University
Log in
Search
⌘E
My learning
Try Webflow — it's free
Learn
Courses
Learning Paths
Videos
Docs
Resources
Certifications
Interactive Learning
Glossary
The Webflow Way
Engage
Support
Community
Accessibility
Switch to Light mode
Switch to Dark mode
High contrast
Glossary
Dark mode

Dark mode

Dark mode is a color scheme that swaps the usual dark text on a light background for light text on a dark background. It cuts screen brightness and glare, which most people find easier on the eyes in low light or during long sessions, and it's now a standard option across most software interfaces.

Software typically offers three choices: light, dark, and a system setting that follows the device's own preference. Webflow added this to its own product in 2026, letting each account pick a theme once and have it apply across the Dashboard, Sites, Optimize, and Campaigns.

Relevant courses

No items found.

Other glossary terms

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.

Style Manager

→
The third tab in the right-side panel where you can rename element classes, preview your class and tag styles, search for classes and tags, and delete any classes that aren’t in use.

Content network

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

Conditional

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

Header

→
A header is a section at the top of a webpage.

Control flow

→
The control flow is the order in which a computer program executes its instructions or statements, guided by control structures.

Duplicate element

→
To copy an element and its content, styles, and settings.

Maximum width (max width)

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

Prefetch

→
Prefetch is a technique that proactively loads and caches resources to improve website performance and user experience.

Closed-loop marketing

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

GIF

→
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.

Total Form Submissions

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

Text area

→
A form element that allows site visitors to enter multi-line data.

Read-only link

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

Facebook button

→
A Facebook button is a clickable element on a website that allows users to connect to or share content on the social media platform.

Tabs

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

Bad neighborhood

→
Bad neighborhoods are groups of websites that search engines have downgraded because they violate search engine guidelines.

Latency

→
Network latency is the time data needs to travel from one point to another, impacting the responsiveness and speed of web applications and services.

Media section

→
A section of the Add panel that holds multimedia elements like images, video, and Lottie animation.

Percent

→
A measurement unit relative to an element's parent.

Display: inline-block

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

Help text

→
Help text is a user interface design element that provides additional information or guidance to users to clarify which content should go in a given Collection field.

Text link

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

Date/Time field

→
A field available in CMS Collections. This field lets you display a date and time in a Collection and/or Collection item.

Height: auto

→
The "height: auto" CSS property automatically adjusts an element’s height based on its content.

Single Instruction Single Data (SISD)

→
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.

Multi-reference field

→
A CMS field used in Collections. Just like a reference field, the multi-reference field lets you reference other Collections in your site. But it’s even more powerful, as it lets you reference multiple items within a Collection instead of just 1 item.

Save

→
The Designer automatically saves your progress every 10 seconds.

API

→
APIs, or Application Programming Interfaces, are common code protocols that let apps safely exchange data with other apps, software, and hardware.

Workspace plan

→
A Webflow plan that applies to your entire Workspace.

Field-sizing

→
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.

Browser

→
A browser, or web browser, is a software program that allows users to access, navigate, and interact with websites on the internet.

Image field

→
Available in CMS Collections. With this field, you can upload images from your computer and use them as dynamic items in your individual Collection item.

File Transfer Protocol (FTP)

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

Sorting Collection lists

→
You can sort your Collection items in multiple ways — select the field from the Collection you wish to filter from, then select the ordering option.

Inline style

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

Localization

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

Front-end

→
The front-end refers to the visual and interactive part of a website or application that users directly interact with.

Cryptographic hash function

→
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).

RGB (Red-Green-Blue)

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

Array

→
An array is an ordered, random-access collection of data. This data can be either primitive or object, depending on the coding language.

Webflow CMS

→
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.

Null

→
“Null” represents the absence of a value or the presence of invalid objects in computer science and web development.

Content optimization system (COS)

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

Micro conversion

→
Micro conversions are small but important user actions on a website that contribute to the overall conversion funnel.

Typography section

→
A section in the Style panel that houses CSS properties related to how typography is displayed such as font, font size and height, and align.

Serialization

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

Columns

→
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.

Shim

→
A shim is a code snippet enabling modern web features to function within older programming or browsing environments.

Certified

→
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.

Backlink

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

Collection field

→
An individual field within a Collection. You'll select which fields to display in dynamic Collection lists and Collection pages.

