I suggest clicking on the link before asking obvious questions. "Whenever you see a short “g.co” link, you can trust that it will always take you to a Google p

I suggest clicking on the link before asking obvious questions. "Whenever you see a short “g.co” link, you can trust that it will always take you to a Google product or service. We also have a public URL shortener at goo.gl. You can use this to shorten up URLs across the web."