Expert Review based on DIN ISO 9241: When two trained eyes see more than a thousand clicks

Why this matters

Delivers in-depth analysis without extensive user tests

Norm-based evaluation – not subjective, but methodical

Uncovers problems invisible in analytics

Creates a reliable basis for decision-making on optimisation

Comparable with recognised best practices

Expert reviews provide valuable first insights

Not every UX question can be answered with a user test. Sometimes a systematic analysis by experienced specialists is needed first – to understand where problems lie and why they arise.

Two certified usability experts analyse your application against recognised dialogue and interaction principles based on DIN EN ISO 9241-110/11.

01

Task suitability

Does the system support users' tasks?

02

Self-descriptiveness

Is it always clear where you are and what you can do?

03

Controllability

Do users have control over the system?

04

Conformity with user expectations

Does the system behave as expected?

05

Error tolerance

How well are errors intercepted?

06

Customisability

Can the system be adapted to user needs?

07

User engagement

Does the system encourage continued use?

Typical statements
before the project

What you get

Review documentation with usability violations and rationale
Assessment by severity and relevance
Initial recommendations per problem area
Prioritisation based on the results workshop