Drupal 8 is under active development, so sites should not be considered production-ready. Default credentials: will be written to a file called CREDENTIALS in your data directory. You will need to SSH into your app to access these.
PHP is a general-purpose server-side scripting language originally designed for Web development to produce dynamic Web pages. Popular development frameworks include CakePHP, Zend, Symfony, and CodeIgniter.
The leading open source web analytics platform. Piwik gives you insights on your website's visitors, your marketing campaigns and much more, so you can optimize your strategy and online experience of your visitors.