Off-page optimization means the SEO process that involves using off-site elements to elevate your search engine page rank and thus improve the focused visitor traffic to your web site. Off-page optimization takes into account important factors like link popularity and page rank for ranking your website.
Google employs Page Rank algorithm for off page ranking with more importance to off-page components for search engine placements. Off-Page optimization calculates the number of inbound-links using anchor text that contains your target keywords. The inbound links to your website stem from well-known websites with the same kind of content.
Yahoo uses Web Rank based on the number of incoming links to a site for ranking process. Some search engines also rank sites based on usage information. Off-page factors like link popularity to get higher search engine placement for our client’s websites are a part of our SEO strategy. We at Boston Massachusetts SEO consider these factors as most important in off page optimization:

Zeroing in on the website relevance that is linking to your site. It's important that a website that links to your site should be a well renowned one and must contain content that is the same as your own products and services. The page rank of your website. Is directly related to the Google page rank of each website linking to your site.

The area of relevance the linking site places on your site is indicated the Anchor text of each link to your site indicates. And because of this purpose, you must have your primary keywords in the anchor text. The text that is contained in the linking anchor text should not be the same in all the sites linking to your site.

The title of the web page that is linking to your site needs to be related to the site. It should also contain one of your keywords mentioned in its title.