I found this software. It is free and its meant for optic fiber high data speed. I installed in my pc with 4 mb internet and he optimized my connection. Heavy sites like Google plus homepage and the-verge open faster. Can you try it and write your experience with it.
https://support-en.upc-cablecom.ch/app/answers/detail/a_id/6139/~/upc-fiber-power-optimizer
https://support-en.upc-cablecom.ch/app/answers/detail/a_id/6139/~/upc-fiber-power-optimizer