Conversion Optimisation
Credibility
Plain English
How trustworthy something feels.
Definition
Credibility is the perceived trustworthiness and authority of a product, brand, or glossarySystemA system is a collection of interconnected components that work together to achieve a specific function or outcome.Open glossary term.
In practice
Built through design quality, clear messaging, transparency, and consistent serviceUser ExperienceImprove journeys, reduce friction, and make digital products clearer, simpler, and easier to move through.Open service.
In context
It is damaged by small things. A broken link on a security page or a copyright date three years old undoes more than any badge adds.
The reality
Credibility is fragile and can be lost quickly through poor design, errors, or inconsistent messaging.
Compared with
Credibility vs Trust
Credibility is the perception that you are competent and honest. glossaryTrustUser confidence that a product, service, or organisation will do what it promises.Open glossary term is the willingness to act on it. Credibility is necessary and not sufficient. Plenty of credible organisations still make people hesitate at the payment step.
FAQ
Common questions
A few practical answers to the questions that usually come up around this term.
What is credibility in UX?
It is how trustworthy a product or glossaryServiceA service is a component or function that performs a specific task within a system.Open glossary term appears.
Why is credibility important?
It affects whether users glossaryTrustUser confidence that a product, service, or organisation will do what it promises.Open glossary term and engage with a product.
How do you build credibility?
Through clear design, transparency, and glossaryConsistencyConsistency is the use of uniform patterns, behaviours, and visual elements across a product to create familiarity and predictability. It helps users learn once and apply that knowledge throughout the experience.Open glossary term.
What damages credibility?
Errors, poor design, and unclear messaging.
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