Benefits of link building

very good,thanks a lot

Indeed, its so true you have described here. Link building is very good method for SEO to get your targeted keywords in SERPs in good time.

link building plays a very important role in seo optimization, 70% in link building while 30% in onpage optimisation.

The following are the benefits of the link building:

1.Links ARE Usability
2.Links Create Direct Traffic
3.Links Build User Trust in You
4.Links Build Search Engine Trust in Your Site
5.Links Tell Search Engines and Users What Your Pages Are About
6.Links Establish Your Site in 'Communities
7.Links Are Free Advertising
8.Links Are Trackable and Provide Market Intelligence
9.Links Reveal Strategic Partnerships
10.Links Are Assets - They Add Value to Your Property

Link building is a powerful way to get your website higher up the search engines.

Thanks for your nice input.
I think backlinks from niche relative sources should be useful but the backlinks from irrelevant sources would be useful, too.

And, usually, the main purpose of building backlinks is to boost your SERP.

Have a nice day,

Benefits of one way link building
1. No need to exchange links
Link exchanges can be frustrating and very time consuming because you need to find the right sites to exchange links with plus the response may be little or nothing. Most site owners delete these requests.
2. Keyword targeting
Internet users enter keywords in the search engines to find information. Targeting your specific keyword in the text of your one way link (known as anchor text) will increase your search engine visibility.
3. Branding
If you want to build brand awareness for your business name use it in the anchor text of your article resource box or when commenting on other blogs and forums.
4. Gain authority status
As you receive more backlinks, you attract more visitors. Over time your site will become known as the “go to” site for information on your topic. If your site appears on the first page of the search engine results’ pages, people will find it naturally when searching on your targeted keyword or business name.
5. Increase search engine rankings
Your site’s rankings increase in proportion to the number of links pointing to it. The more links you receive from other sites, the higher your rankings.
6. Boost web traffic
The number of visitors will increase because you are getting traffic from a variety of web site links. For example, if you get a one way link from a high traffic site some of their visitors will be redirected to your site. If your article gets posted on a popular site or ezine you may receive a sudden flood of visitors. If it remains there you’ll receive an ongoing source of traffic.
7. Receive return visitors
Visitors keep returning to your web site when there is new information that helps their business. Building lots of one way links will attract them to your site. If you want to keep them there, provide evergreen content. If it’s high quality content they will want to share it with other business owners.

Benefits of one way link building

No need to exchange links
Link exchanges can be frustrating and very time consuming because you need to find the right sites to exchange links with plus the response may be little or nothing. Most site owners delete these requests.
Increase search engine rankings
Your site’s rankings increase in proportion to the number of links pointing to it. The more links you receive from other sites, the higher your
Boost web traffic
The number of visitors will increase because you are getting traffic from a variety of web site links. For example, if you get a one way link from a high traffic site some of their visitors will be redirected to your site. If your article gets posted on a popular site or ezine you may receive a sudden flood of visitors. If it remains there you’ll receive an ongoing source of traffic.

Link Building is useful for getting the Good ranking and traffic.