Website Bug Fixing & Design Improvements (Responsive + SEO Friendly)

I'm looking for a reliable and experienced developer to help fix some bugs on my existing website and potentially revamp the design to make it more modern, responsive, and user-friendly.

Tasks Include:
Fix layout issues on desktop and mobile
Resolve broken links, forms, or scripts
Improve page load speed and performance
Clean up HTML/CSS/JS as needed
Enhance design/UI for better UX (optional but preferred)
Ensure responsiveness across devices
Basic SEO best practices (e.g., proper headings, alt tags, etc.)

Requirements:
Strong frontend experience (HTML, CSS, JavaScript)
Familiar with WordPress, Shopify, or custom CMS (let me know what you specialize in)
Good eye for design and UI tweaks
Experience debugging and optimizing websites
Ability to start soon and deliver on time

Budget:
$100 – $300 (fixed price) depending on the scope we finalize

Please share:

Your portfolio or similar projects you've worked on

Your estimated timeline
What platform/CMS you're most comfortable with