Simple, responsive, website with database of users, authentication, and CRUD.
Uses HTML5, CSS, PHP, MySQL, JS, JQuery, Bootstrap.
Nosql injection protection or to prevent users posting malicious html/js/etc, in either direction (adding to or retrieving from dB.)
Framework or MVC. Reuseablity, eg retrieve record and delete both share same code base, i.e select * from users and echo to table.
More protection on server, ie iptables
Apache.conf (virtualHost settings) redirect on / to to home.php
Add comments to code.
Work sql db - add more tables.
Remove users.db
Bootstrap better use of the container divs. Margin or border. Colour scheme. Glyph Icons.