How ecommerce works
An online shop looks like one website but behaves like four connected systems. A catalogue holds every product with its price, stock level, images and attributes. A storefront turns that catalogue into pages people can browse, search and filter. A checkout collects the order and takes the money. Fulfilment then picks, packs, delivers and handles whatever comes back as a return.
Marketing sits in front of all four and inherits their limits. An ad can push demand at a product page, but if the stock figure is stale the order fails, and if the payment method a buyer expects is missing the sale dies at the last step. In Nepal that final point matters more than most guides admit, because cash on delivery still carries a large share of orders and card acceptance is uneven outside the main cities.
Why ecommerce matters
Ecommerce is the one channel where the whole journey is recorded. You can see which search term, ad or email brought someone in, which products they looked at, where they stopped and what they eventually spent. That record is what lets a campaign be judged on revenue instead of clicks, and it is why arguments about ecommerce marketing can be settled with evidence rather than opinion.
It also changes the unit you are optimising. A lead generation site is trying to produce enquiries. A shop is trying to produce profitable orders, and the two are not the same job. A discount that lifts order volume while eating the gross margin on every unit is a loss wearing the clothes of growth.
Common mistakes with ecommerce
The first is treating the platform choice as the strategy. Every mainstream platform can take an order. What actually separates shops is the quality of the product data, how quickly pages load on a mid-range phone, and how few steps stand between wanting the item and paying for it.
The second is buying traffic before the shop can convert it. Thin product descriptions, delivery costs revealed only at the last step and a forced account registration all leak buyers quietly. Paid traffic does not fix a leak; it makes it more expensive.
The third is trusting only what the ad platforms report. Each ad account counts its own contribution generously, and the totals across platforms will exceed the orders you actually received. The shop’s own order records are the version you can bank.
How to act on it
Fix the order data before anything else, so purchases, revenue and refunds all reach analytics and reconcile with the back office. Without that, every later decision is guesswork. Then work on the step where the largest share of buyers is lost, which is usually somewhere between adding to the cart and completing payment rather than at the top of the funnel.
After that, split the work by intent. Buyers who already know what they want should be able to find you through ecommerce SEO and shopping listings. People who have never heard of you need discovery channels and a reason to risk a first order. Check margin, not just revenue, before scaling any of it.