Clue is a science-based, data-driven menstrual and reproductive health app. It is trusted by 10 million users globally. The app helps users understand their cycle, track fertility, navigate perimenopause, and manage menstrual symptoms. Clue is a CE-marked Class 1 medical-grade device, developed by a women-led team in Berlin, Germany. The app prioritizes data privacy, and does not sell user data.
This website is categorized in Sexual Health, Pregnancy and Healthy Living, providing comprehensive solutions across these business domains.
The website helloclue.com is built with 17 technologies.
Analytics
Datadog
Websites built with DatadogDatadog is a SaaS-based monitoring and analytics platform for large-scale applications and infrastructure.
Google Analytics
Websites built with Google AnalyticsGoogle Analytics is a free web analytics service that tracks and reports website traffic.
Version: UA
CDN
Amazon CloudFront
Websites built with Amazon CloudFrontAmazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds.
PaaS
Amazon Web Services
Websites built with Amazon Web ServicesAmazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.
Ecommerce
Cart Functionality
Websites built with Cart FunctionalityWebsites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
CMS
Contentful
Websites built with ContentfulContentful is an API-first content management platform to create, manage and publish content on any digital channel.
JavaScript libraries
Flickity
Websites built with FlickityFlickity is a JavaScript slider library, built by David DeSandro of Metafizzy fame.
JavaScript frameworks
Gatsby
Websites built with GatsbyGatsby is a React-based open-source framework with performance, scalability and security built-in.
Version: 5.9.1
React
Websites built with ReactReact is an open-source JavaScript library for building user interfaces or UI components.
styled-components
Websites built with styled-componentsStyled components is a CSS-in-JS styling framework that uses tagged template literals in JavaScript.
Version: 5.3.6
Tag managers
Google Tag Manager
Websites built with Google Tag ManagerGoogle Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
Security
HSTS
Websites built with HSTSHTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Miscellaneous
HTTP/3
Websites built with HTTP/3HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
Open Graph
Websites built with Open GraphOpen Graph is a protocol that is used to integrate any web page into the social graph.
Video players
Vimeo
Websites built with VimeoVimeo is a video hosting, sharing and services platform. Vimeo operation an ad-free basis by providing subscription plans.

Track your menstrual cycle with Clue, the #1 doctor-recommended free period tracker app built in collaboration with top health researchers.