WooCommerce – because it integrates into WordPress – comes with a lot of strong SEO features built right in. WordPress will give you feedback on your SEO right in pages and posts. This makes it easy to visually judge if your SEO on any given page or post is strong and also takes the pressure and thinking out of SEO. For SEO, it is certainly one of the best ecommerce platforms out there.
Ecommerce allows consumers to electronically exchange goods and services with no barriers of time or distance. Electronic commerce has expanded rapidly over the past five years and is predicted to continue at this rate, or even accelerate. In the near future the boundaries between "conventional" and "electronic" commerce will become increasingly blurred as more and more businesses move sections of their operations onto the Internet.
Site123’s pricing model is simple: you can get started for free, with 500MB of storage, 1GB of bandwidth per month, as long as you don’t need to use your own domain name (free sites are hosted on Site123 subdomains). However, you won’t be able to engage in eCommerce until you upgrade to the Premium plan. For $9.80 per month, a free domain is included for one year, you’re provided with an ample 10GB of storage and 5GB of bandwidth, Site123 branding is removed and you can sell as many items as you wish.
You can use an off-the-shelf eCommerce solution like Shopify, which makes building an online store a quick and easy process. However, it will also mean less customization, as you will need to choose from an existing pool of themes and tools provided by the platform. If you opt to run a dropshipping business, eCommerce solutions like Oberlo will allow you to get the store off the ground and start selling in as little as few hours.
The only downside in all this is that you somehow need to get your hands on a WordPress site in the first place. And okay, I know this is not particularly a problem for you maybe, but we have to remember that WordPress can be quite confusing to a beginner, and the need to first set up a WordPress site and only then a WooCommerce store is far from intuitive.
Electronic transactions have been around for quite some time in the form of Electronic Data Interchange or EDI. EDI requires each supplier and customer to set up a dedicated data link (between them), where ecommerce provides a cost-effective method for companies to set up multiple, ad-hoc links. Electronic commerce has also led to the development of electronic marketplaces where suppliers and potential customers are brought together to conduct mutually beneficial trade.
Shopify may come second when we look at the overall volume of SEO features available, but there's certainly no shame in the way that it presents content. It also handles basic SEO practices like meta information and site copy with ease. So long as your business is producing quality content, there's no reason to suggest you won't enjoy great results and strong user engagement.
SuiteCommerce enables B2B and B2C merchants to rapidly create unique, personalized, and compelling branded shopping experiences across multiple channels. Differentiate your brand and exceed customer expectations, whether it is through mobile, online, or in-person, and empower your sales associates to provide engaging customer acquisition and retention experiences by utilizing a single source of item, inventory, customer and order data to feed your customer-facing systems. SuiteCommerce's integrated cloud-based nature unifies business applications and provides a central repository for order management and customer details, item and inventory data, creates seamless, omni-channel, brand experiences, and streamlines your business for continuous growth.
E-commerce technologies cut transaction costs by allowing both manufactures and consumers to skip through the intermediaries. This is achieved through by extending the search area best price deals and by group purchase. The success of e-commerce in urban and regional levels depend on how the local firms and consumers have adopted to e-commerce. 
One important thing to point out is to not get overly excited with WooCommerce’s seemingly attractive pricing too much. While, yes, the platform itself is free, and all the components needed to make it operational (including PayPal payments, etc.) are free, you might need a number of paid extensions to get some helpful additional features. This will grow your bill.