Uses quantitative and qualitative methods—including user surveys and ANOVA analysis across multiple government websites—to identify common obstacles (e.g. alt‑text quality, poor navigation, language support). Offers evidence‑based recommendations for improving task completion and satisfaction on public‑sector portals.

Examines 342 county government portals in the U.S., correlating WCAG 2.0 accessibility scores (via automated tools) with usability evaluations (heuristic heuristics). Finds a significant positive correlation between accessibility conformance and usability ranking, suggesting that improving accessibility also improves usability.

Evaluates usability of popular e‑government websites in Pakistan using the System Usability Scale (SUS). Identifies the main user experience issues and proposes design improvements based on empirical testing.

Analyzes usability attributes (awareness, efficiency, comprehension) of privacy‑nudge, notice, policy, and settings across the top 100 visited health websites. Provides usability‑oriented recommendations for health‑sector sites sharing sensitive personal data.