Document object model (DOM)

A unique ID you can use to link your Google Analytics account to your Webflow site.

Allows you to manage your folders.

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

A backlink, also referred to as an inbound link, is a hyperlink from one website to another website.

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.

Conditionals, also known as conditional statements or expressions, are coding instructions that tell a program to execute an action for a certain condition.

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

The slug that represents the parent folder for your individual Collection item URLs. For example, if you created a Collection called “Blog posts,” the URL would be website.com/blog-posts, while a Collection item URL for a blog post called “Hello world” would be website.com/blog-posts/hello-world.

What you create in Webflow! You can publish sites to a webflow.io staging subdomain for free, export the code on a paid plan, add hosting on any paid plan, or add a Site plan to any site to connect your custom domain and unlock hosting features.

A bottom bar is a navigation bar at the bottom of an app or webpage.

A sidebar, typically positioned on the left or right side of a website or app, is a vertical component that contains supplemental information to enrich a webpage’s primary content.

A pseudo-class that allows you to change the styles of an element when it is hovered, pressed, or focused.

An em in CSS is a scalable and relative unit of measurement that defines the size of an element relative to its parent's font size.

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

A section in the Style panel that houses CSS properties for changing how an element appears, such as its opacity, outline, and box shadows.

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.

The base tag specifies the base URL for all relative links within HTML code for a specific page or document.

In coding, a constant is a fixed value that can’t change, no matter where it appears or what the program uses it for.

Combining two or more classes into a single selector to target an element.

The <span> tag is used to style inline-text.

When someone sends data through one of your site's forms.

An end user is an individual or group who directly interacts with a particular product, service, or user interface (UI), such as a website or application.

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

Synchronous programming refers to sequentially executed operations.

To remove an element and its content from your website.

The type of element you're working with, i.e., H1, link, button, etc.

Resolution is a metric measuring clarity and detail through the number of pixels displayed on a screen or used to render an image.

A Webflow component that displays a pane of content associated with a tab menu button.

A visible "Made in Webflow" badge displayed in the bottom right corner of Webflow sites on Starter plans.

Alt text, short for alternative text, refers to text that describes online images.

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.

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

A Webflow canvas setting that lets you create styles for viewports with a minimum width of 480px and a maximum width of 767px. Also known as the mobile landscape media query.

A robots.txt file instructs search engine crawlers which webpages and sections they can or can't crawl and index.

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.

The title used to describe your website throughout Webflow.

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

A Webflow canvas setting that lets you create styles for viewports with a minimum width of 240px and a maximum width of 479px. Also known as the mobile portrait media query.

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

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.

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.

Inline style applies CSS to an individual HTML element using the "style" attribute within the HTML tag.

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

A way for others to test/debug your Webflow site in the Designer without being able to save or make permanent changes.

BiDi stands for bidirectional. When a document is BiDi, it supports text that reads from right to left and left to right.

From your Dashboard, you can access, create, and manage all your sites.

A navigator, or a navigator window or panel, is a graphical user interface (GUI) that provides an overview of a website's structure and layout.

File Transfer Protocol (FTP) allows for the transfer of files between two parties over TCP/IP-based communication channels, such as the internet.

Dynamic elements are web page components that can change based on user interaction or external factors, like a live news feed, without requiring a page refresh or reload.

A flexbox property that lets you customize the alignment behavior of flex children, based on the cross-axis of the flex container. The cross axis is the opposite of the flex-direction property, so if you set the direction to vertical, the cross axis is horizontal. Options include start, center, end, baseline, and stretch.

A navigational aid that displays in the bottom of the Webflow Designer to help you keep track of the element you're interacting with in relation to its hierarchy.

An Adobe Fonts API token protects and supports your data from Adobe Fonts with other programs you may be using to personalize your website’s fonts.

The Designer automatically saves your progress every 10 seconds.

A radio button is a form element for selecting one option from a predefined set of mutually exclusive choices.

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

A web app that helps you measure how different site designs impact user behavior.

A language code is a standardized code of letters and numbers that represent different languages.

CSS filters apply visual effects to HTML elements and their children using Cascading Style Sheets (CSS).

Webflow's content management system (CMS) is where dynamic content (Collections and their Collection items) is stored and maintained so you can reference it throughout your site. A CMS lets you input data in one location, then use Collection template pages or Collection lists to display that content without having to update the content displays one at a time.

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 space to hold and access sites, members, settings, and integrations. All users start with a Workspace that can become collaborative when and as needed.

.htaccess is a powerful configuration file that allows you to configure and control how your website functions.

Available in CMS Collections. You can add videos via a link — not an embed code — from an online video host like Vimeo or YouTube. Just paste in the video link and it’ll appear in the native video format from the 3rd-party video player.

Deprecated HTML tags are old tags replaced by updated alternatives in modern web design and development.

A generic element that is typically used to group content, or when no other element is specifically or semantically suitable. Div blocks have no effect on the content or layout until styled with CSS.

Ciphertext is unreadable, encrypted data that ciphers use for security during data transit.

Static content is content that’s not bound to any Collections or dynamic elements.

A typography element that is used to link to other pages or sections of a webpage.

A second-level domain (SLD) is the part of a domain name that precedes a top-level domain (TLD).

A primitive is the simplest JavaScript data type, representing fundamental values that do not encapsulate any object, method, or property.

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.

The page people see when they visit your site's root domain. Read more about the homepage.

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

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.

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

A callback function is passed as an argument to another function and executed upon completing the latter’s task.

Made in Webflow showcases Webflow sites made by individuals and teams.

To move forward one step while making changes to a Webflow site.

You can transfer sites from one Workspace to another Workspace.

A website background is a visual element behind webpage content, enhancing aesthetic appeal and user engagement.

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

The vertical bar of tools on the left side of the Webflow Designer. It holds the Add panel, Symbols panel, Navigator panel, Pages panel, CMS panel, Ecommerce panel, Assets panel, Settings panel, Site Activity log, Audits, Search, Video tutorials, and Help.

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

Optimization is a systematic approach to improve a website's appearance, functionality, and visual appeal to enhance the user experience, improve search engine rankings, and achieve business objectives.

Shared Workspace templates are templates made from your own sites. They can help you create sites with similar layouts and increase your efficiency when designing. Your Workspace members will also have access to your shared Workspace template(s).

A media query is a CSS technique that applies different styles to a website or an app based on the characteristics of the device displaying it, such as screen size, resolution, and browser viewport.

The “max-height” CSS property defines an element’s maximum height.

Behavioral targeting is a marketing technique that leverages user data to deliver personalized ads to drive conversions.

Software as a Service (SaaS) is a cloud-based approach to delivering software on a subscription basis without requiring local installation.

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

Left padding is a CSS property that defines the space between an element's left border and its content.

Client-side is the user-facing part of a web app, responsible for processing user input and displaying content.

DNS records store important information about domains and hostnames. They function like maps, directing DNS queries to the desired endpoint.

In JavaScript, mutable objects are dynamic elements that allow post-creation changes and modifications.

A CMS field used in Collections. This powerful field allows you to link to other Collections within your website to populate fields in Collection lists and Collection pages.

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.

Available in CMS Collections. This field offers you a powerful filtering tool for Collection items. For example, you could create a switch labeled "Featured?" for Blog Posts, and then switch on the toggle to showcase particular posts.

In software and web development, deployment is the process of moving code from one environment to another, usually in the form of changes or updates.

Margins are an essential spacing element of web design, dictating the amount of whitespace between a box and its surroundings.

By default, Collection lists display all items in a Collection, but you can add limits to control the number of Collection items that display.