Authentication

These are the top Authentication technologies based on market share in 2026.

# Technology Websites tracked Market share
1
Facebook Login
650,000
45%
2
Google Sign-in
380,000
26%
3
Apple Sign-in
92,000
6%
4
NextAuth.js
80,000
5%
5
Okta
73,000
5%
6
Linkedin Sign-in
44,000
3%
7
Clerk
39,000
3%
8
Auth0
27,000
2%
9
Keycloak
14,000
1%
10
Amazon Cognito
9,500
0.7%

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Websites in United Kingdom

Find websites using Authentication technologies in United Kingdom.

Websites in United States

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Companies with emails and phone numbers

Prioritize Authentication websites with both contact types available.

Top 5,000 websites by traffic

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Websites with a .com domain

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5,000 low-traffic websites

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