Then, you usually go to your website template and try to find that code but you find nothing about that in the template. If you browse the front-end, you can find the code in source:
Actually, 000webhost inserts this script at the end of each your web pages named as Hosting24 Analytics Code. They are used to make some stats and counting for your websites which can be view in 000webhost CPanel. 000webhost provide Manage analytics code function to manage them at http://members.000webhost.com/analytics.php
To remove the code:
- Input your site domain and your password
- Choose Disable code
Remember that you will not able to get stats for your website from 000webhost. However, you can enable code every times.
That's all. Make some checks to see the result.