Google problem

I use FF. This happens only on google.com when I select a text from search r###lt title, the title link opens.

Edit:
I have found the reason: Google search link fix add on below. I found another add on for it and problem solved.

https://github.com/palant/searchlinkfix

If you like to use userscript: https://greasyfork.org/en/scripts/568-direct-google