One website that works on every screen
Your customer views your site on a phone, a laptop or something in between. We design mobile-first, so content, buttons and forms stay clear and usable everywhere.
4.9/5 on Google26 reviewsYour customer views your site on a phone, a laptop or something in between. We design mobile-first, so content, buttons and forms stay clear and usable everywhere.
4.9/5 on Google26 reviewsA responsive website keeps its content and character, but adapts hierarchy, spacing, navigation and interaction to the available width.
These services complement this one and help you choose the right approach for your project.
The mobile version is not a by-product. From the start, it determines which content and actions take priority.
Headings, text, proof and CTAs follow an order that stays logical on a small screen too.
Grid, typography and media scale without fixed desktop sizes. Images use appropriate formats and crops.
Menus, forms, tables and horizontal rails are tested with touch and keyboard input at different widths.
A desktop layout can technically fit on a phone and still work badly. Long lines, small buttons, tables and heavy images require careful content, design and technical choices.
We check not only fixed device sizes but also the widths in between. We test important pages visually, use DOM measurements to catch overflow and sizing problems, and test the interactions. That keeps the experience usable as new screen sizes appear.
Digital experiences that feel like the company behind them.

A fast rental site that makes choosing and requesting simple

Our own site as a running case: measured monthly, reported honestly

A premium site for practical AI agents under human control

Guitar lessons in Antwerp: page one for teacher Ben Boeckx

A boxing site with punch for personal trainer Brian, on a small budget

Beautiful and findable on a budget: Astro and custom bookings

A cinematic site for professional content creation and video production

A light portfolio site where prospects find the right video type

A sharp SaaS site that explains social recruitment and leads to a demo

A clear site for heat pumps and air conditioning, DIY to installation

One clear digital story for facility and industrial services
Clear and personal: you always know what is happening, what I need from you and what the next step is.
We discuss your business, your customers, the bottleneck and what the website or workflow needs to achieve.
You get a clear structure and visual direction, with choices I explain in plain language.
I do the build, share work in progress and check the content, speed, technical quality and mobile usability.
After launch I stay available for maintenance, performance tracking, and targeted improvements.

At Straffe Sites you work directly with the team. Seppe stays your dedicated point of contact and builds your website; the team supports him with commerce, code and photography where needed. Communication stays direct, and your questions never get lost between account managers.
Straightforward answers before you decide whether this service fits your business.
It is an approach in which layout, typography, images and interactions adapt to the available screen space without requiring a separate mobile website.
Not quite. Responsive describes the result; a mobile-first approach starts the design and CSS with the smallest practical viewport and expands from there.
Sometimes. First we check whether the HTML and CSS are flexible enough. With a rigid theme, a targeted rebuild can be more efficient.
Yes. Alongside testing at different browser widths, we check key journeys on real devices or realistic emulators.
A fast, usable mobile page helps visitors and contributes to the overall page experience. Strong content that answers their question remains just as important.
Technical terms from this page, explained briefly and linked to the full knowledge base.
a design and development approach that lets one website adapt to viewport size, device capabilities, and input method.
a design and development method that starts with a small viewport and essential functionality, then expands as more space becomes available.
designing and building websites so their content and features are usable by people with visual, auditory, motor, or cognitive disabilities.
three metrics that measure loading performance, interaction responsiveness, and visual stability: LCP, INP, and CLS.
Send us your most important page. We’ll check where the content, navigation or interactions break down on small screens.
Discuss your project