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This document provides a technical overview of the architecture and main key features of the Frosmo platform.

Table of Contents
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Frosmo platform at a glance

The Frosmo platform is a web UI development solution for improving website functionality and personalizing online user experience.

The Frosmo platform provides a fast and easy way to:

  • Customize and extend the content and functionality of a website, including adding completely new features
  • Segment visitors based on multiple criteria, such as where they are located or which pages they have visited
  • Display personalized content based on segmentation
  • Track conversions and conversion attribution
  • Measure visitor behavior and content use from multiple angles, such as how many times content is viewed or clicked

For an introduction to the platform, see Introduction to the Frosmo platform.

The following figure introduces the basic architecture and information flows of the Frosmo platform.

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  • The Frosmo JavaScript library handles the custom modifications to modifications to the website, manages segmentation, collects and sends usage data to the Frosmo back end, and fetches content to display from the Frosmo back end. By default, the library is stored on Amazon CloudFront, but Frosmo also supports other web services for hosting files.
  • The Frosmo back end stores the usage data collected by the Frosmo JavaScript library and processes the data for reporting and analysis and reporting purposes. The back end also stores data related to modifications, segments, and other configurable resources.
  • The Frosmo Control Panel manages the Frosmo JavaScript library (and pools analysis and report thereby how the website is modified and improved) and pools analytics data from the Frosmo back end.

The Frosmo platform is hosted on servers in Central Europe. However, Frosmo can also set up dedicated instances in specific market areas.

Frosmo platform architecture

The following figure shows the main components and subcomponents of the Frosmo platform architecture and the information flows between them.

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Figure: Frosmo platform architecture and information flows in detail

Frosmo JavaScript library

The Frosmo JavaScript library is the core component of the Frosmo platformFrosmo presence in the front end. The library runs on top of the a customer website in the visitor's browser. The library provides both the framework for the Frosmo platform to operate on the site and Frosmo's custom solutions for improving the site. The library is platform-independent and can be used together with existing web application frameworks, such as Angular and React.

The Frosmo JavaScript library consists of the following components, each contained in its own JavaScript filetwo script files:

  • The The Frosmo Core library implements implements the core functionality and services of the Frosmo JavaScript solution. The library manages modifications and segmentation, collects usage data and sends it to the Frosmo back end, and fetches modification content to display from the Frosmo back end. The  The library is the same for all customers.
  • The The Frosmo custom script contains contains the configurations for customer-specific modifications to the website. The script also contains the segmentation rules and all other custom code for the site. The and custom code specific to a single site. These are used to modify the content and functionality of the site. The custom script runs on top of the Frosmo Core library and is and is unique to each site (or group of sites managed as a single site). Changes made to a site in the Control Panel are automatically reflected in the custom script for that site.

The Frosmo JavaScript library is loaded in the browser through two script <script> elements in a web page's HTML source code, one for the Frosmo Core library and another the other for the Frosmo custom script. Apart from adding these two elements, no other changes to the web page are required to use the Frosmo platform. For more information, see Adding the Frosmo scripts to your site.

The Frosmo JavaScript library is optimized for fast loading. The Frosmo Core library is only 50 KB in size, while the Frosmo custom script usually ranges between 16-32 KB.

Info

The Frosmo JavaScript library is often referred to simply as the Frosmo scripts.

Script hosting and delivery

The Frosmo platform uses content delivery networks (CDNs) to deliver the Frosmo JavaScript library and any Frosmo-specific media files used on websites. A CDN is a network of global servers connected to each other and used to store and deliver web content, such as images, videos, stylesheets, and JavaScript files. When a visitor browses a site, the content of the site is delivered by the CDN server geographically closest to the visitor, decreasing page load time.

By default, the Frosmo JavaScript library files are delivered through Amazon CloudFront, which serves the files using the CloudFront servers closest to the website visitor. Frosmo can also use other services CDNs based on customer requirements.

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The Frosmo platform uploads the custom script and associated media files (ones added directly to modifications) to the CDN every time they need to be updated, that is, every time something on your site is changed using the Control Panel. The assets are always exported to CloudFront and, when needed, copied from CloudFront to other CDNs.

Frosmo data layer

The Frosmo data layer can be used Customers can use the Frosmo data layer to implement basic data tracking by themselves, rather than have Frosmo do it in the custom script.

The data layer allows you to pass information from a web page to the Frosmo JavaScript library. The library then sends the information to the Frosmo back end. The library can also use the information directly in the browser to, for example, display content or manage segmentation. You . The exact behavior depends on how the Frosmo platform has been configured for your site.

You can pass information about the following events and items through the data layer:

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For more information about the data layer, see Frosmo data layer.

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Frosmo Control Panel

The Optimizer API takes the data collected by the Frosmo JavaScript library and stores it in the Frosmo back end. The data is stored using a dedicated process, which ensures that no data is lost even if the website or the messaging component of the Frosmo JavaScript library becomes unavailable.

