A simple page view counter that store data as text and shows the counter as a PNG image.
Host these files on a cheap / free PHP server somewhere. Create a image element that points to it. Don't forget to give write permission
HTML Image
<img src='https://my_cheap_server/imageCounter'>
MarkDown Image
![pageviews](https://my_cheap_server/imageCounter)
An example of this in use can be seen when you visit my GitHub profile page.