Evaluating Information Architecture: A Usability-First Approach

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Information architecture is the foundation of a usable digital experience. It determines how content is organised, labeled, and navigated, shaping how easily users can find what they need or discover something new.

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But good architecture isn’t just about structure. It’s also about understanding your users: their goals, their expectations, and how they mentally map your content. Evaluating information architecture through a usability lens means asking whether it supports clarity, discoverability, and seamless navigation.

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You’ve likely heard of the “three-click rule” or the “seven navigation items” myth . These ideas are common but outdated. Usability is less about arbitrary limits and more about how intuitive and efficient the experience feels.

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Here's how to evaluate how well your architecture is working for your users:

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1. Way finding

Can users orient themselves and move through your content confidently? One effective approach is to provide breadcrumb navigation which helps users see where they are in the site hierarchy and retrace their steps. For example, a product page might show:

 Women > Tops > T-shirts
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Ask yourself: 

How would a user navigate away from the current page?

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2. Discoverability

Filling your homepage or dashboard with too many links can overwhelm users and create cognitive overload. Effective information architecture prioritises relevance and timing, placing content where it naturally fits within the user's journey.

Ask yourself:

"Where would users expect to find this content?"

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"Does the placement of this content make sense for the user journey?"

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3. Pathways

Are there multiple routes to the same destination? That’s okay, as long as each path feels intentional and logical.

A well-structured experience supports both goal-oriented users and explorers without making them feel lost or confused.

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Simple exercise: 

Map out the different routes, can you identify any shortcuts, missing steps or extra steps that aren't needed?

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4. Organisation

Is your content grouped in a way that reflects how your users think?

Tools like card sorting and tree testing can reveal how users naturally categorise information. Let user insight guide your structure, rather than internal assumptions or business silos.

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Conclusion

Evaluating your information architecture through a usability lens means looking beyond structure, it’s about supporting clarity, discoverability, and efficient navigation.

Start by doing research with real users. Simple methods like card sorting or tree testing can uncover pain points and highlight opportunities for improvement.

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Need Help?

If you’re new to usability evaluations or want expert input, we’d love to support you. Whether you're looking for advice or a full independent review, get in touch - we’re here to help make your product better.

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