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Marketing and Development Glossary

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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

301 Redirect

A permanent redirection from one URL to another; it helps preserve link equity.

302 Redirect

A temporary redirection from one URL to another; does not transfer link equity.

404 Error

A HTTP error code indicating a webpage cannot be found.

A

A/B Testing

A method of comparing two versions of a marketing asset to see which performs better with a target audience.

Abandoned Cart

When a customer adds items to their online shopping cart but leaves the site without completing the purchase.

Above the Fold

The portion of a web page visible without scrolling, considered prime space for important content.

Acquisition Cost

The total cost associated with acquiring a new customer, including advertising and sales expenses.

Ad Budget

The total amount of money allocated for advertising over a specific time period.

Ad Copy

The main text or message in an advertisement that aims to persuade a viewer to take action.

Ad Extensions

Additional information added to search ads, such as phone numbers or site links, to improve visibility and performance.

Ad Network

A platform that connects advertisers to websites that want to host advertisements.

AdSense

Google's program that allows publishers to display ads on their websites and earn revenue from clicks or impressions.

Affiliate Network

A platform that connects affiliates (marketers) with companies offering affiliate programs.

AI

Adobe Illustrator file format used for vector graphics.

AI (Artificial Intelligance)

The simulation of human intelligence by machines, enabling them to perform tasks such as learning, problem-solving, and decision-making without explicit programming.

AJAX

Asynchronous JavaScript and XML, a technique that allows web pages to update asynchronously by exchanging data with a web server.

Alignment

The placement of elements in relation to each other to create order and structure.

Alt Attribute

An HTML attribute providing alternative text for images; essential for accessibility and SEO.

Alt Text

Text describing an image on a webpage; important for accessibility and SEO.

Anchor Text

The clickable text in a hyperlink, relevant to the linked content.

API

Application Programming Interface, a set of functions that allows applications to access data and interact with external software components.

Attribution Model

A set of rules determining how credit for sales and conversions is assigned to touchpoints in conversion paths.

Authority Site

A high-quality website recognised for trustworthiness and topical expertise.

AVIF

A modern image format offering excellent compression and quality, designed to replace older formats like JPG and PNG.

B

B2B SEO

Search engine optimisation practices tailored for business-to-business marketing.

B2C SEO

SEO strategies targeting individual consumers, often involving broader search terms.

Backend

The server-side of a web application that processes business logic, database interactions, and server configuration.

Backlink

An incoming hyperlink from one web page to another website, which helps with SEO ranking.

Balance

The distribution of visual weight in a design, which can be symmetrical or asymmetrical.

Behavioural Targeting

Delivering marketing messages based on a user’s previous online actions and browsing behaviour.

Black Hat SEO

Unethical SEO tactics that violate search engine guidelines and risk penalties.

Bleed

The area of a design that extends beyond the edge of the page to ensure proper trimming.

Bootstrap

A popular frontend framework for developing responsive and mobile-first websites using CSS and JavaScript components.

Brand Awareness

The extent to which consumers recognise or recall a brand under different conditions.

Brand Guidelines

Rules that define how a brand should be presented visually and verbally.

Brand Identity

The visual elements that represent a brand, including logo, colour, and typography.

Breadcrumb Navigation

A navigational aid showing users their location within a website’s hierarchy.

Buyer Intent

The likelihood or readiness of a consumer to purchase based on their behaviour, keywords, or content interaction.

C

Cache

A stored version of a web page used by browsers and search engines for faster loading.

Call to Action (CTA)

A prompt that encourages users to take a specific action, such as 'Buy now' or 'Sign up'.

Canonical Tag

A HTML tag that defines the preferred version of a web page to prevent duplicate content.

Canonical URL

The preferred version of a web page, used to avoid duplicate content issues.

Classified Advertising

A form of advertising that appears in print or online listings by category, often for jobs or items for sale.

CLI

Command Line Interface, a text-based interface used to interact with software and operating systems.

Click Depth

The number of clicks it takes to reach a page from the homepage; affects crawl efficiency.

Click-to-Open Rate (CTOR)

A measure of email effectiveness that compares unique clicks to unique opens.

Cloaking

A black hat SEO technique showing different content to users and search engines.

CMS

Content Management System, software used to create, manage, and modify digital content on websites without needing to code from scratch.

