Authentication

62 technologies in this category

Every Authentication technology tracked by Ful.io, ranked by how many websites use each one. Explore the tools in this category and see which platforms lead the market.

Facebook Login and RM Unify together are used by about 57.16% of all Authentication websites Ful.io tracks across 62 technologies. Facebook Login alone runs roughly 37.67% and RM Unify 19.49%.

3,361,834
websites tracked
across 62 Authentication technologies
Authentication websites over time
3,361,834websites on 11 Nov 2026
2,250,0002,500,0002,750,0003,000,0003,250,0003,500,0002026-09-232026-10-142026-11-012026-11-11
Authentication websites by countrymarket share · top 8 countries
🇺🇸United States
15%
🇩🇪Germany
4.8%
🇬🇧United Kingdom
3.6%
🇨🇦Canada
2.3%
🇦🇺Australia
2.3%
🇫🇷France
2.1%
🇮🇹Italy
2%
🇧🇷Brazil
2%
0%3.8%7.5%11%15%
Authentication category sharetop 10 technologies
Facebook Login · 38%RM Unify · 19%Google Sign-in · 10%Auth0 Lock · 8.5%Contao · 7.1%Auth0 · 3.9%Linkedin Sign-in · 3.1%Oxi Social Login · 3%Okta · 1.7%LINE Login · 1.2%Others (52) · 4.3%38%FACEBOOK LOG
Facebook Login38%
RM Unify19%
Google Sign-in10%
Auth0 Lock8.5%
Contao7.1%
Auth03.9%
Linkedin Sign-in3.1%
Oxi Social Login3%
Okta1.7%
LINE Login1.2%
Others (52)4.3%