To secure the data during transit between the website and the Frosmo back end, the Frosmo JavaScript library communicates with the Optimizer API over an HTTPS connection.

Message API

The Message API retrieves content to be displayed to visitors from the Frosmo back end. The Message API uses segmentation data and previous usage data to dynamically select suitable content for the visitor.

The Message API also tracks what content is shown to whom and how many times.

Custom APIs

A custom API is a customer-specific API created for a specific purpose that cannot be realized using the other APIs or the Frosmo JavaScript library. Frosmo creates custom APIs as needed.

Custom APIs are typically used to:

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Control Panel is the main Frosmo application for customizing and monitoring websites. In a nutshell, the Control Panel allows you to:

  • Configure how the Frosmo platform modifies content and segments visitors for a site.
  • Monitor how well the modifications and segmentation perform on the site.

The Control Panel is responsible for managing the Frosmo JavaScript library.

The Control Panel uses the Graniitti API to access the Frosmo back end, and to deploy the Frosmo custom script to the CDN.

For more information about the Control Panel, see Introduction to the Frosmo platform and User Guides.

Graniitti API

The Graniitti API provides access to the data in the Frosmo back end. The API allows client applications to, for example, retrieve and create modification configurations, and retrieve usage data collected by the Frosmo JavaScript library.

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  • Provide data to custom dashboards and management UIs.
  • Provide an outside access point to usage data that is collected and stored by the Frosmo platform.

Frosmo Control Panel

The Control Panel is the Frosmo UI for website management and data analysis. Each customer has access to a dedicated Control Panel for their site(s).

The Control Panel provides the following core features:

  • Create and manage modifications.
  • Define visitor segmentation.
  • Manage audience activation campaigns for ad serving.
  • View analytics data for conversions, modifications, segmentation, and other components. Daily summary reports are updated at night as they require more time to process. Other data is usually available within a few minutes.

The Control Panel is responsible for managing the Frosmo JavaScript library and uploading the library to the file hosting service.

The Control Panel uses the Graniitti API to access the Frosmo back end.

Message API

The Message API retrieves content to be displayed to visitors from the Frosmo back end. The Message API uses segmentation data and previous usage data to dynamically select suitable content for the visitor.

The Message API also tracks what content is shown to whom and how many times.

Optimizer API

The Optimizer API takes the data collected by the Frosmo JavaScript library and stores it in the Frosmo back end. The data is stored using a dedicated process, which ensures that no data is lost even if the website or the messaging component of the Frosmo JavaScript library becomes unavailable.

To secure the data during transit between the website and the Frosmo back end, the Frosmo JavaScript library communicates with the Optimizer API over an HTTPS connection.

Custom APIs

A custom API is a customer-specific API created for a specific purpose that cannot be realized using the other APIs or the Frosmo JavaScript library. Frosmo creates custom APIs as needed.

Custom APIs are typically used to:

  • Return specialized data to the browser, such as data stored in a customer's back-end system or data read from a feed.
  • Send data to another service, such as email addresses to a mailing list for marketing automation purposes.

Modifications

In the Frosmo platform, a modification is a managed piece of code that changes the content, appearance, or behavior of a web page directly in the visitor's browser. The code can consist of HTML, CSS, and JavaScript, in any combination. The purpose of a modification is to improve the user experience or usability of a website in some specific way. For example, modifications can be used to improve the sales funnel of an eCommerce site, leading to an increased conversion rate.

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Frosmo platform administrators manage modifications in the Control Panel.

In terms of graphics and other media, Frosmo prefers to use the existing content on the site or content procured by the customer through their own CMS system. Customers deliver the content to Frosmo by providing us with access to their content management system (CMS). The Frosmo team then adds the content to the site using the Control Panel.

Data gathering

The Frosmo JavaScript library collects usage data in the visitor's browser and sends the data to the Frosmo back end over an HTTPS connection. The library sends the data in the background so as not to interfere with the visitor's user experience.

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The Frosmo JavaScript library also stores selected data locally in the browser.

Product data

The Frosmo platform collects product data from predefined product pages. Product data can include several attributes, such as:

  • Product name
  • Product category
  • Product image URL
  • Regular price
  • Discount price
  • Campaign name

The Frosmo platform can track product views and purchases separately for each visitor.

The preferred method for implementing product tracking is to use the Frosmo data layer.

Segmentation data

Segmentation is the process of assigning visitors to predefined groups called segments based on their behavior on a website. A visitor can belong to multiple segments at the same time, and the segments they belong to can change over time as they browse and interact with the site. The segmentation data for a visitor is a list of segments to which the visitor currently belongs.

Here are examples of common segments:

  • New/returning visitors
  • Visitors who have viewed a specific page
  • Visitor's geolocation

The Frosmo platform can also use custom segmentation rules if needed, such as segmentation based on information passed through the Frosmo data layer.

