My site is https://www.mysoko.com.ng when you select a product to add to cart it takes 20 mins to add a single product to cart and when you want to delete from the cart it takes forever.
Please how do I address this issue?
What are you specifications for your server?
I don't know but within your provided link i can easily add/remove products without delaying that much time.
Since you're using extension to add/remove products so my advice is to turn that extension off (there should be an option in theme setting, otherwise, turn off theme) to see if default magento or extensions/theme cause problem.