Steps to reproduce:

Old editor

1. Create a page, and go to Insert > Link > Web Link
2. Add the following URL:

   http://fpt.companyname.se/main/#location=backlog_item_list&filterString=&PDUs[]=Department
   

3. Save and try to go to the link.
4. You won't be able to click.

New editor

1. Create a page, and go to Insert > Link > Web Link
2. Add the following URL:

   http://fpt.companyname.se/main/#location=backlog_item_list&filterString=&PDUs[]=Department
   

3. Save and try to go to the link.
4. The link will be clickable but hovering over will show you are being directed to http://#

Workaround:

Users can try using link shorteners such as https://goo.gl/ or https://bitly.com/