Website Performance Optimization

I need an expert to enhance my website's performance, specifically to improve page load speed and Core Web Vitals.

The key focus areas are:
- Minifying JavaScript files
- Removing unused JavaScript
- Deferring JavaScript loading

Ideal Skills and Experience:
- Proven experience with website optimization
- Strong knowledge of JavaScript and optimization techniques
- Familiarity with Core Web Vitals and performance metrics
- No specific frameworks or libraries are being used, so a general JavaScript proficiency is sufficient

Looking for a freelancer who can deliver measurable improvements. Please share your previous work examples and relevant experience.