Off-Page SEO technique is important for keyword ranking because all the Off-Page SEO techniques utilizes keywords in the form of link, title, anchor text.
Off page can help to build a strategy and promote a website to earn more traffic from different types of websites and improve rankings in search engines. Because if we submit in diiferent related sites, search engines chance to get more information about websites and chance to read more times.
Off page techniques are important for keyword ranking because off page techniques through you can get quality back-link and your website high rank on SERP.
To improve your SEO keyword you have to do some technique like on page SEO and off page SEO. Make sure that your off page SEO technique should be strong and effective. Add blog to your website identified with your keyword. Make quality backlinks for that blog or keyword. Quality content created specifically for your intended user increases site traffic, which improves your site's authority and relevance. Identify a keyword phrase for each page.