> ## Documentation Index
> Fetch the complete documentation index at: https://auth0.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Universal Login vs. Classic Login

> Compares features available in the Universal Login and Classic Login experiences

[Auth0 Universal Login](/docs/authenticate/login/auth0-universal-login) provides the essential feature of an <Tooltip tip="Authorization Server: Centralized server that contributes to defining the boundaries of a user’s access. For example, your authorization server can control the data, tasks, and features available to a user." cta="View Glossary" href="/docs/glossary?term=authorization+server">authorization server</Tooltip>: the login flow. When a user needs to prove their identity to gain access to your application, you can redirect them to <Tooltip tip="Authorization Server: Centralized server that contributes to defining the boundaries of a user’s access. For example, your authorization server can control the data, tasks, and features available to a user." cta="View Glossary" href="/docs/glossary?term=Universal+Login">Universal Login</Tooltip> and let Auth0 handle the authentication process.

Universal Login is Auth0's primary hosted login solution. [Universal Login](/docs/authenticate/login/auth0-universal-login/universal-login-vs-classic-login/universal-experience) features easy-to-use customization tools and promotes a simpler, faster experience for end-users. Alternatively, Auth0 also supports [Classic Login](/docs/authenticate/login/auth0-universal-login/universal-login-vs-classic-login/classic-experience), a hosted login experience that uses JavaScript controls for customization.

<Warning>
  At this time, Auth0’s active development efforts are focused on Universal Login, and Classic Login no longer receives updates. Unless your specific use case requires the Classic experience, implementing Universal Login is recommended.
</Warning>

To help you choose the best solution for your needs, the table below compares the features of both login experiences.

| Feature                                                              | Universal Login                                                                                                                                                                    | Classic Login                                                                                                                                                                     |
| -------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Adopt new features without changing HTML**                         | Yes                                                                                                                                                                                | No                                                                                                                                                                                |
| **Ongoing development and new feature additions**                    | Yes                                                                                                                                                                                | No                                                                                                                                                                                |
| **Lightweight HTML**                                                 | Yes                                                                                                                                                                                | No                                                                                                                                                                                |
| **JavaScript required**                                              | No                                                                                                                                                                                 | Yes                                                                                                                                                                               |
| **Customization**                                                    | Yes, using [page templates](/docs/customize/login-pages/universal-login/customize-templates) or the [no-code editor](/docs/customize/login-pages/universal-login/customize-themes) | Yes, using HTML, and only for login, multi-factor authentication (MFA), and password reset pages                                                                                  |
| **No-Code solution**                                                 | Yes, using the [no-code editor](/docs/customize/login-pages/universal-login/customize-themes)                                                                                      | No                                                                                                                                                                                |
| **Passwordless authentication**                                      | Yes                                                                                                                                                                                | Yes, with [SMS or Email](/docs/authenticate/login/auth0-universal-login/passwordless-login)                                                                                       |
| **Email magic link**                                                 | No                                                                                                                                                                                 | [Yes](/docs/authenticate/passwordless/authentication-methods/email-magic-link)                                                                                                    |
| **Passkeys**                                                         | [Yes](/docs/authenticate/database-connections/passkeys)                                                                                                                            | No                                                                                                                                                                                |
| **WebAuthn and device biometrics**                                   | [Yes](/docs/secure/multi-factor-authentication/fido-authentication-with-webauthn)                                                                                                  | No                                                                                                                                                                                |
| **Web Content Accessibility Guidelines (WCAG) Compliance**           | Yes                                                                                                                                                                                | No                                                                                                                                                                                |
| **Organizations support**                                            | [Yes](/docs/manage-users/organizations)                                                                                                                                            | No                                                                                                                                                                                |
| **Terms of service acceptance on signup**                            | Yes                                                                                                                                                                                | [Yes](/docs/libraries/lock/lock-configuration#showterms-boolean-)                                                                                                                 |
| **Custom fields on signup**                                          | Yes                                                                                                                                                                                | [Yes](/docs/libraries/lock/lock-configuration#additionalsignupfields-array-)                                                                                                      |
| **Full localization**                                                | Yes, in [these](/docs/customize/internationalization-and-localization/universal-login-internationalization) languages                                                              | Only for the login page                                                                                                                                                           |
| **Customizable localized text on all pages**                         | [Yes](/docs/customize/login-pages/universal-login/customize-text-elements)                                                                                                         | No                                                                                                                                                                                |
| **Email MFA**                                                        | [Yes](/docs/secure/multi-factor-authentication/multi-factor-authentication-factors/configure-email-notifications-for-mfa)                                                          | No                                                                                                                                                                                |
| **Voice MFA**                                                        | [Yes](/docs/secure/multi-factor-authentication/multi-factor-authentication-factors/configure-sms-voice-notifications-mfa)                                                          | No                                                                                                                                                                                |
| **Duo MFA**                                                          | Yes, but Duo must be the only MFA factor enabled                                                                                                                                   | Yes                                                                                                                                                                               |
| **MFA customization with Actions**                                   | [Yes](/docs/secure/multi-factor-authentication/customize-mfa/customize-mfa-selection-universal-login)                                                                              | No                                                                                                                                                                                |
| **Buttons for enterprise connections**                               | [Yes](/docs/authenticate/login/auth0-universal-login/identifier-first#define-home-realm-discovery-identity-providers)                                                              | No                                                                                                                                                                                |
| **Ability to disable self-service password recovery**                | Yes                                                                                                                                                                                | [Yes](/docs/libraries/lock/lock-configuration#allowforgotpassword-boolean)                                                                                                        |
| **Custom URLs for password reset and user signup**                   | Yes, using page templates **and** a custom-built password reset or signup page                                                                                                     | [Yes](/docs/libraries/lock/lock-configuration#forgotpasswordlink-string-)                                                                                                         |
| **Kerberos support for AD/LDAP connections**                         | No                                                                                                                                                                                 | [Yes](/docs/authenticate/identity-providers/enterprise-identity-providers/active-directory-ldap/ad-ldap-connector/configure-ad-ldap-connector-with-kerberos#auto-login-with-lock) |
| **Requires exposing identity provider domains in a public endpoint** | No                                                                                                                                                                                 | [Yes](/docs/get-started/tenant-settings#advanced)                                                                                                                                 |