Web design glossary
Understanding web design terms helps you build, manage, and optimize websites. Whether you're a business owner, designer, or just curious, this glossary covers key concepts in web design, UI, and AI-powered site creation.
Explore the terms below to learn more about website performance, accessibility, and user experience.
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A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
0-9
- 401 unauthorized error
- 301 redirect
- 302 found
- 400 bad request
- 405 method not allowed
- 403 forbidden
- 408 error
- 404 error
- 429 too many requests
- 4o image generation
- 431 request header fields too large
- 501 not implemented error
- 500 internal server error
- 502 bad gateway
- 504 gateway timeout
- 521 Cloudflare error
- 522 connection timed out
- 522 error
- 503 service unavailable
A
- A/B testing
- Above the fold
- Above-the-fold content
- Accessibility overlays
- Abandoned cart recovery
- Accessibility testing tools
- Accessibility
- Accessibility standards
- Accordion menu
- Accessible forms
- Adaptive design
- AI chatbot
- AI-generated content
- AI personalization
- AJAX (Asynchronous JavaScript and XML)
- AI tools
- AI website builder
- Algorithm
- Alt tag
- Alt text
- Anchor tag
- Analogous colors
- API integrations
- Anchor text
- Aspect ratio
- API rate limiting
- API
- ATAG (Authoring tool accessibility guidelines)
- Atomic design
- Artificial intelligence (AI)
- Audience demographics
- Automated web design
- Automation
- ALPN (Application-Layer Protocol Negotiation)
B
C
- Caching strategies
- CAPTCHA
- Carousel
- Chatbot
- Certificate authority
- Call to action (CTA)
- Certificate revocation
- Clickjacking
- Closed captions
- Click-through rate
- CLS (Cumulative layout shift)
- Content management system (CMS)
- Code editor
- Collection item
- Cognitive load
- Code snippets
- Collapsible menu
- Color accessibility
- Cloud hosting
- Column grid
- Component libraries
- Content scheduling
- Content audit
- Content hierarchy
- Contrast ratio
- Color theory
- Conversion funnel analysis
- Conversion rate optimization
- Crawl budget
- Conversion funnel
- Cross-browser testing
- Cookie
- CSS frameworks
- CSS filters
- CSS grid
- CSS preprocessor
- CSS transitions
- CSS (Cascading style sheets)
- CTA testing
- Custom domain
- Customer reviews
- CSS variables
- Customer journey mapping
- Color psychology
D
- Dark mode design
- Data-driven design
- Data layer
- Data modeling
- Data privacy
- Data security
- Data training
- Database management
- Dedicated hosting
- Data visualization
- Deployment
- Design system
- Design iteration
- DNS management
- Diffusion models
- Design tokens
- DOM manipulation
- Domain expiration
- Domain privacy
- Domain forwarding
- Domain name
- Drag and drop user interface
- Domain registrar
- DPI (Dots per inch)
- Domain
- Dynamic pricing
- Dynamic theming
- Dynamic transfer
- Dropdown menu
- DNS (Domain name system)
- DNS propagation
E
- E-commerce
- ERR_CACHE_MISS error
- ERR_CONNECTION_REFUSED
- Encryption
- ERR_CONNECTION_RESET
- ERR_QUIC_PROTOCOL_ERROR
- ERR_SPDY_PROTOCOL_ERROR
- Event tracking
- ERR_NAME_NOT_RESOLVED
- Error handling
- Exit intent popup
- Ethical AI in web design
- External link
- Exit rate
- ERR_TOO_MANY_REDIRECTS error
- Embed code
- ERR_CONNECTION_CLOSED
- ERR_CONNECTION_TIMED_OUT error
F
G
H
- Hamburger menu
- Haptic feedback
- Header
- Heatmap analysis
- Header bidding
- Heatmaps
- Hex color codes
- Headless CMS
- Homepage
- Heuristic evaluation
- Hosting control panel
- Hosting
- Hover effects
- Hover state
- HTML
- HSTS (HTTP Strict Transport Security)
- HTML semantic tags
- HTML5 (Hypertext markup language 5)
- HTTPS (Hypertext transfer protocol secure)
- Hyperlink
- Hero section
I
J
L
M
- Managed hosting
- Machine learning (ML)
- Managed SSL
- Margins
- Media query
- Media queries
- Meta title
- Meta tags
- Meta description
- Microcopy
- Micro-interactions
- Minimalist web design
- Mega menu
- Mobile-first design
- Mobile-first design
- Mobile usability
- Mockup
- Monochromatic scheme
- Multimodal AI
- Modal window
- Motion UI
- Microinteractions
- Multimodal design
- Multilingual site SEO
N
P
- Padding
- Page speed optimization
- Pagination
- Parallax scrolling
- Parked domain
- Password protection
- Payment gateway
- Placeholder text
- Pixel
- Plugin
- Portfolio templates
- PR_END_OF_FILE_ERROR
- Persona mapping
- Predictive analytics
- PNG (Portable Network Graphics)
- Preloading
- Predictive search
- Progressive enhancement
- Prompt engineering
- Prototype
- Proximity
- Progressive web apps
- Python
- Product catalog
R
S
- Scalability
- Sans-serif fonts
- Schema markup
- Scalable vector graphics (SVG)
- Search intent
- Secure checkout
- Script fonts
- Search query
- Semantic HTML
- Serif fonts
- Server-side scripting
- SEO automation tools
- Server security
- SEO (Search engine optimization)
- Session duration
- Server uptime
- Shared hosting
- Shared hosting
- Shopping cart
- Side navigation
- Self-signed certificate
- Skip links
- Slider
- Skeuomorphic design
- Social proof
- Split URL testing
- Slug
- SQL (Structured Query Language)
- SSL (Secure sockets layer)
- Sticky navigation
- Sticky menu
- Subscription models
- Synchronous
- Style guides
- Subdomain
- Synthetic data
- SSL expiration
- SSL-handshake
T
U
V
W
- Warm colors
- Web accessibility testing
- Web-safe fonts
- Web server
- Web design
- WebP Format
- Website accessibility
- Website integration
- Website taxonomy
- Website template
- Website analytics
- Website prompts
- Widget
- Wildcard SSL
- Wireframe tools
- White space
- WYSIWYG editor
- Wireframe
- WPO (Web performance optimization)
- WYSIWYG (What you see is what you get)
- Wrapper
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