E-commerce (short for electronic commerce, also called online retail) refers to the electronic trade in goods and services over the internet, from your own online shop through marketplaces to sales directly within social networks. E-commerce enables companies to make their products accessible to a global audience and serve customers at any time, regardless of location.
The most important e-commerce business models
| Model | Meaning | Example |
|---|---|---|
| B2C | Business-to-consumer: a company sells to private individuals | The classic online shop |
| B2B | Business-to-business: a company sells to other companies | A wholesale portal with tiered pricing |
| C2C | Consumer-to-consumer: private individuals sell to private individuals | A second-hand marketplace |
| D2C | Direct-to-consumer: a manufacturer sells directly without intermediaries | A brand’s online shop without retail partners |
The choice of business model largely determines which functions a shop system must bring – a B2B portal with individual tiered prices and approval processes has different requirements than a simple B2C shop.
The major shop systems at a glance
| Shop system | Type | Particularly suited to |
|---|---|---|
| WooCommerce | WordPress plugin, open source | Existing WordPress sites, high flexibility on a manageable budget |
| Shopify | SaaS/cloud | A fast start without your own hosting |
| Shopware | Open source (enterprise options) | Mid-market with more complex B2B requirements in the DACH region |
WooCommerce as a shop solution in detail
As one of the two systems we work with most at aceArt, WooCommerce deserves a closer look: it builds on WordPress and turns an existing or new WordPress website into a fully-fledged online shop with just a few steps, including payment integration, shipping options and the huge plugin ecosystem WordPress brings anyway as a content management system. Especially when content marketing and shop are meant to interlock closely, that’s a major advantage over pure shop platforms. More on our WooCommerce agency page, and for an overview of all shop systems we work with, visit our online shop agency page.
Legal requirements in German e-commerce
Online shops in Germany are subject to numerous legal obligations:
- Legal notice requirement: complete provider identification under Section 5 TMG/DDG.
- Right of withdrawal: correct withdrawal instructions including a model withdrawal form for consumers.
- The button solution: the order button must be unambiguously labelled “order with obligation to pay” (or equivalent).
- Data protection: a GDPR-compliant privacy policy and effective cookie consent management.
- Price Indication Ordinance: correct unit prices, shipping costs transparently displayed.
- Packaging Act: registration in the LUCID register as soon as packaged goods are shipped.
These requirements apply regardless of the chosen shop system and should be considered from the technical concept phase onwards.
The 2026 trend: AI personalisation and social commerce
Three developments currently shape e-commerce particularly strongly: AI personalisation individualises product recommendations, price displays and even customer service replies in real time and has become part of the standard repertoire in DACH retail rather than the exception. Social commerce shifts the purchase directly into social networks such as Instagram Shopping or TikTok Shop, bypassing your own website. And in conversational commerce, AI chatbots increasingly handle advice and checkout in dialogue. For most companies, the entry that pays off is the combination with the biggest lever at manageable effort, say, first AI-supported product recommendations in your own shop, instead of implementing every trend at once.
E-commerce and SEO
For online shops, SEO is one of the most plannable and cost-efficient acquisition channels, but also one of the most technically demanding:
- Product SEO: unique product descriptions not copied from manufacturer data rank considerably better than generic boilerplate.
- Duplicate content: product variants (colour, size) frequently generate several URLs for the same content unintentionally – a classic among the duplicate content pitfalls that must be avoided via canonical URLs.
- Structured data: Schema.org markup for products (price, availability, reviews) enables richer search results with a higher click-through rate.
- Performance: shops with many product images are particularly prone to poor Core Web Vitals – image optimisation and lazy loading are mandatory here, not a nice-to-have.
More on this in our SEO services.
What to look for when choosing an e-commerce platform
- Catalogue size and complexity: a few products, or thousands of variants with individual price tiers?
- The existing system landscape: does a WordPress site already exist that WooCommerce could extend?
- Internationalisation: are multiple languages, currencies or tax rates needed?
- Interfaces: connection to inventory management, shipping providers and payment providers?
- Scalability: does the platform grow with rising order and product volumes?
Conclusion
For most companies, e-commerce is no longer an optional side business but a central sales channel, with high potential but also legal and technical requirements that must be considered from the start. Which shop system, which business model and which trends are relevant for your company is something we can work out together as part of our online shop development or in a free first conversation.