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