The world has already gone mobile. Sooner or later your organisation will redesign its websites and intranets accordingly.
Everyone knows this, and the best way to prepare for the inevitable is to scour all irrelevant, superfluous and outdated content from your websites and restore the remainder to good health.
We could (and we often do) explain the difference between 'you're' with an apostrophe and 'your' without an apostrophe. Many, many people trip up on this pair of similar words. If that includes you, each time you waste a few seconds thinking about it. Or looking it up. Or using a grammar check, and wondering whether to trust it.