Google has announced that starting April 21 mobile-friendliness will have a significant impact in search results.
Update:(14.05.2015)
I can definitively give you the advice that you can improve your google search ranking by make your website responsive and mobile friendly.
If you want to access your bookmarks form different Mac’s you have to move your bookmark database in the cloud or on a server in your local network.
Maybe you like to checkout brand new Mac applications before there are available for the public ?
Florian has published a nice Webbla screencast on sevenmac.de .