These days we commonly hear the term link building, when we talk about popularity of websites and their ranking on search engines. Links are just like the passages which connect different websites with each other. Search engines can recognize that how they are related with each other. Strong links ensure higher ranking, and if your website has more links with other website, which are relevant to your website, you will get better ranking. Here we are talking about basics of link building.
Use of proper keywords or anchor text is important, in terms of link building. Many websites having appropriate keywords point to a single website, the ranking of that particular website will be higher than many others. The originality of link sites is also important. If your website is linked with spam sites, the search engines will detect them. In return, your website will go lower. So, try to build your links with those sites, which are original and have some information. Spam website will be detected by the search engines and such links will be of no use for your website.
These day bloggers with links are posted on different site. SEO experts do these manually; automatically posted links are not reliable. Sometimes these links are self created. For this purpose, guest signing and forum signature are used. Blog comments are also in the same category. The value of these self created links in not that higher, but they affect ranking one way or the other. Building of significant links is important. You can do it by using the real and original websites, either they are created by others or you have created them for the link building purpose. Spam will be detected by the search engines, so go for genuine link building and take your website higher in ranking.
Buying links is also good but you have to be really careful on the way or where you get your links from, always use well reputation websites to find the best deal.