iPhone)


Set B

  • Safari 7 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 31 (Desktop)
  • Chrome 38 (Desktop)


As of 1st October 2014

Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 37 (Desktop)
  • Firefox 32 (Desktop)
  • Chrome 37 (Android)
  • Safari 7 (iPad & iPhone)


Set B

  • Safari 7 (Desktop)
  • Internet Explorer 8 (Desktop)
  • Firefox 31 (Desktop)
  • Chrome 36 (Desktop)


As of 1st September 2014 - Set A

  • Internet Explorer 11 (Desktop)
  • Chrome 36 (Desktop)
  • Firefox 31 (Desktop)
  • Chrome 36 (Android)
  • Safari 7 (iPad & iPhone)


As of 1st August 2014

  • IE11 (Windows)
  • IE8 (Windows)
  • Firefox 30 (Windows and Mac)
  • Chrome 35 (Windows and Mac)
  • Safari 7 (Mac)



As of 1st July 2014

  • IE11 (Windows)
  • IE8 (Windows)
  • Firefox 29.0 (Windows and Mac)
  • Chrome 35 (Windows and Mac)
  • Safari 7 (Mac)

As of 1st June 2014

  • IE11 (Windows)
  • IE8 (Windows)
  • Firefox 28.0 (Windows and Mac)
  • Chrome 34 (Windows and Mac)
  • Safari 7 (Mac)


As of 1st May 2014

  • IE11 (Windows)
  • IE8 (Windows)
  • Firefox 27.0 (Windows and Mac)
  • Chrome 33 (Windows and Mac)
  • Safari 7 (Mac)


As of 1st April 2014

  • IE11 (Windows)
  • IE8 (Windows)
  • Firefox 27.0 (Windows and Mac)
  • Chrome 33 (Windows and Mac)
  • Safari 7 (Mac)


As of 1st March 2014

  • IE11 (Windows)
  • IE8 (Windows)
  • Firefox 26.0 (Windows and Mac)
  • Chrome 31 (Windows and Mac)
  • Safari 7 (Mac)


As of 1st February 2014

  • IE11 (Windows)
  • IE8 (Windows)
  • Firefox 26.0 (Windows and Mac)
  • Chrome 31 (Windows and Mac)
  • Safari 7 (Mac)


As of 1st January 2014

  • IE10 (Windows)
  • IE8 (Windows)
  • Firefox 25.0 (Windows and Mac)
  • Chrome 31 (Windows and Mac)
  • Safari 6 (Mac)


As of 1st October 2013

  • IE10 (Windows)
  • IE8 (Windows)
  • Firefox 23.0 (Windows and Mac)
  • Firefox 22.0 (Windows and Mac)
  • Chrome 28 (Windows and Mac)
  • Safari 6 (Mac)


As of 1st August 2013

  • IE10 (Windows)
  • IE8 (Windows)
  • Firefox 22.0 (Windows and Mac)
  • Firefox 21.0 (Windows and Mac)
  • Chrome 27 (Windows and Mac)
  • Safari 6 (Mac)


As of 14th July 2013

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 21.0 (Windows and Mac)
  • Firefox 20.0 (Windows and Mac)
  • Chrome 26 (Windows and Mac)
  • Safari 6 (Mac)


As of 3rd June 2013

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 20.0 (Windows and Mac)
  • Firefox 19.0 (Windows and Mac)
  • Chrome 26 (Windows and Mac)
  • Safari 6 (Mac)


As of 1st May 2013

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 19.0 (Windows and Mac)
  • Firefox 18.0 (Windows and Mac)
  • Chrome 25 (Windows and Mac)
  • Safari 6 (Mac)


As of 2nd April 2013

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 19.0 (Windows and Mac)
  • Firefox 18.0 (Windows and Mac)
  • Chrome 24 (Windows and Mac)
  • Safari 6 (Mac)


As of 1st March 2013

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 18.0 (Windows and Mac)
  • Firefox 17.0 (Windows and Mac)
  • Chrome 23 (Windows and Mac)
  • Safari 6 (Mac)


