What Is SEO: A Comprehensive Introduction
SEO is an acronym for Search Engine Optimization, the practice of deriving organic traffic from search result pages to websites by optimizing web content to reflect on relevant search queries. An essential thing to point out here is that it is all about improving unpaid rankings, in essence, natural and organic search results. As such, organic SEO does not include the management of direct traffic/visitors and the buying of paid placement. It involves making changes to your site design, improving the user experience and the content to make your site attractive to search engines and end-users alike.
We are often asked by proud site owners about what comes after a new web pages gets deployed. During the initial phase of design and layout, the page can bear modifications aimed to improve user experience or optimisation for mobile users. However, in later stages, like site administration and management, other important factors come into play.
Site architecture, quality backlinking, high-quality content and optimizing content around relevant keywords are only some of the aspects reflected by SEO. By implementing SEO, brands start to enjoy the advantage of free organic traffic to their websites. That being said, how do you optimize your site for search engines? To properly address this question, there is a need to understand how these engines operate. So, let’s get straight to it.
How Do Search Engines Work?
Google, the world’s leading search engine with a market share of 87.96 percent and processes an excess of 3.5 billion searches daily. It checks about 1.9 billion websites and produces suitable results in less than 0.5 seconds. But what exactly happens during this relatively short process?
Before providing suitable results to a query, any search engine does the following: First, it creates a list of pages on the web (index). Next, it accesses this list immediately and analyses it. Lastly, the search engine determines which pages match a specific search input. This are the simplified initial SEO process steps referred to as crawling and indexing.
Crawling and Indexing
The web consists of a perpetually increasing number of pages connected by links. Search engines need to identify these pages, comprehend what they contain, and store them in a large data group called an index.
To make all this possible, search engines leverage bots, also known as spiders or crawlers, to scour the internet for hosted domains. These bots go on to save lists of various servers and the sites hosted on these servers. After that, they go to each site, “crawling” it for useful info like type of content or total number of pages.
Lastly, they leverage code tags, for example, HREF and SRC to determine the existing connections to external pages, which are also included in the list of websites to crawl. As they move from one page to another and consolidate them into the index, the crawlers develop a more extensive network of indexed pages.
Search engines stay updated by updating the main index with new, deleted or modified pages, recent content, new links, and so forth. Therefore, whenever someone performs a search, these engines will always provide the most recent results.
How Appropriate Results Are Ranked
How does a search engine determine the ranking of the results? Search engines use algorithms that process the intention of the user, identify the most suitable results, and rank them depending on their authority and popularity. Not much is known about how exactly these algorithms work, but marketers have since discovered that algorithmic decisions rely on an excess of two hundred factors.
Some of them include content type, content quality, content freshness, page popularity, website quality, language, and location.
The Three Types of SEO
There are three types of SEO, i.e., technical SEO, on-page SEO, and off-site SEO. Let’s highlight each of these individually.
Technical SEO is the process of optimizing a site for crawling and indexing. It solely focuses on a website’s architecture and infrastructure (i.e., the back-end). Some of the elements of technical SEO include URL hierarchy and structure, page speed, XML Sitemaps, Accelerated Mobile Pages, and HTTP/ HTTPS.
On-page SEO is about optimizing all attributes within a website in order to increase its ranking. Some of the elements of on-page SEO are meta tags, page titles and meta descriptions, image ratio and size, effective keywords, outbound and internal linking. Another important factor, often neglected, is the content-to-code ratio.
Off-site SEO refers to any process of optimisation that is not confined to the actual site, but still has an impacts on its ranking. When done correctly, off-site SEO shows whether a specific site is reliable and authoritative, and hence qualified to move to a higher position in the search engine results pages. In any case, off-site SEO is never under the full control of the website owner. Off-site SEO entails link building and developing website reputation.
SEO plays an integral role in website ranking. And while the strategies keep changing by the day, creating content that appeals to your audience, as well as the search engines, is paramount. So, although it is quite demanding, always try to stay abreast of SEO’s latest developments.
We decided to post a series of articles on SEO to help our SME clients to self-manage their SEO needs. Even though CodeCoda’s BPO services includes on- and off-page SEO, we want to make sure our advice is formally noted and is easy to consume and replicate.