When it comes to search engine optimization, people face a lot of trouble with the process of link building. This is not a simple thing, especially at this time when Google has become quite strict with its policy. Even a few years earlier, link building process used to be simpler. Getting websites for posting articles wan not difficult. People used to post articles for free at those places. Today, link building has turned quite difficult or complicated. When you get a link from not a reliable website, link building does not fetch you the right result. In the following section, six crucial tips for link building have been discussed. 1. Know the Art of Writing Good Content You need to learn the art of writing good contents for link building services. Now, writing content is considered a job that needs human intelligence. Using tools for writing contents is not the best choice, as machine intelligence is not proficient yet to write good contents. Moreover, the writer has to be proficient in his job. A good writer should research well before writing. The content must be information rich as well as unique. Getting back links from such articles will help your website to become popular easily. 2. Guest Blogging For content marketing, instead of using the article marketing websites, you should go for guest blogging. Using the guest blogging services is the meticulous way of building links. It is more effective than posting articles in the websites which are marked as spam by Google. Instead of getting bulk links, you need to focus on getting quality back links for your website for achieving better result. 3. Manage the Broken Links Managing the broken links is a crucial part of a successful and powerful link building campaign. You need to identify those broken links and then you need to fix them with step by step measures. In order to manage the broken links, the following three steps are needed to be followed:   
At first, you need to find a relevant broken link on a website. Now, you need to make something identical to the broken resource. Now, link to your working resource than linking to the dead resource.
4. Unlinked Mentions