Mobile optimisation for your Shopify webshop

In 2026, mobile optimisation for e-commerce is no longer a luxury — it is a matter of survival. With 75% of retail website traffic in Belgium and the Netherlands coming from mobile devices, and more than 66% of all e-commerce purchases expected to take place via mobile devices by 2028, your online success stands or falls with a strong mobile strategy.

Belgian consumers spent €16.3 billion on online purchases in 2023 (11% growth), while Dutch consumers spent €17.5 billion on online retail in the first half of 2024 alone. This growth is driven by mobile devices.

This article provides a complete guide to optimising your webshop for mobile devices. You will learn how to increase your mobile conversion rate, why responsive design is crucial for SEO, and which concrete steps you can take today to stay ahead of your competitors with a mobile-friendly webshop.

Why mobile optimisation is critical in 2026

The figures do not lie

The mobile revolution is no longer a future prospect. Recent figures show that Dutch consumers spent €17.5 billion on online retail in the first half of 2024 alone, an increase of 6% compared to 2023. The vast majority of this came via mobile devices.

“Mobile commerce is becoming the standard, not the exception. Businesses that do not optimise their mobile experience are not just losing sales but losing customers for ever.”

— Tim Cook, CEO Apple

This trend is not unique to the Benelux. Worldwide, e-commerce already represents 20.1% of all retail sales in 2024, with a forecast of 22.6% by 2027.

The mobile-first reality

Google’s mobile-first indexing means that search engines primarily assess your mobile site for rankings. Just as with SEO for e-commerce, websites that are not optimised for mobile use are destined to drop in search results and lose organic traffic.

“Another element that plays a role in this complex story of mobile, desktop and AMP, is that for the Page Experience score — meaning the Core Web Vitals where we measure speed, stability and usability — we always test the version that users ultimately see.”

— John Mueller, Webmaster Trends Analyst at Google

Conversion differences between desktop and mobile

Although mobile devices account for most traffic, a conversion gap persists. Smartphones achieve an average conversion rate of 2.3%, while desktop devices reach 3.9%. This gap offers enormous opportunities for businesses that optimise their mobile experience.

The challenges of mobile e-commerce

Technical obstacles

Load speed: Mobile users have less patience than desktop users. A delay of just one second can reduce your conversion rate by 7%. This is why conversion optimisation is so critical for mobile e-commerce.

Screen size: Complex navigation and small buttons cause frustration. 36% of mobile users find it difficult to find what they are looking for. This is why it is essential to implement structured data for better findability.

Checkout process: The cart abandonment rate on mobile devices is around 85% — almost twice as high as on desktop. A streamlined checkout process is therefore crucial for CRO in 2026.

User behaviour

Mobile shoppers have different expectations than desktop users. They want:

• Quick access to product information
• Simple navigation with large, tappable elements
• Fast, secure payment methods
• Effortless return procedures

“E-commerce sites that take longer than 3 seconds to load lose 53% of their mobile visitors before the page has fully loaded”

— Daniel An, Director of Mobile at Google

Concrete steps for mobile optimisation

1. Implement responsive design

Your website must automatically adapt to every screen size. This goes beyond simply shrinking elements:

• Flexible layouts: Use CSS Grid and Flexbox for adaptive layouts
• Responsive images: Implement srcset for optimal image quality per device
• Touch-friendly elements: Buttons must be at least 44px large for easy interaction

2. Optimise speed

Core Web Vitals are crucial for both SEO and user experience. These metrics are becoming increasingly important for local SEO in Belgium:

• Largest Contentful Paint (LCP): Must stay below 2.5 seconds
• First Input Delay (FID): Maximum 100 milliseconds
• Cumulative Layout Shift (CLS): Below 0.1 for stable layouts

Practical optimisations:

• Compress images with modern formats such as WebP
• Implement lazy loading for below-the-fold images
• Use a Content Delivery Network (CDN) for faster load times
• Minimise CSS and JavaScript

3. Improve user experience

Simplified navigation:

• Use hamburger menus for complex navigation
• Implement search functionality with autocomplete
• Make categories clearly visible
• Consider voice search optimisation for hands-free navigation

Optimising product pages:

• Use high-quality product images with zoom functionality
• Implement 360-degree product view where possible
• Make reviews and ratings prominently visible

4. Streamline the checkout process

Enable guest checkout: Do not force customers to create an account for their first purchase. This is an important best practice from performance marketing.

