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SEO: Search Engine Optimisation
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**SEO** stands for **S**\ earch **E**\ ngine **O**\ ptimisation. Google, Bing and DuckDuckgo are all search engines which allow humans to find websites on the internet.

Humans type **keywords** into search engines to find websites they need. If you're searching for a computer repair company in Melbourne, you might use the keywords **"Computer Repair Melbourne"**.

.. highlights:: **SEO is the process of optimising your website so that it appears as the first result on these search engines for a specific set of keywords, also known as a search term.**

Every search engine works in a similar way:

1. Download your website

2. Look through the HTML and determine which keywords your site is relevant to

3. Rank your website against every other website for each keyword

4. Take some data from your website and use it for the search results page, such as a title and introduction paragraph. This is called **Discoverable Content**

For now, we'll just focus on Google, as Google has the highest search engine share by far, at over 90% globally.

.. image:: https://wp-en.oberlo.com/wp-content/uploads/2019/10/Search-engine-market-share.png

Since nobody outside of Google knows their exact method of organising search results, SEO can be a bit of a magical art. Never believe a business that promises that they can put you on the top of Google search.

We'll cover some of what we do know about how Google does search in the next post: :doc:`pagerank`

.. toctree::
   :maxdepth: 2
   :hidden:

   pagerank
   discoverable