404 page

Responsive web design (RWD) is a web development and design approach to create websites, applications, and user interfaces (UIs) that display and function effectively on any device or screen size.

The display: inline CSS property is a display option that controls an element’s appearance and layout.

Compiling is the process of converting code from a high-level programming language into a low-level language that computers can understand.

Compile time is the length of time it takes for a compiler to convert high-level code into low-level code.

The ID used to log into your Webflow account.

The amount of pages your site currently has.

Return on investment (ROI) is a metric evaluating the profitability or gain of a venture.

A content type (blog posts, recipes, etc.) represented by a group of fields you define. Once created, you can add individual Collection items.

A flexbox property that lets you customize the alignment behavior of flex children, based on the main axis of the flex container — that is, whatever you defined as the flex-direction. Options include start, center, end, baseline, and stretch.

You can manage your site pages within Page settings. Here, you can rename, duplicate, delete, or save pages as drafts. You can also set SEO, Open Graph, and site search settings, as well as insert custom code. Additionally, you can set RSS settings for Collection pages.

Character encoding is the process of representing characters (such as “a” or “3”) in a particular way, such as text on a computer screen.

A Webflow element that displays externally hosted videos such as YouTube and Vimeo.

A closing tag is an instructional piece of code that ends a section of page content in HTML.

A cipher suite is a collection of encryption algorithms that work together to secure a network connection.

A valid CSS pseudo-class is a keyword that enables styling HTML elements based on their state or position in the document structure or web page.

A Uniform Resource Locator (URL) is a standardized web address format that allows users to identify and access an online resource.

A link, short for hyperlink, is a clickable website element that enables navigation between different web resources.

A section is an element of design layout that divides a web page into visually distinct segments.

Flexbox is a CSS layout mechanism that offers precise alignment and stacking control for the content inside an element.

The display: grid CSS property defines a website element (such as a button or header) as a grid container.

The default UI state for Collection lists, which displays the items in the Collection. It is the opposite of the empty state.

A field label is descriptive text that helps users understand what information to enter in an input field on a web form.

The <strong> element defines important text with added semantic importance.

A smoke test, also called build verification testing or confidence testing, is a preliminary examination to determine the basic functionality of a software, website, or application.

A headless content management system (CMS) separates the front-end presentation layer from the back-end management layer, allowing for more flexible content delivery.

You can assign element IDs from the Element settings panel in the Designer. ID selectors are useful for HTML anchors, linking to page sections, or for custom code.

Short for Joint Photographic Experts Group, JPEG is a file format that uses lossy compression to maintain manageable file sizes without compromising image quality.

The specific domain or subdomain where your Webflow site is displayed.

A registrar, or domain name server (DNS) registrar, manages the sale of domain names and the assignment of IP addresses, ensuring each domain’s uniqueness.

A 16x16 px image that displays in browser tabs, bookmarks, and other browser areas. It's typically a simplified version of the site's logo.

A downloadable ZIP file that contains your Webflow site's HTML, CSS, JS, and image files.

Elements are individual HTML components that constitute a webpage’s structure and contents.

When a search engine crawls your site's Webflow subdomain (e.g., your-site.webflow.io).

A section in the Add Panel that houses pre-built Webflow elements such as sliders, tabs, and lightboxes.

Field-sizing is a CSS property that lets form elements like text areas and inputs grow or shrink automatically to fit their content instead of staying locked to a fixed size.

CRUD stands for Create, Read, Update, and Delete — the four basic operations all software applications should perform.

The display: inline-block CSS property defines an element’s appearance and behavior. CSS designers use this code to create website layouts.

Dithering is a design technique that simulates additional colors on a display to smooth transitions in images with limited color palettes.

A typography element that is used when no other element is specifically suitable.

A form element that allows you to make a selection in a dropdown list.

The amount of times a site visitor submits data using your site's form(s).

Allows you to manage your folders.

Third-party applications that you've given access to your personal and/or website data.

A document type definition (DTD) defines the structure, validity, and attributes of standard generalized markup language (SGML) documents, such as GML, HTML, and XML.

A method of lowering the file size of your stylesheet(s) by removing all white space from your CSS files.

An IP (Internet Protocol) address is a unique string of characters identifying devices connected to the internet.

Automagically describes complex content or functions that appear as if they were created using magic.

Localization (l10n) involves adapting digital content and applications to meet a specific region or culture’s language and conventions.

AEO (Answer Engine Optimization) is the practice of optimizing content so it gets surfaced and cited by AI answer engines like ChatGPT, Claude, and Gemini, the AI-era counterpart to traditional SEO.

Closed-loop marketing is an ecommerce marketing strategy that uses customer data to create and improve targeted content.

The place to go when you need help with your site's design, custom code, etc. Visit the forum.

Domain name forwarding is a process that automatically redirects visitors from your domain name to a different web address.

BigInt, which stands for “big integer,” is a JavaScript data type. JavaScript uses data types to decide how to treat a piece of data.

Serialization is the process of converting data into an optimized format for storage, transmission, and sharing.

Search Engine Optimization (SEO) is a collection of strategies to enhance a website’s ranking and visibility on search engines.

Empty or void elements are HTML elements that don’t require a closing tag because they contain no content.

A grayscale view of your site’s canvas that visually displays each element’s border, margin, and padding when hovered over.

