Website Redesign for FASTHOSTS Compatibility

I need an existing website, originally designed by DOTGO, to be redesigned for compatibility with FASTHOSTS. The current transfer to FASTHOSTS has been obstructed by DOTGO, impacting the site's navigation, mobile responsiveness, and overall functionalities.

Key Requirements:
- Resolve compatibility errors with FASTHOSTS.
- Improve user experience by enhancing navigation, mobile responsiveness, and functionalities.
- Ensure the site meets FASTHOSTS acceptability standards.

Ideal Skills and Experience:
- Strong background in web development and redesign.
- Experience with FASTHOSTS and resolving compatibility issues.
- Expertise in UX/UI design focusing on navigation and mobile responsiveness.
- Ability to work collaboratively and manage potential conflicts with previous designers.