I will modernize your outdated legacy website and improve its performance


About this gig
Is your outdated site slow, difficult to maintain, or incompatible with modern devices?
I will modernize your legacy site by improving its appearance, usability, responsiveness, performance, and technical structure while preserving important content and functionality where possible.
What I offer:
Legacy site modernization
Responsive design improvements
Mobile compatibility
Front end updates
HTML, CSS & JavaScript improvements
Code cleanup and refactoring
Page speed improvements
Navigation and usability improvements
Bug and layout fixes
Migration support
Modern feature integration
What you'll get:
A cleaner, modern interface
Better mobile responsiveness
Improved usability
Cleaner structure and code
Better performance
Easier maintenance
Preserved content where possible
Whether you have an old business site, outdated custom platform, or legacy codebase, I can help bring it up to modern standards.
Send me your project details and ORDER NOW to get started.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Dunsin
Legacy Website Modernization Specialist
- FromUnited States
- Member sinceSep 2026
Languages
English, Spanish, French, German, Italian, Japanese, Russian
FAQ
Can you modernize my existing website without rebuilding it?
Yes. I can upgrade the existing website where the current structure allows it.
Can you make an old website mobile responsive?
Yes. I can improve the layout for phones, tablets and desktops.
Can you work with old HTML, CSS and PHP?
Yes, depending on the existing code and project requirements.
Will my existing content remain?
Yes. Important content and functionality can be preserved where compatible.
Can you improve website speed?
Yes. I can address common front-end and structural performance issues.
