Flex-sizing

The order in which a Webflow site's CSS styles flow from desktop to mobile breakpoints.

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

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

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

Synchronous programming refers to sequentially executed operations.

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

The inside spacing between the top border of an element and the elements inside it.

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.

An HTML attribute you can use to give a short description of the contents of a webpage. Search engines often display this in results pages (SERPs).

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.

DHTML, or Dynamic HTML, is a web-development technique combining HTML, CSS, and JavaScript to create dynamic, interactive web pages and complex web applications.

Cookies are small text files sent by a website to a user’s web browser that enhance their browsing experience by remembering site preferences and activities.

Keyboard shortcuts are combinations of keys on a computer keyboard that perform a specific action or command within an application or operating system.

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

To remove an element and its content from your website.

The span tag is used to style inline-text.

A slider is an interactive design element for scrolling through images, videos, and other multimedia content.

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

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.

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

A slug, also known as a URL slug or a website slug, is descriptive text that appears at the end of a URL and identifies a web page.

Contextual advertising is a form of paid advertising that matches web content with ad intent.

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

In programming, a deep copy is a replica of an object that doesn’t share the same references as the original. That way, if you make changes to the duplicate, the original stays the same.

Real-Time Streaming Protocol (RTSP) is a standardized network protocol for transmitting real-time multimedia data like audio and video.

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

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

The checkout process in ecommerce is the process that online customers go through to complete a purchase.

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.

A Uniform Resource Identifier (URI) is a string of characters identifying an online resource.

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.

An element contained within a parent element that has display: flex set.

The color-coded borders of elements you'll see in the Webflow Designer.

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

A Webflow site that is publicly visible in your public profile and in Made in Webflow search results.

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

A measurement unit relative to an element's parent.

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.

Below the fold refers to the lower portion of a webpage that isn’t immediately visible to visitors upon loading until they scroll down.

Display: none is a CSS property that hides website elements. This code tells the document flow to ignore the element entirely, making it invisible.

A bounding box is a rectangular border around a website element (e.g., a heading, paragraph, or image) that appears during the design process.

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

Font weight refers to the thickness or density of a typeface’s strokes.

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

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.

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

The most flexible display property in CSS is the aptly named display: flex, which allows you to create flexible layouts with elements that you can align and distribute vertically or horizontally.

The element directly above in the hierarchy tree.

Cryptanalysis examines cryptographic systems to find weaknesses that could allow attackers to uncover plaintext or break encryption.

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

Bottom padding is the space between the bottom of an element and its border.

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

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.

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

Password protection is a security feature restricting certain website areas to authorized users, requiring a secret phrase or key to access them.

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

The flex-shrink CSS property defines how much an element shrinks relative to other flexible items inside the same parent element.

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 visible “Made in Webflow” badge displayed in the bottom right corner of Webflow sites. Webflow branding also appears in the site’s HTML. Learn more about Webflow branding.

Allows you to manage your folders.

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

A meta title is an HTML element that defines a web page's title and appears in browser tabs and search snippets on search engine results pages (SERPs) as a clickable headline.

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

In cryptography, a cipher is a digital security algorithm that encrypts and decrypts data.

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

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.

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

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

A 404 page is an error page a visitor sees when they try to access a non-existent or broken URL on a website.

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

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

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

A Graphical User Interface (GUI) is a visual medium that enables visual interaction with software applications or electronic devices through elements like icons, buttons, and menus.

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

Asynchronous JavaScript and XML (AJAX) is a web development approach that combines technologies to allow web content to update without reloading.

A class is a template that defines variables for objects with similar properties.

A content management system (CMS) is a tool for creating and managing a website and its content.

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

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

NAT (Network Address Translation) is a technique that enables communication between devices with private internet protocol addresses and the public internet.

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

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

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

Top of the funnel (TOFU) refers to the initial marketing funnel stage where potential customers become aware of a brand’s existence.

A dynamic page that Webflow automatically creates for each Collection item. When you design a Collection page, all the pages that are created for each Collection item will have the same template but different content.

A comment is a text note in source code that offers context, internal information, or other guidance to any developers using it.

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

Available in CMS Collections. It lets you insert an integer with or without decimals.

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.

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 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 Webflow element that embeds an interactive Google Map in your site.

Authoring Tool Accessibility Guidelines (ATAG) are a layered rule-set that influence how designers and developers create a more accessible internet.

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

A Webflow plan that you can add/apply to individual sites. You’ll receive access to different site and hosting features based on your Site plan.

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.

The amount of pages your site currently has.

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

A Domain-Specific Language (DSL) is computer script that solves software problems in a specific domain.