Drupal 8 has got a robust built-in and secure user registration system. Collect customer information, user preferences to make a unique user journey.
2. Open Source
Scalable, efficient, highly performing and SEO friendly Dupal CMS. Our Government Intranet project has got more than 50,000 registered users.
Read our article on how to use and configure Drupal to use Simple XML sitemap, Meta Tags, Keywords, ALT and titles on images.
If you cannot find a module that does exactly what you need then need to write a custom module. First try to find the same functionality..