Page load times averaged 6 seconds, causing high bounce rates.

Reduced average load time to 2.3 seconds, decreasing bounce rate by 27%.

Database queries were unindexed, leading to slow report generation.

Implemented indexing and query caching, cutting report generation time from 45 seconds to 8 seconds.

Server CPU usage spiked to 90% during peak traffic.

Refactored critical services and introduced load balancing, maintaining CPU below 55%.

Front‑end bundle size exceeded 3 MB, affecting mobile users.

Implemented code‑splitting and tree‑shaking, shrinking bundle to 1.1 MB.

Application response times varied widely across environments.

Standardized environment configurations and added health checks, achieving consistent <200 ms responses.