Skip to content

Glossary UX

What Is UX (User Experience)?

Definition

UX (user experience) describes how a person feels while using an entire website: whether they find what they came for, whether they trust the brand, whether the design feels clear, and whether the whole visit leaves a positive impression. It is a broad, human concept, different from specific technical metrics like load time or screen adaptation.

A smooth metal plate on a dark door, with no knob and no handle — beside the title UX
A plate instead of a handle: nothing to work out
On this page 5
  1. UX as the broad umbrella term: how it differs from the three technical articles
  2. UX dimensions the three technical articles don't cover
  3. Proxy metrics instead of a direct ranking signal: the link to bounce rate and dwell time
  4. Best practices
  5. Common mistakes
In brief

UX is the umbrella term for the full experience of using a site: navigation, visual design, trust and how readable the text is. Core Web Vitals, page speed and responsive design are, instead, measurable technical pieces of that experience: speed, visual stability and screen adaptation. This article does not repeat those three, the dedicated articles linked below cover that, it focuses instead on what they don't cover: information architecture, visual clarity, trust signals and text readability, plus why Google does not score UX as a single number but through proxy metrics.

A smooth metal plate on a dark door, with no knob and no handle — beside the title UX
A plate instead of a handle: nothing to work out

UX as the broad umbrella term: how it differs from the three technical articles

UX is short for "user experience". The term covers everything a person perceives, thinks and feels while using a digital product: from the first glance at a page to the moment they find, or fail to find, what they came looking for. It is a human, subjective concept, even though it can be observed and improved with method.

The term has a specific origin. In the early 1990s, cognitive scientist Don Norman worked at Apple with the job title "User Experience Architect", the first job title in history to use that phrase, though the abbreviation "UX" did not exist yet. From there the term spread across the entire digital industry to describe something bigger than the design of one screen: a person's complete experience with a product or service.

This is where it helps to separate the terms. Core Web Vitals, page speed and responsive design are technical, measurable building blocks within UX, not synonyms for it. Core Web Vitals measures load speed, responsiveness and visual stability with concrete numbers. Page speed is the broader term for load speed, of which Core Web Vitals is only the part Google turned into a measurable ranking factor. Responsive design is the development technique that adapts the same HTML to any screen size through CSS. All three describe technical aspects an automated tool can check.

UX, on the other hand, cannot be fully measured by an automated tool because it includes human judgment: whether a menu makes sense, whether the text builds trust, whether the user understands where they are and what they can do next. A page can pass all three technical articles linked above, load fast, avoid layout shifts and look good on a phone, and still have poor UX if its menu is confusing, its content is badly written, or it fails to build any trust with the visitor.

UX dimensions the three technical articles don't cover

Outside speed and screen adaptation sits a large part of what actually decides whether a visit feels pleasant or frustrating. Five aspects usually fall outside any purely technical analysis.

Information architecture and navigation come first. This covers how a site's content is organized: whether the menu groups categories logically, whether a search bar exists when the catalog justifies one, whether breadcrumbs help the user know where they are and how to get back. A site with excellent content but poor structure forces the visitor to work harder to find what they need, and that extra effort is exactly what UX tries to remove.

Visual clarity comes second. This includes contrast between text and background, using whitespace to separate content blocks, a typographic hierarchy that distinguishes headings from body text, and a consistent color palette across the site. None of the three technical metrics mentioned above catch whether a purchase button visually blends into the rest of the page, even if it loads in 0.3 seconds.

Trust signals come third. A visible legal notice, real contact details, a clear privacy policy, verifiable reviews and, where relevant, information about who wrote the content. These signals overlap with what Google calls E-E-A-T, and they directly affect whether a visitor completes a purchase or leaves the page out of distrust, something no speed metric can detect.

Text readability comes fourth. Short sentences, paragraphs that don't overwhelm the eye, language free of unnecessary jargon, and headings that accurately summarize each section's content. Technical, poorly structured or literally translated text can drive a reader away even when the page it sits on is technically fast and responsive.

Interaction feedback comes fifth. This covers what happens once someone actually acts on a page: fills out a form, submits an order, clicks a button. Does an error message explain what went wrong and how to fix it, does a loading state show the system is working instead of leaving the screen looking frozen, does a confirmation step tell the user their action went through. A checkout form that rejects a card number without saying why loses the sale, no matter how fast the page loaded to get there.

Best practices

  • Organize the main menu around user search intent, not the company's internal structure, and limit it to genuinely relevant categories.
  • Use breadcrumbs and a visible search bar once a site covers more than about twenty pages or products.
  • Keep sufficient text contrast and a clear visual hierarchy between headings, subheadings and body text.
  • Show the legal notice, contact details and privacy policy clearly, not hidden behind a tiny link in the footer.
  • Write with short sentences and brief paragraphs, and read the text out loud to catch phrasing that sounds forced.
  • Test navigation with someone outside the project before shipping a major design change; whoever built the site stops seeing their own blind spots.

Common mistakes

  • Confusing UX with visual design (UI) and spending the whole budget on making the site "look good" without testing whether it's actually easy to use.
  • Assuming passing Core Web Vitals automatically means good UX, when those metrics evaluate neither navigation, trust nor readability.
  • Copying a competitor's menu structure without checking whether it fits your own catalog or content.
  • Hiding contact details or the legal notice to visually declutter the footer, which lowers visitor trust.
  • Writing content meant to impress an algorithm, with forced keyword density, instead of answering the reader's actual question.
  • Redesigning an entire site at once without measuring the impact on bounce rate or dwell time before and after the change.
Manuel Riveiro Rodriguez CEO & Digital Strategist

A technical audit covers this and everything else in one pass.

Request an audit

Frequently asked

Is UX a direct Google ranking factor?

Not as a single score. Google measures concrete technical aspects, mainly Core Web Vitals, which act as a proxy for part of the experience, but there is no algorithm that evaluates a page's full UX and assigns it a number.

What's the difference between UX and Core Web Vitals?

UX is the broad concept: how a person feels using an entire site, navigation, trust, design and content included. Core Web Vitals is a set of three technical, measurable metrics, speed, stability and responsiveness, that cover only part of that experience.

Are UX and UI the same thing?

No. UI (user interface) is the concrete visual design: colors, buttons, typography. UX is broader, it includes UI, but also navigation, information architecture, interaction feedback and the trust the site conveys as a whole. A site can have a polished UI and still deliver poor UX if the checkout form fails silently or the menu buries what people are looking for.

Does better UX actually help SEO?

Indirectly, yes. Better UX tends to lower bounce rate and raise dwell time, behavioral signals that benefit the business and that over time correlate with sites that hold their position, even though Google doesn't confirm using bounce rate or dwell time directly as a ranking factor.

What tools measure UX?

No single tool measures it completely. Google Analytics provides behavioral data like bounce rate or pages per session, heatmaps show where users click, and usability tests with real people remain the most reliable way to catch navigation or trust problems no automated tool sees.