CMYK

Cyan, Magenta, Yellow, and Black – the colour model used in printing.

Colour Theory

The study of how colours interact and the emotional responses they evoke.

Content Decay

The decline in a web page’s performance due to outdated or less competitive content.

Content Gap Analysis

Identifying keywords or topics competitors rank for that your site does not.

Content Marketing

A strategic approach to creating and distributing valuable content to attract and engage a target audience.

Contrast

The visual difference between elements to make designs more engaging and accessible.

Conversion

A completed goal or action taken by a user, such as signing up, downloading, or making a purchase.

Conversion Rate

The percentage of visitors to a website who complete a desired goal, such as making a purchase or filling out a form.

Core Web Vitals

Google's metrics assessing user experience through loading speed, interactivity, and visual stability.

Cost Per Acquisition (CPA)

The average cost of acquiring one paying customer, used to measure the efficiency of marketing efforts.

CPC

Cost Per Click is a metric by Google which shows you how much each click has cost you.

CPM - Cost Per Thousand Impressions

A pricing model in digital advertising where the cost is based on one thousand ad impressions.

Crawl

The process by which search engines scan web pages for indexing.

Crawl Budget

The number of pages a search engine bot will crawl on your site within a given time.

Creatives

Visual or audio advertising materials such as banners, videos, social content or ad designs.

CRM - Customer Relationship Management

Systems and strategies for managing a company’s interactions with current and potential customers.

CRO - Conversion Rate Optimisation

The process of increasing the percentage of website visitors who take a desired action.

CSS

Cascading Style Sheets, a language used for describing the presentation and design of web pages.

CTR (Click-Through Rate)

The percentage of people who click on a search result out of the total who saw it.

Customer Journey

The entire experience a customer has when interacting with a brand, from awareness to purchase and beyond.

Customer-Centric Language

Content crafted with the audience’s needs and preferences in mind, using their tone, values, and pain points.

D

Demand Generation

Marketing efforts aimed at creating awareness and interest in a company’s products or services.

Direct Marketing

Marketing that communicates directly with customers through channels like email, mail, or SMS.

Disavow File

A file submitted to Google to ignore certain backlinks that could harm your rankings.

Display Ads

Visual-based ads that appear on websites, apps, or social media to promote products or services.

Distrubution Channel

The path through which goods and services travel from the producer to the end user.

DMARC

Domain-based Message Authentication, Reporting & Conformance, an email authentication protocol to protect domains from phishing and spoofing.

DOM

Document Object Model, a programming interface that allows scripts to update the content, structure, and style of a document.

Domain

The address of a website on the internet, such as example.com.

Domain Authority (DA)

A metric developed by Moz that predicts how well a website will rank on SERPs.

Domain Name System (DNS)

The system that translates domain names into IP addresses.

DPI

Dots Per Inch – a measure of print resolution.

Drip Campaign

A series of automated marketing emails sent based on user behaviour or timing.

Dropshipping

A retail fulfilment method where a store sells products without keeping them in stock.

Duplicate Content

Substantially similar content across multiple pages that can confuse search engines.

Dynamic Parameters

URL elements that change based on user behaviour or content variations, often used in e-commerce filters and tracking.

E

E‑E‑A‑T

Stands for Experience, Expertise, Authoritativeness, and Trustworthiness; key content quality signals in Google’s guidelines.

eCommerce

Buying and selling goods or services over the internet.

Email Automation

The use of software to send emails to users automatically based on predefined triggers.

Email Deliverability

The ability of an email to reach the recipient’s inbox rather than their spam folder.

Email List

A collection of email addresses used by a business to send marketing messages or updates.

Email Marketing

The use of email to promote products or services and build relationships with customers.

End User

The person who ultimately uses or is intended to use a product or service.

Engagement Rate

A metric showing how actively users interact with your content, such as likes, comments, shares, and time on page.

External Linking

Links pointing to a domain outside your own website, often used to cite sources or provide additional context.

Eye Tracking

Technology used to measure where and how users look at a webpage or advertisement.

F

Favicon

A small icon associated with a website, displayed in the browser tab or bookmarks.

Featured Snippet

A highlighted answer box shown at the top of some Google search results.

Flat Design

A minimalist design style that uses simple, two-dimensional elements and bright colours.

Focal Point

The area of a design that draws the viewer’s attention first.

Framework

A platform for building software applications that provides a foundation and predefined structure.

