A quality backlink pointing to your site must be in the same category and relevant content to your site. The page where your link is located should be indexed by Google and the page should also have a Google PageRank. The webpage where your link is located should also contain more than 30 other outgoing links to other websites. Link pages with more than 30 out going links are less relevant to search engines. Have your link posted on this type of webpage can affect your search engine rankings in a negative way. Other good techniques to acquire backlinks directory submissions, posting articles, blogs and forums.
For directory
submissions select the proper directory category and take a look at how many other websites are included in the category where your link will be sent if you can manage to get the first or second page of listings, it is a quality backlink. Also see on Google Pagerank on landing page for your link. If the page has a Google PageRank, this is also a quality backlink.
Stay within your category, relevant content is very important for search engines. Write an article any relevant content to your website and send the article to high quality article directories. Blogs are an excellent way to get quality one way backlinks, blog sites also get lots of traffic, which in turn gives your site more exposure. Posting your link on forum pages is also an effective method of acquiring backlinks instantly.
Backlinks to avoid would be a zero page ranked website, especially if the site has a zero page rank. Links posted within framed pages, which will also steal your traffic. Especially avoid link farms, web pages that contain more than 100 unrelated outbound links, this type of link page is frowned upon by many major search engines. Avoid Webpages with mirror sites that contain the exact same content with another URL, including pages that use redirects and URL cloaking. Never send your link on a Web page that contains a "no result" or "no index" robots meta tag in the source code. Dynamic websites with question marks in the URL should be avoided because they are not always indexed by search engines.
Avoid sending your link to a page that opens very slow or contains mostly ads and flash banners. Try not to acquire or buy large numbers of backlinks in a short period of time, backlinks should be accumulated gradually. Also avoid webpages and directories that list their results in alphabetical order, as their database increases your link could be moved to a less relevant page with less PageRank. Quality backlinks is one of the main factors involved in the process to obtain high search engine ranking.