Footer code creates a section at the bottom of every web page that displays important information like disclaimers, copyright or contact information, and links to related documents.

The Resource Description Framework (RDF) is a standardized framework developed by the World Wide Web Consortium (W3C) that facilitates automated data exchange between web systems and applications.

A hotlink — also known as a remote or inline link — is a hyperlink that directs to a resource, such as an image or a file, without the owner’s explicit permission.

To remove an element and its content from your website.

An algorithm is a set of rules or steps that help solve problems or carry out specific tasks.

Minified code refers to the process of removing unnecessary characters and whitespace from the source code file without affecting its functionality.

A custom font is any non-system-default typeface you manually upload to your website.

Single Instruction and Single Data Stream (SISD) is a computer architecture where a central processing unit (CPU) executes one instruction at a time on a single data piece.

A user interface (UI) is any visual element humans interact with on a device, webpage, or application.

Clickjacking is when a malicious actor deceives website visitors into clicking buttons or links hidden in a fake layer to steal sensitive data or install malware.

A web server is a computer program or hardware device that delivers web content to clients using HTTP. It handles client requests for web pages, images, and videos.

The American Standard Code for Information Interchange (ASCII) is an encoding standard that assigns numerical values to characters and translates them into computer-readable code.

A backup is a copy of data stored in an alternate location, including hard drives, cloud servers, or network-attached storage (NAS) servers.

RGB, an acronym for Red, Green, Blue, is a color model that screen displays use to represent various colors.

A link block operates much like a div block, an HTML element for grouping and organizing other HTML elements (like text, images, and forms) into block-level containers. But in the case of a link block, what’s inside the block becomes a link.

Columns let you create sections of content that sit side by side on your website, like the columns in newspapers. You can choose how many columns you want and their widths. You can also control how they display on smaller screens — such as stacking them.

A digital certificate is a data file embedded in the site that signals the site’s safety to visitors, internet service providers (ISPs), and servers.

MCP (Model Context Protocol) is an open standard that lets AI agents connect to and act within external tools and data sources, like reading or editing a Webflow site.

Syntax is the name for the rules specifying a programming language's structure and formatting.

Middleware is software that links different programs and applications, allowing them to interact and communicate effectively.

ALPN stands for Application-Layer Protocol Negotiation. It’s a Transport Layer Security (TLS) extension that aids client and server identification during secure data transfers.

A content optimization system (COS) is software that lets you optimize website content to attract more traffic.

The Web Accessibility Initiative (WAI) is a World Wide Web Consortium (W3C) project to enhance accessibility for users with disabilities.

Width defines how wide an element can be. This can be defined in absolute terms (pixels) or relative terms (ems, rems, percentages, viewport-height, or viewport-width).

A CSS preprocessor is a program that helps developers write Cascading Style Sheets (CSS) by providing advanced features such as variables, functions, and nesting.

An individual item within a Collection. For example, in a “Blog Posts” Collection, the Collection items are individual blog posts.

A content network is a collection of websites where advertisers can pay to display digital ads.

Asynchronous programming is an approach where programs simultaneously run multiple operations independently without waiting for previous tasks to complete.

You can set any Collection field as "Required," which means that a value must be added to that field in the Collection item before it can be published. The only Collection field that cannot be made required is the Switch field.

JavaScript is a programming language web developers use to create dynamic interactions and effects for web pages and applications.

Traffic, or web traffic, refers to the number of users who visit a website over a period of time.

A bug is an error, fault, or flaw in an application or software that causes the program to behave unexpectedly, often producing inaccurate and invalid output.

Through the pagination settings, you can preview Collection list pages by choosing the page number from the page dropdown list, or you can switch to the previous or next page using the arrow keys.

A static page is a document with fixed content that makes up an individual web page on your site.

Inheritance describes a principle where child elements adopt the style properties of parent elements.

A Webflow element that embeds a Twitter Follow or Tweet button into your site.

An attribute in HTML is a term inside an opening tag of an element, such as a font or color, that provides additional information about the element.

Mid-September 2019, new European requirements for authenticating online payments were introduced in Europe as part of the second Payment Services Directive (PSD2). The Strong Customer Authentication (SCA) requirements apply to businesses in the European Economic Area (EEA) that accept online card payments from cardholders whose banks are also located in the EEA.Webflow Ecommerce payments are PSD2 and SCA compliant (i.e., support 3D Secure payments) for European customers.If you’re a merchant in the European Economic Area (EEA), all you need to do to ensure that your Webflow Ecommerce store is PSD2 and SCA compliant for your European customers is to republish your store if it wasn’t published on or after September 11, 2019. Read more about how to make your ecommerce store compliant in our Payment gateway article.

A cryptographic hash function takes an input message of any length, such as a file, message, or password, and uses a mathematical formula to produce a fixed-size output (hash).

An element that contains content.

A breakpoint, or media query, is the width at which a website’s design and layout adjust to fit screens of different sizes. When designing in Webflow, breakpoints for smaller devices inherit styles from the base — or desktop — breakpoint by default.

A GIF (Graphics Interchange Format) is a digital image format that uses multiple frames of an image or soundless video to create a short, looping animation.

JSON, short for JavaScript Object Notation, is a human-readable, lightweight format for recording, storing, and exchanging data.