HMI is not a web page

Although modern human-machine interfaces (HMIs) are often developed using web technologies and displayed in web browsers, the design of HMIs should not be equated with the design of standard websites. The design of an HMI follows entirely different principles, as operators use these interfaces to monitor and control machines involved in production, where operational errors can have serious consequences, such as accidents resulting in injury, environmental damage, equipment damage, compromised product quality, production downtime, and more.

On a typical website, the primary goal is to engage visitors with content and maintain their attention. In contrast, the main objective of an HMI is to focus the operator's attention solely on critical elements and relevant information necessary for system operation.

Unlike web pages, where aesthetics often take precedence, HMI design must prioritize safety, reliability, and functionality. HMI needs to be efficient, intuitive, and easy to use, ensuring that operators can perform tasks effectively, even under pressure.

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