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

Y
yusufolamile816
Y
yusufolamile816
selim y

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

selim y

Ecommerce Website Specialist WooCommerce and Store Troubleshooting

  • FromUnited States
  • Member sinceMar 2026
  • Avg. response time2 hours
  • Languages

    English, French, Spanish, German
I’m an Ecommerce Website Specialist helping online store owners fix website issues, improve checkout experiences, and optimize store performance. I specialize in WooCommerce, Ecwid, Sellfy, payment gateway errors, checkout problems, shipping calculations, mobile responsiveness, SEO, and website speed optimization. I focus on finding the root cause and providing practical solutions that improve user experience, store performance, and conversions. Let’s get your store working smoothly and professionally.