Goto Solvay.com is used for creating Shortlinks when we are having big link to be embedded/ added inside content manager sometimes it won't worked for the correct URL also, it may have some special characters embedded in it like (%2F becomes /).
For the above scenarios we have to this Goto Solvay.com.
Here is the procedure how to use:
Try to open this URL in Chrome http://goto.solvay.com. Here is the screen to explain how to create short link,
In this sample we have explained creating short link for our confluence(wiki page) we have to use same procedure for other big links.

Sample ticket for future reference,
https://sbs-support.solvay.com/a/tickets/4010075
Example: