The Single Most Important Factor
Link building is the single most important means of SEO. Link building is the process in which quality backlinks are researched, requested and submitted from external sources so that the search engine ranking of a website can be improved. Google crawls the Web by sending out lots of “spiders” every day to visit websites. Spiders are little computer programs known as Googlebots that go a vote, thus telling Google to visit that web page as it is of importance. The more votes a web page gets from other web pages, the more authoritive Google will regard it to be. The more authoritive a web page is regarded by Google, the higher it will be ranked.
There are many ways and means of building links. The first step should be to ensure that you build relevant links to your industry.