Optimising Digital Self-Service: Reducing Costly Call Centre Volume Through Information Architecture Transformation
The Commercial Context (The Problem)
Do not just say the navigation was confusing. Frame it as an operational expense.
● The Challenge: A mature digital platform suffered from severe information overload, fragmented navigation, and a broken information hierarchy.
● The Business Impact: Unable to locate critical information or complete tasks self-sufficiently, users defaulted to high-cost support channels. This triggered an expensive surge in call centre volume, strained customer support operations, and lowered overall customer satisfaction (CSAT) scores.
Data Diagnostics & Research (The Processs)
Show how you used your research and tools to diagnose the exact issue.
● Quantitative Baseline: Analyzed top user exit pages and search queries within Google Analytics to identify where users were abandoning the site out of frustration.
● Qualitative Insights: Conducted targeted usability testing and session recording reviews (via Hotjar / user interviews). This revealed that the existing navigation structure mismatched the users’ mental models, forcing them to give up and pick up the phone.
● The Hypothesis: By restructuring the platform’s information architecture (IA) around core user intent, we could increase self-service completion rates and successfully deflect unnecessary support tickets.
The Optimisation Strategy (The Solution)
Explain your actions using strategic, execution-focused terms.
● Information Architecture Overhaul: Designed and validated a streamlined navigation system using card sorting and tree testing to ensure logical content categorization.
● Streamlined Information Flow: Stripped away redundant content and established a strict visual hierarchy, prioritizing the top 20% of content that addresses 80% of user queries.
● Frictionless Navigation: Implemented clear contextual help, prominent search functionality, and intuitive pathways directly guiding users to self-service resolutions.
The Measurable ROI (The Results)
Even if you do not have exact numbers, use percentage estimates or commercial framing.
● Operational Efficiency: Drastically reduced the volume of “frequently asked question” calls entering the customer support queue.
● Channel Deflection: Successfully shifted user behaviour toward digital self-service, freeing up call centre agents to handle complex, high-value inquiries.
● Product Success Metrics: Achieved a significant drop in support-page bounce rates, a lift in task completion scores, and a measurable reduction in customer service operational costs.


The user’s 123 steps


