Mobile optimisation, also known as mobile capability or mobile compatibility, is an indispensable element in today's digital landscape. It refers to the customisation of websites and applications to ensure a seamless and user-friendly experience on mobile devices such as smartphones and tablets. This practice is not only crucial for an improved user experience, but also plays an important role in search engine optimisation (SEO), as search engines, especially Google, prefer websites that are mobile-optimised.

A key element of mobile optimisation is responsive design. This means that the layout and content of a website automatically adapts to the size of the screen on which it is displayed. A responsive design ensures that text remains legible, images are scaled correctly and navigation bars remain intuitive to use, regardless of the device.

In addition to design, loading times also play an important role. Mobile users expect fast loading times, and websites that take too long to load risk losing visitors. Optimisations such as compressing images, minimising code and using content delivery networks (CDNs) can significantly reduce loading times.

User-friendliness, often referred to as user experience (UX), is also crucial. A mobile-friendly website should offer easy navigation, contain clearly visible call-to-action elements and offer forms that are easy to complete on mobile devices. Consideration of factors such as thumb navigation - i.e. the accessibility of all important elements of the screen with the thumb - is also important.

Mobile optimisation also extends to the content. Short, concise text that is easy to scan improves readability on smaller screens. The use of keywords and meta tags that are specifically relevant for mobile users can also increase visibility in search engines.

In summary, mobile optimisation is not only crucial for a positive user experience, but also has a significant impact on visibility and search engine rankings. In a world where more and more people are accessing the internet via mobile devices, it is essential for companies and website operators to consider this aspect in their digital strategies.