We increase conversion rates and revenue for some of the world’s largest brands, retailers and travel companies. They trust us to improve the digital experience for their customers to give them the confidence to buy online.


Above The Fold: The top section of a webpage that is visible to users without scrolling.
A/B Testing: The top section of a webpage that is visible to users without A method of comparing two versions of e.g. a webpage, design or message, with the goal to determine which one performs better. The comparison is achieved by splitting visitor traffic into control and treatment, and displaying variant A to one group, and variant B to another.
Add-to-Basket (ATB): The action of adding a product to a basket page. Amazon Web Services (AWS): A cloud hosting provider.
Application Program Interface Requests (API Requests): A method of communication between software, e.g. a specific application and a programmer. It describes what functionality is available, how it should be used, and what format it will accept and return.
Asynchronous: A process which runs independently of other processes, e.g. asynchronous javascript will send a request to server, and continue executing without waiting for a reply.
Authority Messaging: Messaging to help shoppers make decisions based on brand influence, e.g labelling an item a ‘top pick’, or a ‘must have’. Users are influenced by authority messaging based on their perception of, and trust in, a particular brand.
Average Order Value (AOV): The typical total amount a customer spends each time they place an order. AOV is calculated by dividing total revenue by the total number of orders.


Basket Abandonment: The action of adding an item to the basket, but exiting without completing the purchase.
Basket Abandonment Rate: A measurement of the ratio of completed purchases against abandoned basket pages.
Below the Fold: The webpage section that is not immediately visible to a user when the page loads. Users will need to scroll to be able to see below the fold.
Blog: An online publication written in an informal or conversational style, covering a range of topics from opinion, business announcements and industry related news. In an eCommerce context, blogs are frequently used as a marketing tool.
Bounce Rate: The percentage of visitors leaving a site after having only viewed the page they landed on, without visiting another page or completing an action.
Brick & Mortar: A business with at least one physical store location.
Business-to-Consumer (B2C): A business model describing direct sales to an individual consumer.
Business-to-Business (B2B): A business model that describes one business selling directly to another business.


Call-to-Action: A website prompt telling users to take a specified action. This may include asking users to click on a link or a button to complete an action such as subscribing to a newsletter, or adding a product to basket. Call-to-action prompts are usually visually striking and designed to stand out on a webpage.
Capacity: The amount of API requests contained for Taggstar during a particular time period.
Case Study: A factual, documented and detailed account of a specific experience with a business or product, used as an example of success of the product or service.
Click-Through Rate: The number of site visitors who follow a link to a particular website or webpage.
Conversion: A numerical count of a user’s completion of a predetermined goal. Usually, this describes the process of a visitor converting into a customer, by completing a purchase.
Conversion Rate: A metric that divides the number of visitors to a webpage by the number that complete a particular action or process (usually to complete a purchase). Conversion rates are a measure of eCommerce success.
Conversion Rate Optimisation: The process of actively trying to increase the percentage of visitors that convert to customers.
Crowd Behaviour: The behaviour of a group of like-minded individuals.
Crowd-Powered: Refers to something that is sourced from, and created by, the actions, behaviours and patterns of the crowd.


Data Layer: A Javascript object that organises and structures data in a universal manner. The data layer can contain a variety of data, from user interaction data, which is collected as a visitor browses a website, eCommerce data such as a product ID, price, quantity, and static data such as page name or URL.
Dashboard: A central web based console providing real-time insight into important data. Including key performance indicators, usage, reports on recent experiments and possibilities for optimisation.
Dynamic Audience: A live audience that changes in real-time.


eCommerce: The name given to the buying and selling of products and goods over electronic networks, including the internet, or mobile applications.


Full Funnel: The entire eCommerce journey of a customer. Starting from when they first land on a page, and ending in them completing a particular goal, usually completing a purchase.
Fully-Responsive: A design that works equally well across all devices, desktop, mobile and tablet by detecting a visitors screen size and changing the layout of the webpage and its features accordingly.


Incremental Revenues: A form of additional revenue.


Javascript: A programming language which is used to make webpages interactive and dynamic.
Javascript Tag: A small piece of Javascript code that can be executed through a Tag Manager or placed natively onto a webpage.


Key Performance Indicator (KPI): Predetermined measures that are used to evaluate the overall performance and success of a business.


Long Tail: Products that sell at a slower rate and in small numbers (usually the opposite of best sellers).


