What Makes a Good Website Design? 10 Key Principles
Discover the 10 essential principles of good website design — from visual hierarchy and color contrast to navigation clarity and conversion optimization.
A website that looks pretty but doesn’t convert visitors isn’t actually well-designed. Conversely, a website optimized purely for conversions but with no visual appeal will fail to build trust. Great web design balances both — aesthetics and function working together in service of the user.
Here are 10 foundational principles that define genuinely great website design.
1. Clear Visual Hierarchy
Visual hierarchy guides the visitor’s eye in order of importance. The most critical information should be the most visually prominent — through size, weight, color, contrast, and positioning. Users scan web pages in F-patterns or Z-patterns; design should work with these natural reading patterns, not against them.
2. Consistent Branding
Your website should feel like a natural extension of your brand identity. Consistent use of typography, color palette, tone of voice, and visual style across every page builds recognition and trust. Inconsistency signals an amateurish or untrustworthy brand.
3. Purposeful Color Choices
Color does far more than make a site look attractive — it communicates emotion, guides attention, and creates associations. Each color choice should serve a purpose. Your primary action color (used for CTAs) should be distinct enough to stand out but consistent enough that users learn to associate it with “take action.”
Ensure sufficient color contrast for accessibility (WCAG AA requires a minimum 4.5:1 contrast ratio for body text).
4. Intuitive Navigation
Users should never have to think about how to find what they’re looking for. Navigation should be:
- Predictable — Placed where users expect it (top, left side, hamburger for mobile)
- Labeled clearly — Use plain language, not clever jargon
- Shallow — Users should reach any important page within 2-3 clicks
- Consistent — The same navigation on every page
5. Fast Load Times
Speed is a design element. Slow websites frustrate users and drive them away before they even see your content. Every design decision — image size, animation complexity, number of web fonts — affects performance. A well-designed site is both beautiful and fast.
Aim for a Largest Contentful Paint (LCP) under 2.5 seconds on mobile.
6. Mobile Responsiveness
With over 60% of traffic coming from mobile devices, a non-responsive website is essentially broken for the majority of your visitors. Beyond mere responsiveness, mobile design should be actively thought through — not just a scaled-down version of desktop.
Read our mobile-first design guide for a deeper look at this principle.
7. Scannable Content
Users don’t read websites like books — they scan. Good design accounts for this by using:
- Short paragraphs (2-4 sentences maximum)
- Subheadings that communicate the key point of each section
- Bullet points and numbered lists
- Bold text for critical information
- Generous white space
8. Clear Calls to Action
Every page should have at least one clear call to action (CTA) that tells the user what to do next. CTAs should be visually distinct (contrasting button color), benefit-focused (“Get My Free Quote” beats “Submit”), and strategically placed at decision points.
9. Trustworthy Design
Trust is earned visually before a user reads a word of your content. Trust signals include:
- Professional photography and consistent imagery
- Social proof (testimonials, reviews, logos of clients)
- Security indicators (SSL, trust badges for e-commerce)
- Clear contact information and a physical address
- An “About” page with real team members
10. Accessibility
Designing for accessibility means ensuring your website works for users with visual, hearing, motor, or cognitive disabilities. Basic accessibility includes:
- Keyboard navigability
- Screen reader compatibility
- Sufficient color contrast
- Alt text for images
- Captions for video
Beyond being the right thing to do, accessibility also improves SEO and protects against legal liability.
The Intersection of Beauty and Function
The best websites make these principles invisible — users simply feel comfortable, find what they need, and take action. Good design doesn’t announce itself; it just works.
If you’re evaluating whether your current website meets these standards, our web design team offers free website audits that assess all 10 of these principles across your site.