⚡ Authentication in Denmark

Authentication services enable developers to integrate third-party authentication into their websites and applications, allowing users to sign in with accounts from identity providers such as Google, Facebook, Apple, Microsoft, and Discord.

Denmark is a Northern European country with a population of over 5.9 million people.

According to our statistics, authentication services are detected on 0.6% of websites from Denmark.

Statistics based on 23K+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top authentication services in Denmark in 2026, based on market share.

The most popular is Google Identity with a share of 23.4%, followed by Keycloak with 18.2% and Auth0 with 16.1%.

🚀 Highlights

Here is a list of the top services that are more popular in Denmark than worldwide.
Differences between global and country rankings are shown in parentheses.

✨ Best Authentication Services

Below is a more detailed list of 13 authentication services used on sites from Denmark, ranked by their market share.

RankNameMarket share
1
Google Identity
Mountain View, California, United States

A suite of services and APIs from Google that handles user sign-up, sign-in, and authorization across web and mobile apps.

Free
2
Keycloak
San Francisco, California, United States

An open-source identity and access management solution that provides user federation, strong authentication, user management, fine-grained authorization, and more.

FreeOpen source
3
Auth0
San Francisco, California, United States

A cloud-based identity and authentication management platform that allows developers to add authentication to their applications.

Free$35+/month
4
Google Sign-In
Mountain View, California, United States

A deprecated JavaScript library that has been superseded by Google Identity services for Web.

FreeLegacy
5
Facebook Login
Menlo Park, California, United States

A convenient way for Facebook's billions of global users to log into your app or website.

Free
6
Sign In with Apple
Cupertino, California, United States

A service provided by Apple that allows users to sign in to apps and websites using their Apple IDs.

$99/year
7
Auth.js
San Francisco, California, United States

An open-source authentication solution that integrates with Next.js, Nuxt, Qwik, and other modern JavaScript frameworks to handle user sign-in, session management, and access control.

FreeOpen source
8
Microsoft Identity Platform
Redmond, Washington, United States

A cloud identity service that allows your users and customers to sign in to your applications using their Microsoft identities or social accounts.

Free$6+/user/month
9
Amazon Cognito
Seattle, Washington, United States

A user identity service by Amazon Web Services that lets you add user sign-up, sign-in, and access control to your web and mobile apps.

Free tier$$$
10
Microsoft Entra ID
Redmond, Washington, United States

A cloud-based identity and access management solution.

Free$6+/user/month
11
Supabase
Singapore

An open-source backend-as-a-service platform based on PostgreSQL.

FreeOpen source$25+/month
12
Firebase Authentication
Mountain View, California, United States

A backend authentication service that enables applications to sign in users using email and password, third-party identity providers, email links, and phone numbers.

Free tier$$$
13
Okta
San Francisco, California, United States

A cloud-based identity and access management platform built around a centralized directory of user and customer profiles.

$1,500+/year

👉 See Also

🗃️ About This Data