What is SEO? Search Engine Optimization Explained

SEO (Search Engine Optimization) is the practice of optimizing a website or webpage to increase the quantity and quality of its traffic.

From a search engine’s organic results. ( SEO )

The benefits are obvious:



 Traffic to your website.

Month after month.

How search engines work

When you type a query into a search engine, it looks through all the pages in its index and tries to return the most relevant results.

To do this, it uses a computer program called an algorithm.

Search engines are like libraries for the digital age.

Instead of storing copies of books, they store copies of web pages

Nobody knows exactly how these algorithms work,

 But we do have clues, at least from Google.

To give you the most useful information.

Search algorithms look at many factors.

Including the words of your query.

Relevance and  usability of pages.

Expertise of sources  and your location and settings.

The weight applied to each factor varies depending on the nature of your query.

For example, the freshness of the content plays a bigger role in answering queries about current news topics than it does about dictionary definitions.

Speaking of Google.

This is the search engine most of us us.

At least for web searches. That’s because it has the most reliable algorithm by far.

That said, there are tons of other search engines you can optimize for.

Why is SEO important? 

Search Engine Optimization brings you the most precious traffic (also known as organic traffic),

which is “free” — when a search engine shows your content to its users in the organic part of a SERP (Search Engine Results Page), you do not pay for the ranking.

When the user clicks on the result and visits your site, you do not pay anything to Google for a visit.

And that briefly describes what is SEO used for.

On that same SERP, there are often paid results; they are identifiable by the ‘Ad’ icon to the left. When a user clicks on a paid result and visits the site,

the advertiser pays the search engine for that visit.

How Search Engines Work 

The fundamental aim of search engines is to satisfy its users.

They want to provide the best results when a user searches for something.

When someone uses a search engine, such as Google, Bing, or Yahoo, they are looking for the solution to a problem or the answer to a question.

These engines want to provide the most helpful, relevant, and credible answer or solution.


In SEO, we often refer to ‘keywords’ — this is slightly misleading. ‘Search queries’ is a much better term. We are not looking at individual words; we are looking at combinations of words that express a problem or a question.

 Even when a user searches with just one word,

They are still expressing a problem or question.

They are just not being very clear! 

What is your audience searching for?

To work effectively on your SEO,

You need to figure out what your potential customers are searching for.

Find the phrases that they use to search.

And then create content that brings a clear.

Simple and helpful solution to the problem that the user expressed.

SEMrush offers a tool that allows you to find out based on your market and your competitors. 

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