Website Functionality and Performance Fix -- 2

My website is currently experiencing functionality and performance issues that need to be addressed. The site is built on WordPress.

Key Requirements:
- Fix JavaScript and CSS loading issues

Performance improvements needed:
- Reduce slow loading time
- Decrease high bounce rate
- Minimize frequent server errors

Ideal Skills and Experience:
- Proficiency in WordPress & WooCommerce
- Using Enfold theme, most ideal if you know this theme
- Strong troubleshooting skills
- Experience with speed optimization
- Familiarity with analytics to understand bounce rates
- Knowledge of server management to reduce errors

Please provide examples of similar work done and estimated time to complete.