What is Link Building?

To index in Google you should have at least one incoming link from other site that is already indexed in Google so that when Google will crawl that website the crawler will follow link that are coming to your website and then your website will be crawled.

Link-building is a tedious, long-term strategy. It takes time and effort to get links placed on another site, more time for the search engines to find the links, and more time for them to include those links in the ranking algorithm.

Before we begin with link building Your website must contain high-quality, useful, timely content that people will actually want to link to. so you need to spend more time creating unique and relevant content, and less time on pictures, flash, frames and some other type of graphics, because crawler cant read these thing, they can read only the text in your site, so this point should be kept in while developing a site.

What is the need of links.

Link building is the main part of SEO and SEO is a type of Search Engine Marketing. So for effective Search Engine Marketing, we need a Effective Link Building

Obtaining links from other websites is a time-consuming process. However, without other sites that link to your site, you will likely not rank well on Google for your keywords. More businesses fail to get rankings in Google because of an insufficient number of quality links than any other competitor. Your objective is to obtain the highest number of high quality links. Having lots of links is also important for bringing traffic to your site. By growing and maintaining an active link exchange effort, your traffic risk can be decreased. Link-building also makes you immune to tweaks in search engine algorithms. Links are forever. Each link individually won’t drive much traffic to your site, but hundreds of links in the aggregate will over time. Traffic you receive from links on many different sites may eclipse traffic you obtain from Google in the long term.

So for high ranking you should have maximum inbound link

Quality of Links

There are many factors that tell the quality of link

1. No link farms, ffa’s, gambling, pharmacy, illegal, violent, or hate-based, blogs, classifieds, dynamic links or generally black hat links
2. Links page is reached from homepage in maximum 2 clicks
3. All links pages where links appear are indexed and cached by Google
4. All links are from unique C Class IP addresses. One Link Per DOMAIN
5. Page are not disallowed by robots.txt and NO rel=nofollow links in the code.
6. No commercial web rings or link exchange programs like Linkpartners.com, LinksToYou.com etc.
7. No redirects, JavaScript links, hidden links or links on any site that seems to have incurred a Google penalty. Only ethical work will be done.
8. A report indicating the URL where the links can be found will be given.
9. Not too many links from directories.
10. English language web sites only
11. Link page will not contain more than 50 links on the page.

Google gives more weight age if your links is coming from high PR. Taking links from .gov and .edu website also gives importance to your website
The following are some factor that should be kept in mind while doing link exchange

Off page link factor
It includes that portion of the Google algorithm that determines page importance means the page rank. If you are taking link from pr 3 page will provide more importance to your site than taking links from pr 1 or pr 0 site.

Link quality factor
Quality of links is equally important to number of links. Today quality of links highly matters for a site, quality of links includes - relevancy of site from where you are taking links, number of links on that page, position of your link on the site - means he is providing you link on home page or link page. Links on home page provides more weightage than any other page on the sites.The following points should kept in mind while exchanging link with other sites -

1. Text of the link – does it contain your keywords? (This very important)
2. Text of other links on the same page – do they also contain, or are similar to, your keywords?
3. Is the link contained in a paragraph on the page, surrounded by related text. Such links are weighted more than links that are listed on a page without any other text, such as in the footer of a page or a Sponsored Links section.
4. Title of the linking page – does it contain, or is it related to, your keywords?