The recurring configuration is present on contribution page under amount tab. There you can select the units that you want user to select when doing donation or payment. The units supported by Civi are Year, Month, Week and Day Doc: https://docs.civicrm.org/user/en/latest/contributions/online-contributions/#amounts-tab


With the standard CiviCRM contribution page I don't know if this is possible. You can do this easily with Webform (on Drupal). Haven't tried yet but maybe Caldera forms (on WordPress) does the job.


It sounds like you're looking for the webtracking extension.

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