Message Request: An API request in which a social proof message is shown.
Micro-Conversion: A small step completed by a visitor on the journey to the goal of completing a purchase. A micro-conversion can include signing up to a newsletter, reading a blog, or a click through from PDP to basket page.
Monetisation: Providing customers with real-time messages on an eCommerce website to enable customers to make buying decisions and in turn, create more revenue for businesses.
Multi-Channel Retailing: The term given to selling products through more than one avenue. For example, selling online, in store through social media and marketplaces.


Non-Blocking: The process of describing code that loads without interfering with any other code executed on page load.
Non-Disclosure Agreement (NDA): A written contract in which one or two parties agree not to share sensitive or confidential information that has been revealed to them, as a necessary part of doing business together.
Nudging: The process of encouraging without pressuring.


Optimisation: The process of making a product or process its most effective.


Platform Agnostic: A product that runs equally well across any computer operating system, commonly referred to as cross-platform.
Popularity Messaging: Messaging that presents how in demand a particular product is. Popularity messaging will typically display how many others are looking at the product and how many times it has been added to basket in a given window of time.
Principles of Persuasion (Robert Cialdini): These principles include: reciprocity, commitment and consistency, social proof, authority, liking and scarcity.
Product Page: A web page showing details about a single product selected from a product list page.


Quality Assurance (QA): A process applied to a set stage or stages, in order to guarantee a high standard, eradicate possible errors and ensure optimum performance.


Real-Time A dynamic process changing virtually immediately in actual time.
Return on Investment (ROI): Almost always expressed as a percentage. Referring to the percentage return of spend, versus the income gain back from the investment.
Review Messaging: Messaging that contains critical feedback and assessment from previous customers in regards to a specific product. Review messaging can contain information about quality, fit and value for money.
Robert Cialdini: The author of ‘Influence: The Psychology of Persuasion’ which features the six universal principles of persuasion.


Sales Conversion: Referring to when a potential customer completes a purchase.
Session: A group of interactions one user takes within a given time frame on your website.
Sales Funnel: A visual representation of the customer journey, ideally ending in a sales conversion.
Scarcity Messaging: Messaging that presents information on low stock levels, this type of messaging encourages a customer to buy now due to fear of missing out.
Social Proof: A psychological and social phenomenon whereby a person, or people, who are unsure on the correct behaviour will look to imitate others and outsource their decisions.
Social Proof Messages: Crowd-powered messages that inform customers about the buying behaviour and decisions of other shoppers. These messages are categorised into popularity, scarcity, authority, reviews, trending and urgency.
Social Proof Metrics: The typical total amount a customer spends each time they place an order. AOV is calculated by dividing total revenue by the total number of orders.
Synchronous: A process which is dependent on others, e.g. script that stops and waits for the server to send back a reply before continuing.


Tag Manager: A system used to manage Javascript and HTML tags for analytics and tracking on a website.
Taggstar Coverage The number of times we show a message versus the number of page loads. This could be product list page, product display page or basket page loads - this is shown as a percentage.
Traffic: The number of visitors that a particular page or site receives.


Urgency Messaging: Messaging designed to nudge shoppers to swift action, usually by presenting time limited offers.
Usage: A count of how many API requests a customer has used against their capacity.
User Experience (UX): The overall experience of a person using a particular website, product or service. It encompasses how they feel and interact with the website, product or service in question.
User Interface (UI): The design and presentation of the user experience, how it looks and feels.
Uniform Resource Locator (URL): A web address.


Website: A virtual location with a unique web address which can be accessed with an internet connection.
Web Page: A digital page found within a website; this can contain graphics, text, videos and hyperlinks.
Window: The length of time used to collect social proof data and metrics.

Don’t take our word for it, hear what our customers say.

"Our tests are conclusive: customers who see Taggstar’s messages are more likely to checkout and spend more. Taggstar has been the single biggest driver of incremental revenues".

Jonathan Wall

eCommerce Director

“Considering all of the tests we’ve run with Taggstar have been a big success, it means that we’ll always try and take that dynamic and apply it elsewhere”.

Paul Hornby

eCommerce Director

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2.7% increase in conversion rate

Achieved with the addition of social proof messaging.

£14m in incremental revenue

Adding social proof messaging was the single biggest driver of incremental revenues.

400 messages per second

Number of messages shown to customers during Black Friday 2016.

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6.98% uplift in conversion

Taggstar delivered a futher 6.98% uplift when social proof messaging was added to Product List Page

80 million messages sent

Taggstar sent over 80 million messages for Matalan over the course of the testing period

14 message types used

All fully customised to reflect Matalan's tone of voice and brand style

View our customers