Visitor data

By default, the Frosmo platform collects only anonymous information about visitors and their behavior on a website. The platform does not collect personal or otherwise sensitive information, such as visitor names or credit card numbers.

The Frosmo platform tracks visitor behavior by collecting data about a visitor's actions on the website. Tracked actions can include, for example:

  • Conversions
  • Modifications or other content the visitor sees or clicks
  • Number of visits to the website
  • Time spent on the website or on a specific page

In addition to collecting anonymous information, the Frosmo platform can collect additional information about visitors from login and registration pages, including personal information, such as email addresses and phone numbers. However, this type of data collection can only be done with the consent of all involved parties, since collecting personal information may require changes to the customer's data protection statement. If implemented, the Frosmo platform will collect the information for the sole purpose of passing it on to the customer's system. The information will not be stored in the Frosmo back end.

Locally stored data

In addition to sending data to the Frosmo back end, the Frosmo JavaScript library stores data in the browser's local storage and cookies. None of the library's core features require the use of cookies, so storing data in cookies can be disabled, if necessary. Local storage, in turn, is a safer way to manage data, since web servers do not have access to it.

Local storage is used for most of the data that is not sent to the Frosmo back end and also for some data that is sent to the back end. Depending on the website, the Frosmo JavaScript library can use either the site's default, origin-specific local storage or, if data needs to be shared between multiple origins, a cross-origin local storage implemented using an inline frame (iframe), also known as a shared context. A common example of the latter is a site that uses both HTTP and HTTPS to deliver a service. This requires data to be shared between two origins. Using a shared context allows the origins to be treated as one and the same, which in turn allows the data to be stored only once and the visitor to be treated as a single user within the service.

The following visitor-specific data is stored in local storage:

  • User ID
  • Segmentation data
  • Custom data, if defined

The following data is stored in 1st-party cookies:

  • Frosmo keywords: Target group data for ad campaigns (set only if target groups are used)
  • Frosmo preview tool: Used by the modification preview tool (set only for preview tool users)
  • Frosmo quick context: Data needed for cached modifications (visitor-specific user ID and segmentation data; set only if cached modifications are used for the website)
  • Frosmo ON/OFF: Used to enable and disable the Frosmo JavaScript library (and thereby the Frosmo platform as a whole) for the website, usually for debugging purposes
  • Frosmo UID: Used to retrieve visitor-related data from the Frosmo back end (set only for Apple devices)

The following data is stored in 3rd-party cookies:

  • Globally unique browser ID: Used to identify the browser across different domains and websites

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is mainly used for content targeting.

For more information about what specific data the Frosmo platform collects, see Data gathering and handling.

Integration with external systems and services

The Frosmo platform can integrate with customers' back-end systems and other online services, such as analytics platforms and email marketing servicesas analytics, marketing automation, and content management systems.

Integrations are typically used for synchronizing segmentation data between the Frosmo platform and a customer's back-end system, or for using the collected usage data outside the customer website. Integrations also allow the Frosmo platform to input data about displayed or clicked content directly into a web analytics tool, such as Google Analytics.

You can integrate the Frosmo platform with, for example:

  • Analytics tools: By default, the changes made on a site using Frosmo are not included in web analytics tracking. It is therefore important to integrate Frosmo to the analytics tools you use so that you have a clear understanding of what is happening on your site.
  • Marketing automation solutions: The Frosmo platform can help you to make the most of it by effectively gathering data you can then use to target your marketing efforts to the appropriate audience. You can set up integrations with, for example, ad platforms and email services.
  • Data management platform (DMPs): As with many other systems, extracting useful data from DMPs can be laborious and requires the use of multiple APIs. The Frosmo platform can be used as a master API, an interface for all data calls between your DMP and your website.

Here are some examples of common integrations:

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  • Adform
  • Adtech
  • DoubleClick
  • Emediate
  • Google AdWords
  • KliKKi

Frosmo platform security

The Frosmo platform can limit customer access to the Control Panel by IP address. This restricts access to the customer's dedicated Control Panel to Frosmo premises and to the IP addresses specified by the customer.

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For more information, see Frosmo security Security overview.

Browsers

Supported browsers

The following tables list the officially supported browsers for the Frosmo JavaScript library and the Control Panel. Both may work on other browsers and browser versions as well, but Frosmo does not officially support these.

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BrowserVersion
FirefoxLatest version
Google ChromeLatest version
Internet Explorer (IE)11 or newer
Microsoft EdgeLatest version

Ad-blockers and content filtering software

The Frosmo platform is not on any known basic ad-blocking lists.

Some privacy lists and software block the Frosmo platform, for example, EasyList, F-Secure Freedome VPN (when tracking protection is enabled), and Ghostery (when the "Beacon" category is selected).

Private browsing

The Frosmo platform interprets an incognito browsing session as a new visitor. This means that no segmentation data or other data previously stored in the browser is available for the session. Each new incognito session is counted as a new visitor.