Always clearly label adult content. That said, if you have anything that may be bad, for example, adult images, video, audio, language.
Here are some websites that offers cool codes and scripts that you can add to your website. Quackit W3 Schools HTML Goodieshttps://guideforwebsite.wordpress.com/wp-admin/edit.php
1. Provide a tip of the day.
2. Host contests, sweepstakes, or giveaways.
3. Host polls on your site.
4. Have a free advertising week.
5. Host a link exchange.