I guess, In today's world of Internet business, if the owners need to get their website ranking at top of Search Engine Page Results. Then, they have to work on the important on-page factors.
For SERP keywords optimization is the most factor that affect the SERP, and if the website owners want to top the the Search Engine results for the targeted keywords, they are going to need the quality links for those keywords.
The linkbuilding helps a website to rank better in SE as well as brings traffic to the site.
searching engine submission
other web directory submission
link exchange with PR sites
one way link from PR sites
article submission and review
you tube videos
Make target and divide your time among various stuffs and implement this link building stuffs for your website.
Directory Submission? It's useful if you send your link into a quality directory, but there are several old none quality directories which are out of Google cahce . . . I need hardly say it's a big time consumption and in top most cases the submitted link will be approved after several months of your submission date.
Blog commenting? In our days we've two essential blog engines. One of them is the Google Blogger and the other is the WordPress. The setting of linking within a comment is always NOFOLLOW. Okay this default setting can be hacked but I'm sure the average user doesn't know anything about this possibility.
A linking with NOFOLLOW attr. is a big nothing for your webmarketing.
Login to your dashboard and click on the Layout Link. If you are already managing your blog, then click on the Template Tab.
Click on the Edit Html Sub-tab for Templates.
Now do a search for nofollow in your expanded template. You can either use your browser menu by clicking on Edit>Find in page or via the keyboard Ctrl-F. When the dialog box comes up, type in nofollow, and enter.
You should come across a line of code that looks something like this:
Basically google is your best friend, if you google your industry and add directory on the end, its your best bet. You will get some leads as to places where you can add your site. These will be beneficial because its your industry and applicable to your business thus trustworthy to search engines.