As of 4th February 2013

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 17.0 (Windows and Mac)
  • Firefox 16.0 (Windows and Mac)
  • Chrome 23 (Windows and Mac)
  • Safari 6 (Mac)


As of 3rd January 2013

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 17.0 (Windows and Mac)
  • Firefox 16.0 (Windows and Mac)
  • Chrome 23 (Windows and Mac)
  • Safari 5.1 (Mac)


As of 3rd December 2012

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 16.0 (Windows and Mac)
  • Firefox 15.0 (Windows and Mac)
  • Chrome 22 (Windows and Mac)
  • Safari 5.1 (Mac)


As of 1st October 2012 (reviewed: 8th November 2012)

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 15.0 (Windows and Mac)
  • Firefox 14.0 (Windows and Mac)
  • Chrome 21 (Windows and Mac)
  • Safari 5.1 (Mac)


As of 3rd September 2012

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 14.0 (Windows and Mac)
  • Firefox 13.0 (Windows and Mac)
  • Chrome 20 (Windows and Mac)
  • Safari 5.1 (Mac)


As of 14th August 2012

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 13.0 (Windows and Mac)
  • Firefox 12.0 (Windows and Mac)
  • Chrome 19 (Windows and Mac)
  • Safari 5.1 (Mac)


As of 1st June 2012

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 12.0 (Windows and Mac)
  • Firefox 11.0 (Windows and Mac)
  • Chrome 18 (Windows and Mac)
  • Safari 5.1 (Mac)


As of 1st May 2012

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 11.0 (Windows and Mac)
  • Firefox 10.0 (Windows and Mac)
  • Chrome 18 (Windows and Mac)
  • Safari 5.1 (Mac)


As of 5th April 2012

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 10.0 (Windows and Mac)
  • Firefox 9.0 (Windows and Mac)
  • Chrome 17 (Windows and Mac)
  • Safari 5.1 (Mac)


As of 5th March 2012

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 9.0 (Windows and Mac)
  • Firefox 8.0 (Windows and Mac)
  • Chrome 16 (Windows and Mac)
  • Safari 5.1 (Mac)


As of 1st February 2012

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 8.0 (Windows and Mac)
  • Firefox 3.6 (Windows and Mac)
  • Chrome 16 (Windows and Mac)
  • Safari 5.1 (Mac)


As of 5th January 2012

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 8.0 (Windows and Mac)
  • Firefox 7.0 (Windows and Mac)
  • Chrome 15 (Windows and Mac)
  • Safari 5.1 (Mac)


As of 1st December 2011

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 7.0 (Windows and Mac)
  • Firefox 6.0 (Windows and Mac)
  • Chrome 14 (Windows and Mac)
  • Safari 5.1 (Mac)


As of 2nd November 2011

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 6.0 (Windows and Mac)
  • Firefox 3.6 (Windows and Mac)
  • Chrome 13 (Windows and Mac)
  • Safari 5.1 (Mac)


As of 1st September 2011

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 5.0 (Windows and Mac)
  • Firefox 3.6 (Windows and Mac)
  • Chrome 13 (Windows and Mac)
  • Safari 5 (Mac)


As of 1st August 2011

  • IE9 (Windows)
  • IE8 (Windows)
  • Firefox 4.0 (Windows and Mac)
  • Firefox 3.6 (Windows and Mac)
  • Chrome 12 (Windows and Mac)
  • Safari 5 (Mac)


As of 4th July 2011

  • IE8 (Windows)
  • IE7 (Windows)
  • Firefox 4.0 (Windows and Mac)
  • Firefox 3.6 (Windows and Mac)
  • Chrome 11 (Windows and Mac)
  • Safari 5 (Mac)


As of 23rd June 2011

  • IE8 (Windows)
  • IE7 (Windows)
  • Firefox 4.0 (Windows and Mac)
  • Firefox 3.6 (Windows and Mac)
  • Chrome 10 (Windows and Mac)
  • Safari 5 (Mac)

Other updates