Take a ‘tree test’ to help us improve our website

Take a ‘tree test’ to help us improve our website

27 Mar 2025

We’re working on a project to make it easier for all users to find the information and services they need on our website – and we want your input.

Participate in our online study

Start activity - external site

We’re running an online study called a tree test, to help us understand how easy or difficult it is to navigate and find information on this website in its current form.

After we analyse the results, we’ll share a second study to test whether a revised website structure is easier to navigate. 

This study will take no more than 10 minutes.

We want to ensure our website works well for everyone who needs it. You can participate in this study if you are a:

  • consumer or member of the general public
  • health professional
  • sponsor or manufacturers of medicines (or their representative)
  • sponsor or manufacturers of medical devices (or their representative).

Tree test objectives 

The aims of this activity are to:

  • evaluate how people look for information on this website
  • identify potential usability, navigation and labelling issues
  • gather insights regarding users’ perceptions of the structure of the information on our website.

Join our user research group

If you’d like to participate in other user research activities about digital projects for the TGA and the Office of Drug Control, you can sign up for our user research group - external site.

Your insights and feedback help us create better digital experiences that meet your needs.

About the information architecture (IA) project 

The TGA Website Information Architecture Enhancement project aims to improve the website’s navigation and to help users find the information and services they need more easily.

We are reviewing how content is grouped and labelled, streamlining how users interact with key sections, and exploring ways to deliver a more seamless user experience.

What is an IA?

Information architecture is the underlying blueprint of how information is organised and structured to help people to find, understand and use that content.

It’s not just about navigation or creating a sitemap. Information architecture focuses on understanding user needs, organising content, and labelling it in a way that makes sense for users.

A website IA focuses on:

  • content organisation, grouping, navigation labels, and pathways
  • relationships between different content types. 

Key elements of an IA include:

  • Structure: Establishing a logical system to order, categorise and prioritise information, and structuring content to align with user’s goals and expectations of information structure to make content easy to find and understand.
  • Organisation: Grouping similar information together to create meaningful units, such as topics, themes, or tasks.
  • Labelling: Using clear and concise language to create consistent labels for web pages, filters and navigational text.

 

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