Take the follow-up ‘tree test’ to help us improve our website

We’ve been working on a project to make it easier for you to find the information and services you need on our website.

Thank you to everyone who took part in the tree test we ran in March this year. Your feedback helped us identify areas for improvement.

We have designed a new website structure based on that feedback and now, we want your input again.

Participate in our online study

Start the activity

The tree-test will help us understand whether the new structure is easier to navigate. It will take no more than 10 minutes to do. The tree-test is now open and will close on 13 July 2025.

We are looking for feedback from:

• the general public
• health professionals
• sponsors or manufacturers of medicines and medical devices (or their representatives).

Follow-up tree test objectives

The aims of this activity are to:

• evaluate how people look for information in the redesigned website
• identify potential usability, navigation and labelling issues
• gather insights about users’ perceptions of the structure of the information.

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.

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.