Next.js UI/UX Performance Review

I’d like a critical, practical assessment of my public Next.js repo:
https://bitbucket.org/devtalentscout/galaxybet/src/main/

Clone it, spin it up locally and dig into both the visual experience and the under-the-hood performance. I’m interested in clear, actionable recommendations that I can act on right away—anything from tweaks to the navigation flow, layout polish, bundle-size reductions, to code-level optimisations such as better image handling, dynamic imports, or React performance patterns. Feel free to run Lighthouse, Web Vitals, or any profiling tools you prefer; just be sure to include the metrics so I can reproduce the results.

Deliverables (all in a single document or folder):
• A concise report outlining each issue you find, why it matters, and a concrete fix or improvement path.
• Screenshots, metrics tables, or short code snippets that illustrate the problem and your proposed solution.
• A quick priority tag (High / Medium / Nice-to-have) on every recommendation so I can plan the rollout.

If your submission aligns with my vision, I’ll purchase the gig immediately and we can discuss any further implementation work.