UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36

Example URL:

Steps to reproduce the problem:
1) Find two identical strings in browser web page.
2) Do Ctrl + F, so count will be 1/2 ( 2 is total count )
3) Now, delete one of them, count won't be updated.
4) We need to do Ctrl+F again to get 1/1

What is the expected behavior?

What went wrong?
Dynamic update won't happen

Does it occur on multiple sites: Yes

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: 63.0.3239.132  Channel: n/a
OS Version: OS X 10.12.6
Flash Version: