The best off-page advice it to stay away from any black hat or grey hat SEO. Here is a list of good off-page practices after latest Google update:
Social media - profit from the popularity of Google +, Facebook, Pinterest, Tumblr, Twitter, Linkedin.
Local business - create profiles on Google Local, Bing Local, Yelp or YellowPages.
Document sharing - create quality documents, presentations, videos and distribute on Slideshare, Youtube, Scribd, etc.
Guest blogging - find relevant blogs, write and publish quality content.