Integrate mobile payment methods:

• Apple Pay, Google Pay, Samsung Pay
• Klarna, Afterpay for buy-now-pay-later options
• Local payment methods such as Bancontact for Belgium and iDEAL for the Netherlands
• Digital wallets popular in the Benelux

Optimise forms:

• Use autofill for address data
• Implement inline validation for direct feedback
• Minimise the number of input fields

Advanced mobile strategies

Progressive Web Apps (PWAs)

PWAs combine the best of websites and mobile apps. They are particularly powerful for Shopify webshops:

• Offline functionality: Customers can browse without an internet connection
• Push notifications: Direct communication with customers
• App-like experience: Without the need to download

Integrating Voice Commerce

With nearly 60% of virtual assistant owners using voice commands for purchases, voice commerce is becoming increasingly important:

• Optimise product descriptions for voice search keywords
• Implement voice search on your mobile site
• Make products findable via long-tail keywords

AI-driven personalisation

Implementing AI personalisation:

• Dynamic product recommendations based on browsing behaviour
• Personalised pricing strategies
• Intelligent search results
• Chatbots for real-time customer service

For more insight into AI applications, see our article on AI marketing strategies for 2026.

“The average mobile conversion rate is still 64% lower than desktop, but the gap is narrowing each year through better mobile optimisation”

— Tim Cook, CEO Apple

The future of mobile e-commerce

Emerging Technologies

Augmented Reality (AR): Customers can virtually “try out” products before purchasing. This increases confidence and reduces returns.

5G connectivity: Faster internet connections enable richer mobile experiences, such as high-definition product videos and real-time AR. This opens up new possibilities for LinkedIn marketing and B2B presentations.

Blockchain payments: Cryptocurrencies and blockchain-based payments offer new possibilities for international trade.

Social commerce

Platforms such as Instagram and TikTok are becoming increasingly important as sales channels. Social commerce is expected to grow to $8.5 trillion by 2030. This forms part of the broader trend towards AI agents in autonomous marketing.

“Mobile commerce is growing at 15% year-on-year, but conversion rates remain 50% lower than desktop — this is where the biggest opportunities lie”

— Stacy Martinet, VP Digital Commerce at Adobe

Measuring and optimising

Key KPIs

Conversion rate per device: Compare performance between smartphone, tablet and desktop.

Average order value (AOV): Mobile orders are often smaller but more frequent.

Bounce rate: High bounce rates indicate UX problems.

Page speed: Use Google PageSpeed Insights for concrete recommendations.

A/B Testing

Test different elements regularly:

• Different checkout flows
• Product page layouts
• Call-to-action buttons
• Navigation structures

Conclusion

Mobile optimisation is the foundation of every successful e-commerce strategy in 2026. With 75% of retail traffic via mobile devices and a cart abandonment rate of 85% on mobile, there is enormous potential for businesses that optimise their mobile experience.

The key to success lies in combining technical excellence (speed, responsive design, Core Web Vitals) with an outstanding user experience (simple navigation, streamlined checkout, mobile payment methods).

Businesses that invest in mobile optimisation now are laying the foundation for sustainable growth. Whether you start with basic optimisations such as responsive design and speed improvements, or immediately focus on advanced technologies such as AI personalisation and PWAs — every step towards a better mobile experience translates directly into higher conversions and more revenue.

The future of e-commerce is mobile. Businesses that accept this and act accordingly will be tomorrow’s winners. For strategic support with your mobile optimisation, see our online marketing services and AI for growth solutions.

Want to take your mobile e-commerce to the next level? Discover our Shopify e-commerce services or plan a strategy conversation to discuss your growth opportunities.