UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36

Example URL:
reddit.com

Steps to reproduce the problem:
1. Go to reddit.com (or any rapidly changing site)
2. Observe content order
3. Click random link on site
4. Use back button
5. Observe the site being reloaded and content order changed

What is the expected behavior?
After using the back button the site should be just like before, not a reloaded version.

What went wrong?
Back button is causing the previous page to reload and change the order of content

Does it occur on multiple sites: N/A

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 66.0.3359.139  Channel: stable
OS Version: OS X 10.12.6
Flash Version: