Google Chrome Developers says:
The new WOFF 2.0 Web Font compression format offers a 30% average gain over WOFF 1.0 (up to 50%+ in some cases). WOFF 2.0 will be available from Chrome M36 (beta) and there on.
I have installed Googles compression library on a DigitalOcean (ref) server. Feel free to start the convert from TTF to WOFF2. No software installation required. Simply use your terminal window. Web developers, make your life easier and webpages faster!