Other Sites Linking Towards Your Site
Links to your site help readers find you
These links create opportunities for your readers to find you while they are browsing other sites. Search engines also perceive your site as being more useful if they see that other sites link to it.
The more high quality links you have to your site, the more trusted it will be by search engines
In their quest to determine what is important and relevant on the web, Google and other search engines rely on many parameters. It is important for Google to see that other sites find your site worth linking to. One of the best ways to be referenced search engines is to have links coming to your site from other sites.
However, you need to be careful when trying to generate links towards your site.
Exchange links wisely
Forums, Blogs & Comments
Blogs & reviews talking about your site
And of course, if you have the writing bug,
Start your own BlogIt is a difficult but exciting enterprise, which takes time, regular updates, and a hint of talent. It is also one of the most beautiful and effective ways to share your expertise and to encourage a dialogue between your readers and yourself. All the while talking about and promoting your own business.
A good start within your own site are the Blog pages in SimDif.
The "no follow" anti-spam measure
The above information and tips are true for human readers and getting real people to come to your website. However many blogs and social networks have a type of code called "no follow" that is used to tell search engine robots to not follow this link.
Placing hundreds of links on Facebook or on many blogs and forums will not have an effect on the way search engines see your site.This is done on purpose so that spamming sites with irrelevant comments and links is not useful. Thus, to some extent, preventing this type of behavior.
Read more about this in the page about Facebook, Instagram and other social networks.