What is SEO?
SEO or Search Engine Optimisation is the name given to activity that attempts to improve search engine rankings.
In search results Google™ displays links to pages it considers relevantand authoritative. Authority is mostly measured by analysing the number and quality of links from other web pages.
In simple terms your web pages have the potential to rank in Google™ so long as other web pages link to them.
How SEO works
You might think of a search engine as a website you visit to type (or speak) a question into a box and Google, Yahoo!, Bing, or whatever search engine you’re using magically replies with a long list of links to webpages that could potentially answer your question.
That’s true. But have you ever stopped to consider what’s behind those magical lists of links?
Here’s how it works: Google (or any search engine you’re using) has a crawler that goes out and gathers information about all the content they can find on the Internet. The crawlers bring all those 1s and 0s back to the search engine to build an index. That index is then fed through an algorithm that tries to match all that data with your query.
There are a lot of factors that go into a search engine’s algorithm