Freemium

A business model that offers basic services for free while charging for premium features.

Frontend

The part of a website or application that users interact with directly, typically built with HTML, CSS, and JavaScript.

Full Stack

A developer or application that works with both frontend and backend technologies.

G

Geotargeting

Delivering content or ads to users based on their geographic location.

Git

A distributed version control system used for tracking changes in source code during software development.

GitHub

A web-based platform for version control using Git, allowing collaboration and sharing of code repositories.

Google Analytics

A tool by Google that tracks and reports website traffic and user behaviour.

Google Index

The database of web pages that Google has crawled and deemed worthy of showing in SERPs.

Gradient

A gradual blend between two or more colours.

Grid System

A structure made up of intersecting lines used to organise content in a layout.

H

H1

The main heading tag in HTML, used to indicate the primary title of a web page.

H2

A secondary heading tag in HTML, used to organise content under the H1.

H3

A subheading tag in HTML used under a H2 to further structure page content.

H4

A HTML heading tag used to define content under a H3, typically for detailed segmentation.

Hard Bounce

An email that is permanently undeliverable, often due to an invalid address.

Hashtag

A word or phrase preceded by a # symbol used on social media to categorise content.

Heat Map

A visual representation of where users click or hover on a webpage, indicating user interest.

Hex Code

A six-digit code used in HTML and CSS to represent colours on the web.

Hierarchy

The arrangement of elements to show their order of importance.

Hosting

A service that stores website files on a server, making them accessible on the internet.

Hreflang

A HTML attribute that tells Google the linguistic and regional targeting of a web page.

HTML

HyperText Markup Language, the standard language used to create the structure of web pages.

HTTPS

HyperText Transfer Protocol Secure, a protocol for secure communication over a computer network.

I

Icon

A small graphic used to represent actions, objects, or concepts in a user interface.

Impression

The number of times an ad or content piece is displayed to users, regardless of interaction.

Inbound Marketing

A strategy that attracts customers by creating valuable content and experiences tailored to them.

Indexing

The process of adding web pages into a search engine's database.

Influencer Marketing

Partnering with individuals who have influence over a target market to promote products or services.

Integrated Marketing

A strategy that ensures all marketing channels work together to deliver a unified message.

Internal Linking

Links from one page to another within the same website, improving crawlability and user experience.

IP Address

A unique string of numbers that identifies a device on the internet or a local network.

J

JavaScript

A high-level programming language commonly used to create interactive effects within web browsers.

JPG

A commonly used compressed image format suitable for photos and graphics with many colours.

JSON

JavaScript Object Notation, a lightweight format for storing and transporting data, commonly used in APIs.

K

Kerning

The adjustment of space between individual letter pairs in typography.

Key Success Factors

The essential elements required for a business or campaign to achieve its goals.

Keyword

A word or phrase that users enter into a search engine to find relevant content.

Keyword Cannibalisation

When multiple pages on the same website compete for the same keyword, diluting ranking potential.

Keyword Density

The percentage of times a keyword appears on a webpage compared to the total word count.

Keyword Stuffing

Overusing keywords in content to manipulate rankings; penalised by search engines.

KPI - Key Performance Indicators

Measurable values used to track the effectiveness of marketing strategies.

L

Layered Navigation

A filtering system used on e-commerce sites that allows users to refine product searches by attributes like size or brand.

Lazy Loading

A technique that delays the loading of non-critical resources like images until they are needed, improving page speed.

Lead Nurturing

The process of developing relationships with potential customers through personalised communication at each stage of the buyer journey.

Leading

The vertical space between lines of text.

Leads

Potential customers who have shown interest in a product or service.

Library

A collection of pre-written code that developers can use to optimise tasks and add functionality.

Lifecycle Marketing

A strategy that tailors marketing efforts to each phase of a customer’s journey, from acquisition to retention.

List Broker

A person or company that sells access to lists of potential leads or customers.

Local SEO

SEO tactics aimed at improving visibility for businesses in local search results.

Logo

A graphic mark or symbol used to represent a company or brand.

Long-Tail

Specific, less competitive keyword phrases that typically consist of three or more words and have clearer intent.

Lookalike Audience

A segment created from a source audience that shares similar characteristics, often used in paid social campaigns.

LSI Keywords

Latent Semantic Indexing keywords are conceptually related terms that help contextualise content.

