Here are some of the off Page techniques you must use to get traffic with SEO
1. Develop High-Quality, Link-Worthy Content on your webpage. Give users extra thing so that they will share your article with others.
2. Perform a Backlink Audit and then try to get some fresh and google backlinks for your website.
3. Leverage Influencer Marketing and Try to push your website through any facebook, Instagram or quora influencer as per your niche
4. Social Media Marketing is on the top of list for off page SEO, So go social and try to get some traffic and link juice from networks