Website Audit and Optimization

I'm seeking a professional to audit my website, salisa.cd. I need to understand why it's experiencing slow loading times on the homepage, product pages, and checkout process. Additionally, I want to check for any logical vulnerabilities that could potentially trigger an internal DDoS attack.

Key Requirements:
- Identify and resolve slow loading issues
- Check for logical vulnerabilities
- Provide a detailed report of findings

Ideal Skills and Experience:
- Web performance optimization
- Security auditing
- Experience with e-commerce websites
- Strong analytical skills

Please provide a detailed report with your findings and recommendations.