You have nothing to lose with a job interview! If it goes poorly, or if you end up being rejected for the role, push on. One more interview is one more experience. Good luck!
Think of LinkedIn as the professional version of Facebook. Skip the memes and cat videos, and head back to the initial purpose of social media: to communicate.
It’s widely known that the first page of Google is more often than not the most reliable data, so creating those key phrases to get on the first page is vital.