M

Manual Action

A penalty issued by Google when a site violates its quality guidelines.

Market Research

The process of gathering information about consumers’ needs and preferences.

Market Share

The portion of a market controlled by a particular company or product.

Marketing Analytics

The measurement and analysis of marketing performance to optimise effectiveness.

Marketing Automation

The use of software to automate repetitive marketing tasks such as emails or social media posts.

Marketing Collateral

Media or content used to support the marketing of a product or service.

Marketing Mix

The combination of factors (product, price, place, promotion, physical evidence, process, people) that influence a customer’s decision. Also known as the 7ps.

Marketing Qualified Lead (MQL)

A prospect who has shown interest in a product or service and meets predefined marketing criteria for sales follow-up.

Material Design

A design language developed by Google that uses grid-based layouts, responsive animations, and depth effects.

Meta Description

A brief summary of a web page’s content, shown under the title in search results.

Meta Title

The title tag of a web page, shown in the SERPs as the clickable headline.

Metadata

Data that describes other data, such as meta titles and descriptions that summarise web page content for search engines.

Mobile SEO

Optimising websites for mobile devices to improve search engine rankings.

Mobile-First Indexing

Google predominantly uses the mobile version of content for indexing and ranking.

Mockup

A realistic visual representation of a design used to showcase how it will appear in the real world.

Module

A self-contained section of a web page or CMS that delivers specific functionality or content.

Mood Board

A collage of images, text, and samples used to convey a visual style or concept.

Multichannel Marketing

The practice of interacting with customers through multiple channels like email, social media, and physical stores.

N

Natural Link

A backlink that is earned organically without requesting or paying for it.

Negative Space

Another term for white space; the empty space around and between elements.

Node.js

An open-source JavaScript runtime built on Chrome's V8 engine, allowing JavaScript to be run server-side.

NoFollow

A link attribute that tells search engines not to follow the link or pass link equity.

NoSQL

A type of database that does not use traditional table-based relational database structures, suitable for large-scale data storage.

O

Off-Page SEO

SEO actions taken outside of your own website to impact your rankings within SERPs.

Omnichannel Marketing

A multi-channel sales approach that provides a seamless customer experience across platforms.

On-Page SEO

Optimisation techniques applied directly on the website, like content and HTML source code.

Opacity

The degree to which a colour or image is transparent.

Open Rate

The percentage of email recipients who open a specific email out of the total who received it.

Organic Traffic

Visitors who land on your website as a result of unpaid search results.

P

Page Authority (PA)

A score developed by Moz that predicts how well a specific page will rank on SERPs.

Page Speed

The time it takes for a page to fully load; a ranking factor.

Paid Traffic

Visitors who come to a website through paid advertisements.

Pantone

A standardised colour matching system used in printing and design.

PDF

Portable Document Format, a file format used to present documents consistently across devices.

Personalisation

Customising marketing content based on an individual’s behaviours, preferences, or demographics.

PNG

An image format that supports transparency and is ideal for graphics, logos, and illustrations.

PPC

Pay Per Click, a Google advertising model which charges you based on the number of clicks.

PPI

Pixels Per Inch – a measure of screen resolution.

Product Differentiation

The process of distinguishing a product from competitors to make it more appealing to a target market.

Product Lifecycle

The stages a product goes through from development and introduction to decline.

Product Positioning

How a product is presented to the market and perceived by consumers.

Product Range

The complete set of products a company offers for sale.

Promotional Mix

The combination of promotional tools used to reach the target audience.

Promotions

Marketing tactics intended to increase interest and sales of a product or service.

Proximity

Grouping related items together to create organisation and meaning.

PSD

Photoshop Document – a file format that supports layers and is used in Adobe Photoshop.

Q

Quality Score

A Google Ads metric that estimates the quality and relevance of keywords and ads.

R

R.O.I

Return on investment, displayed as a precentage - (Net Profit / Cost of Investment) * 100

RankBrain

A component of Google's algorithm that uses machine learning to understand search queries.

Raster

Graphics made of pixels, resolution-dependent and not scalable without loss.

React

A JavaScript library developed by Facebook for building user interfaces, especially single-page applications.

Referral

A visitor who comes to your site through a link from another website.

Repetition

Reusing elements throughout a design to create unity and consistency.

