Niche Directories
The second place it's important to have a link from is topic specific or niche directories. These are websites that are dedicated to news and information that is an exact match for what you provide online. If you have a website that deals with tractor parts, being listed on sites that focus on tractors is very important. In the case where a niche website doesn't know about your website, it's okay to ask them to link to your website. But your message should be personalized to them and also tell them the benefit or feature their users will get from linking to you.

Article Directories
Creating articles and submitting to article directories. Each article will have a link to your web site and hence create a source of inbound links.

Resource Sites
Another part of the web that helps build your link popularity is resource sites. Resource sites are lists of links that people put up on their own. These pages are often spread amongst friends and readers who find good information available from the resource. In order to reach this audience, a good PR campaign and press releases can ensure that these individuals know you exist and have a link to your website that they can easily include.

Sites With Existing Business Relationships
One of the most overlooked spots for building link popularity is links from partners and vendors for your business. Because you already have a business relationship with these companies or individuals, you are more likely to be able to request and receive a link from their website. These websites help validate your place online and also establish you within a community of websites online. If you are visible to the community, you are more visible to the search engines.

Link Appreciates with Age
Older the link greater is its value for search engines (old is gold).