⚡ Authentication in Greece

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.

Greece is a Southern European country with a population of around 10.3 million people.

According to our statistics, authentication services are detected on 0.8% of websites from Greece.

Statistics based on 20K+ analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is Facebook Login with an impressive share of 40.3%, followed by Google Identity with 34.7% and Google Sign-In with 15.3%.

Facebook Login 40.3%
Google Identity 34.7%
Google Sign-In 15.3%
Sign In with Apple 8.5%
Firebase Authentication 3.4%
Supabase 2.8%
Microsoft Identity Platform 2.3%
Amazon Cognito 1.7%
Keycloak 1.1%
Auth0 1.1%
Shibboleth 0.6%
Auth.js 0.6%
Netlify Identity 0.6%

🚀 Highlights

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

1. Facebook Login ^(-1)
4. Sign In with Apple ^(-1)
5. Firebase Authentication ^(-4)
9. Keycloak ^(-1)
11. Shibboleth ^(-7)
12. Auth.js ^(-2)
13. Netlify Identity ^(-2)

✨ Best Authentication Services

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

Rank	Name	Market 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	40.3%
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	34.7%
3	Google Sign-In Mountain View, California, United States A deprecated JavaScript library that has been superseded by Google Identity services for Web. FreeLegacy	15.3%
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	8.5%
5	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$$$	3.4%
6	Supabase Singapore An open-source backend-as-a-service platform based on PostgreSQL. FreeOpen source$25+/month	2.8%
7	Microsoft Identity Platform Redmond, Washington, United States A cloud identity service that allows your users and customers to sign in to your applications using their Microsoft identities or social accounts. Free$6+/user/month	2.3%
8	Amazon Cognito Seattle, Washington, United States A user identity service by Amazon Web Services that lets you add user sign-up, sign-in, and access control to your web and mobile apps. Free tier$$$	1.7%
9	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	1.1%
10	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	1.1%
11	Shibboleth Bristol, United Kingdom A SAML-based single sign-on web application that is widely used in academic organizations. FreeOpen source€2,750+/year	0.6%
12	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	0.6%
13	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	0.6%

👉 See Also

🌎 Authentication in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 20,989 websites from Greece.
We currently track the presence of 20 authentication services across the web.
Of these, 13 were detected on websites from Greece.
Statistics were last calculated on May 5, 2026.
For more details, see our methodology and disclaimer.