I will fix ecwid sellfy cart bug checkout error payment issue mobile SEO speed


About this gig
HELLO GREAT BUYERS
Are you facing cart errors, checkout failures, or payment issues on your Ecwid or Sellfy store? These problems can kill your sales fast.
I will professionally fix Ecwid bugs, Sellfy cart issues, checkout errors, and payment gateway problems to restore your store performance and boost conversions.
With over 5 years of experience in eCommerce development, I help store owners resolve:
- Cart not updating or stuck
- Checkout page not loading
- Payment failures (Stripe, PayPal, etc.)
- Mobile responsiveness issues
- Slow loading speed affecting SEO
- Broken scripts or plugin conflicts
I also optimize your store for mobile speed, SEO ranking, and better user experience, ensuring your customers can shop smoothly without interruptions.
Why choose me?
Fast delivery & clear communication
Proven experience with Ecwid & Sellfy
SEO and speed optimization expert
100% satisfaction guaranteed
Lets fix your store and start converting visitors into buyers today.
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 selim y
Professional Spotify Banner Designer Music Artist Branding Expert
- FromUnited States
- Member sinceMar 2026
- Avg. response time1 day
Languages
English, French, Spanish, German
FAQ
1. What platforms do you support?
I support Ecwid and Sellfy stores, including checkout, cart, and payment systems.
2. Can you fix payment gateway issues?
Yes, I fix Stripe, PayPal, and other payment gateway errors and failures.
3. Will my store speed improve after your service?
Yes, I optimize mobile and desktop speed for better loading performance and SEO.
4. Do you also fix SEO problems?
Yes, I handle basic on-page SEO and performance optimization to improve rankings.
5. What if my issue is not listed in the gig?
You can message me first. I will review your issue and confirm if I can fix it.
6. How fast can you deliver?
Delivery depends on the package, but most issues are fixed within 1–5 days.

