⚡ Authentication in the Czech Republic

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.

The Czech Republic is a Central European country with a population of around 10.5 million people.

According to our statistics, authentication services are detected on 0.7% of websites from the Czech Republic.

⭐ Most Popular in 2026

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

The most popular is Facebook Login with an impressive share of 44.4%, followed by Google Identity with 42.7% and Google Sign-In with 18.4%.

🚀 Highlights

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

✨ Best Authentication Services

Below is a more detailed list of 12 authentication services used on sites from the Czech Republic, ranked by their market share.

RankNameMarket share
1
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
2
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
3
Google Sign-In
Mountain View, California, United States

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

FreeLegacy
4
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
5
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
6
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
7
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
8
Supabase
Singapore

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

FreeOpen source$25+/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
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$$$
11
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
12
Netlify Identity
San Francisco, California, United States

A plug-and-play microservice for handling site functionalities like signups, logins, password recovery, user metadata, and roles.

$99+/month

👉 See Also

Data is based on the analysis of 36,163 websites from the Czech Republic.
Statistics were last calculated on .
For details, see our methodology and disclaimer.