Empty state

→
The state displayed when a Collection contains no Collection items, which gives you the opportunity to design for a situation where there's no content to display. Check out the Empty States blog for inspiration.

Flex-order

→
In CSS, flex-order is a property that allows you to manipulate the default source order of the items within a flex container. Flex-order is especially useful when you want content to display differently on mobile than on desktop.

Mutable

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

Literal

→
In JavaScript, literals are fixed values written directly into the code.

Editor toolbar

→
The toolbar that appears at the bottom of the Editor. From here, you can access the various Editor panels to manage page settings, dynamic content, forms, and your Editor account. You can also see and publish the changes you make through the Editor.

List item

→
A list is a Webflow element that displays multiple pieces of content in a structured, visually appealing way. The individual elements that make up the list are called list items.

Headless CMS

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

Google Universal Analytics Tracking ID

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

Forms section

→
A section of the Add panel that houses form elements like inputs, checkboxes, and radio buttons.

Utility pages

→
Utility pages are default, customizable templates for your site’s 404 page, Password page, and Search results page.

Python

→
Python is a high-level, object-oriented, general-purpose programming language (GPL).

Certificate authority

→
A certificate authority (CA), also known as a certification authority, issues digital certificates that verify a website’s owner.

Workspace

→
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.

Minimum height

→
The min-height CSS property defines an element’s minimum height.

Key

→
A key, or web key, is a unique identifier that authorizes access to a webpage or service.

Structured Query Language (SQL)

→
Structured Query Language (SQL) is a programming language that enables storing, retrieving, and manipulating information in a relational database.

Hyperlink

→
Hyperlinks are clickable elements that allow users to navigate between web pages, documents, or other types of digital content.

Entity

→
An entity is a representation of a special character that causes syntax conflicts in HTML (Hypertext Markup Language).

XML sitemap (sitemap.xml)

→
An XML (Extensible Markup Language) sitemap is a text file that lists a website's pages to help search engines crawl and index them.

Navbar

→
A navbar, or navigation bar, is an interactive user element with a menu or a set of links to a website’s main sections.

Redo

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

Required field

→
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.

URL redirect

→
URL redirect, or URL forwarding, is a web server function that automatically sends users from one web address to another.

Pages panel

→
A panel in the left toolbar where you can add static pages and folders to your Webflow site. You can also manage and access Utility pages and Collection pages.

Locked site

→
When you have more unhosted sites in your Dashboard than your Workspace plan allows, those additional sites past your limit will be “locked” until you upgrade your plan. When you upgrade, you’ll be allowed more unhosted sites (up to the limit for your Workspace plan) and will be able to access your previously locked sites.

Paginate items

→
This checkbox allows you to enable or disable pagination on the selected Collection list.

Cipher suite

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

Baseline

→
The baseline is the fixed invisible line that serves as the base for letters. It’s used as a measurement for line height and x-height.

Call-to-action (CTA)

→
A call-to-action (CTA) is a website feature that prompts visitors to perform a specific action.

Layout section

→
A tab in the Add panel that houses prebuilt layouts for your Webflow site.

Domain name forwarding

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

Combo class

→
A combo class combines multiple classes, allowing you to apply various visual styles to HTML elements.

Robots.txt

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

Flexbox

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

Optimization

→
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.

Widget

→
A widget is an interactive element embedded in a user interface that facilitates specific user actions or displays important information at a glance.

Idempotent

→
Idempotency is a computing principle where multiple applications of a function or operation produce the same result as a single execution.

Select field

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

Background

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

Urgency

→
Urgency is a marketing term and psychological trigger that incites potential customers and website visitors to act swiftly.

Closing tag

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

Site

→
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.

Bottom margin

→
The spacing between the bottom border of an element and the element(s) below it.

Tag

→
A Hypertext Markup Language (HTML) tag is a code snippet that defines and describes the structure and content of web pages.

Div block

→
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.

Single-page publishing

→
Single-page publishing lets you publish changes to one page without republishing the rest of the site, useful for quick fixes on large sites.

Section

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

Profile settings

→
The area where you can manage your profile, email settings, and security settings.

Top margin

→
Top margin is a CSS property that defines the space between the top edge of an element and its surroundings, such as other elements, the browser window, or the edge of a container.
Hmm…we couldn’t find any results. Try a different search term or reset the filter.
Reset the filter
Load more