HTS 5 - online portal

Internet browser

The HTS 5 online portal can be launched with the following internet browsers: 

  • Firefox (version 18 or later)
  • Chrome (version 23 or later)
  • Internet Explorer (version 11 or later)
  • Microsoft Edge
  • MAC OS Safari (version 5 or later)

In all internet browsers: 

  • Javascript must be enabled
  • Cookies must be allowed

The use of the administration interface on tablet computers is not supported.    

HTS 5 works with any operating system using a suitable web browser and PDF viewer, including Windows, Mac and Linux. Other combinations of browsers and operating systems may work but are not specifically supported.

HTS 5 Intranet

HTS 5 Intranet is a product for use in protected, local networks only. The application is intended for enterprise-wide testing solutions, not for the provision of single workstation test taking.


HTS 5 Intranet will run on the following operating systems: 

  • Windows Server 2012 R2
  • Windows Server 2016

The server host has to meet the following minimal requirements

  • Disk memory (RAM) 16 GB
  • Disk space (HDD) 2 GB


The clients for accessing the administrative interface, and the clients used by test takers for test completion, require a web browser in which JavaScript is enabled. Cookies must be allowed (it is enough to allow temporary session cookies for just the intranet host site). The following browsers and operating systems are supported: Firefox from version 18, Chrome from version 23, Internet Explorer version 11, Microsoft Edge and Safari (Mac OS) from version 5, Windows (from 7, 32-bit), Mac OS and Linux.

Test completion on tablet computers is generally supported, subject to the following requirements: screen resolution at least 980 x 600 pixels, Apple iPad from version 4 with Safari, Android from Version 4.2 with Chrome. Exception: a small number of keyboard-specific assessments are not supported. The use of the administration interface on tablet computers is not supported.

Test results are presented in pdf (portable document format).   &nb


Test administration can also be run with tablets: 

  • Minimum resolution: 980 x 600 pixels
  • Apple iPad version 4 or higher, Safari browser
  • Android version 4.2 or higher, Chrome browser

Exception: Keyboard versions of tests (e.g. d2-C) are not available on tablet devices.