Resolution

The amount of detail an image holds, usually measured in DPI or PPI.

Responsive Web Design

Designing websites to adapt to different screen sizes and devices for optimal user experience.

REST

Representational State Transfer, an architectural style for designing networked applications using stateless communication.

Retargeting

Serving ads to users who have previously interacted with your website or content but did not convert.

RGB

Red, Green, and Blue – the colour model used for screens and digital displays.

Robots.txt

A file that tells search engine bots which pages they can or cannot crawl.

RSS (Really Simple Syndication)

A web feed that allows users to access updates to online content in a standardised format.

S

SASS

Syntactically Awesome Stylesheets, a CSS preprocessor that adds features like variables, nesting, and functions to CSS.

Saturation

The intensity or purity of a colour.

Schema Markup

Structured data code that helps search engines understand the content of your site.

Search Console

Google’s platform for monitoring site performance, crawling, and search visibility.

Segmentation

Dividing a market into distinct groups based on characteristics like behaviour, demographics, or interests.

SEM (Search Engine Marketing)

A form of internet marketing that involves the promotion of websites through paid advertising.

SEMrush Authority Score

A SEMrush metric indicating a domain’s overall quality based on backlinks, traffic, and trust signals.

SEO (Search Engine Optimisation)

The practice of optimising web pages to rank higher in search engine results and increase organic traffic.

SERP (Search Engine Results Page)

The page displayed by a search engine in response to a query.

Silo Structure

An SEO architecture that groups related pages together for improved topic relevance and user navigation.

Sitemap

A file where you provide information about the pages, videos, and other files on your site.

SPAM

Unsolicited and irrelevant messages sent over the internet, typically to a large number of users.

SQL

Structured Query Language, used for managing and querying relational databases.

SSL (Secure Sockets Layer)

A standard technology for securing an internet connection and protecting sensitive data.

SSL Certificate

A digital certificate that authenticates a website's identity and enables encrypted connections.

Style Guide

A document that outlines the visual standards for a brand or project.

SVG

Scalable Vector Graphics – an XML-based format for vector images.

T

Tags

Labels used in content management and social media to categorise or track content.

Target Audience

A specific group of people identified as the intended audience for a marketing message.

Technical SEO

Improving the technical aspects of a website to increase the ranking of its pages in the search engines.

Thin Content

Pages with little or no value to users, often penalised by search engines.

Tracking

The overall spacing between characters in a block of text.

Tracking Code

A snippet of code added to a website to collect data on user behaviour for analytics.

Typography

The art and technique of arranging type to make written language legible, readable, and visually appealing.

U

UGC - User Generated Content

Content such as reviews, testimonials, or social posts created voluntarily by users, which can enhance SEO and trust.

UI (User Interface)

The visual elements and layout with which a user interacts on an app or website.

UI Design

User Interface Design – concerned with the look and layout of a product's interface.

Unique Visitors

The number of individual users who visit a website over a specific time period.

URL (Uniform Resource Locator)

The address of a web page used to access it on the internet.

UTM Parameters

Tags added to URLs that help track the effectiveness of marketing campaigns through analytics platforms.

UX (User Experience)

The overall experience a user has when interacting with a website or application.

UX Design

User Experience Design – focused on enhancing user satisfaction by improving usability and accessibility.

V

Value Proposition

A clear statement that explains how a product solves a customer’s problem or improves their situation.

Vector

Graphics based on mathematical paths, scalable without loss of quality.

Version Control

The practice of tracking and managing changes to software code over time.

Viewport

The user's visible area of a web page on a device, used in responsive web design.

Vision Statement

A declaration of a company's long-term goals and aspirations.

W

Web Server

Software that delivers web content to users, typically via HTTP or HTTPS.

Webhooks

Automated messages sent from apps when something happens, used to send real-time data between systems.

WebP

An image format developed by Google that provides superior compression for images on the web.

Welcome Series

A set of introductory emails sent to new subscribers to familiarise them with a brand and its offerings.

White Hat SEO

By the book, recommended SEO tactics

White Space

The empty space around elements in a design, used for clarity and focus.

Wireframe

A visual guide that represents the skeletal framework of a website or app.

X

XML Sitemap

A file that lists all important pages on a site to help search engines crawl efficiently.

Z

Z-Pattern Layout

A layout pattern that follows the natural reading path of the eye, shaped like the letter Z.

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