What Is SEO – Search Engine Optimization?

SEO stands for search engine optimization. In simple terms SEO means the process of improving your website to increase its visibility in Google Microsoft Bing and other search engines whenever people search for. 

1. Products you sell

2. Services you provide

3. Information on topics in which you have deep expertise or experience

The better visibility your pages have in search results the more likely you are to be found and clicked on. Ultimately the goal of search engine optimization is to help draw website visitors who will become customers clients or an audience that keeps coming back.

What you’ll learn in this guide:

1. How SEO differs from SEM and PPC?

2. Why SEO is important?

3. SEO types and specializations?

4. How SEO works?

5. How to learn SEO?

6. How is SEO similar from SEM and PPC?

SEM and PPC are two other common terms you will read about a lot here on Search Engine Land and hear about in the larger search marketing community. 

Read on to learn more about both of these terms and how they’re related to SEO.

SEO and SEM:

SEM stands for search engine marketing or as it is more frequently known search marketing. 

Search marketing is type of digital marketing. It is an umbrella term for arrangement of SEO and PPC activities meant to drive traffic by means of organic search and paid search.

Put essentially search marketing is the process of in advance traffic and visibility from search engines through both paid and unpaid efforts. So how do SEO and SEM differ? Technically they aren’t different SEO is simply one half of SEM.

SEO = driving organic traffic from search engines: 

SEM = driving organic and paid traffic from search engines: 

Now this is where things get a spot confusing. 

Today many people use SEM inter suddenly with PPC (which we’ll talk about in the next section). 

This idea seems to undercut SEO. However SEO is marketing just like PPC is marketing.

Here is the best way to think about SEO and SEM.

Imagine SEM is a coin. SEO is one side of that coin. PPC is on the flip side. 

SEO and PPC:

PPC stands for pay per click a type of digital marketing where advertisers are charged whenever one of their ads gets clicked on.

Basically advertisers proffer on specific keywords or phrases that they want their ads to appear for in the search engine results. When user searches for one of those keywords or phrases the advertiser’s ad will appear among the top results. 

So again if we think of search marketing as a coin SEO and PPC are two sides of the same coin SEO is the unpaid side PPC is the paid side. 

Another key point it’s important never to think of it as SEO and PPC (i.e. which one is better) because these are complementary channels. It’s not an either or question always choose both (as long as your budget allows it).

As we mentioned before the terms SEM and PPC are used within the industry inter changeably. However that isn’t the case here on Search Engine Land. 

Whenever we mention SEM it will be because we’re referring to both SEO (organic search) and PPC (paid search). 

If you’re interested about the history behind how SEM came to mean PPC at the exclusion of SEO you can break up earth deeper into these articles.

How Wikipedia Turned PPC / Paid Search into SEM?

Does SEM = SEO + CPC Still Add Up?

Why is SEO important?

SEO is critical marketing channel. First and foremost organic search delivers 53% of all website traffic.

That’s one big reason why the global SEO industry is forecast to reach staggering $122.11 billion by 2028. SEO drives real business results for brands businesses and organizations of all sizes.

Whenever people want to go somewhere does something find information research or buy product or service their journey typically begins with search. 

But today search is incredibly uneven. Users may search on traditional web search engines (e.g. Google, Microsoft Bing) social platforms (e.g. YouTube TikTok) or retailer websites (e.g. Amazon). 

In fact 61% of U.S. online shoppers start their product search on Amazon compared to 49% who start on search engine like Google. Also of note from that same research. 

  • 32% start on Walmart.com
  • 20% start on YouTube
  • 19% start on Facebook
  • 15% start on Instagram
  • 11% start on TikTok

Trillions of searches are conducted every year. Search often the primary source of traffic for websites which makes it essential to be search engine friendly on any platform where people can search for your variety or business. 

What this all means is that improving your visibility and ranking higher in search results than your competition can positively impact your bottom line

SEO is also incredibly important because the search engine results pages (or SERPs) are super competitive filled with search features (and PPC ads). SERP features include.

  • Knowledge panels
  • Featured snippets
  • Maps
  • Images
  • Videos
  • Top stories (news)
  • People Also Ask
  • Carousels

Another reason SEO is critical for brands and businesses unlike other marketing channels good SEO work is sustainable. When paid promotion ends so does the traffic. Traffic from social media traffic is at best unreliable and fraction of what it once was.

SEO is the foundation of holistic marketing where everything your company does matters. Once you understand what your users want you can implement that knowledge across your.

  • Campaigns paid and organic
  • Website content
  • Social media properties

SEO is a channel that drives the traffic you need to achieve key business goals (e.g. conversions visits sales). It also builds trust a website that ranks well is generally regarded as authoritative or trustworthy which are key elements Google wants to reward with better rankings.

Types of SEO

There are three types of SEO:

Technical SEO

Optimizing the technical aspects of website.

On site SEO: 

Optimizing the content on website for users and search engines.

Off site SEO: 

Creating brand assets (e.g. ​​People marks values vision slogans catchphrases colors) and doing things that will ultimately enhance brand consciousness and recognition (i.e. representing and increasing its capability authority and responsibility) and demand generation.

You maintain 100% control over content and technical optimizations. That’s not always true with offsite (you can’t control links from other sites or if platforms you rely on end up shutting down or making major change) but those activities are still key part of this SEO trinity of success. 

Imagine SEO as sports team. You need both strong offense and defense to win and you need fans (a.k.a. an audience). Think of technical optimization as your defense content optimization as your offense and offsite optimization as ways to attract engage and preserve loyal fan base.

Technical optimization

Optimizing the technical elements of website is crucial and fundamental for SEO success. 

It all starts with architecture creating website that can be crawled and indexed by search engines. As Gary Illyes Google’s trends analyst once put it in reddit ama make that damin site crawlable. You want to make it easy for search engines to discover and access all of the content on your pages (i.e. text images videos). What technical elements matter here: URL structure navigation internal linking and more.

Experience is also critical element of technical optimization. Search engines stress the importance of pages that load quickly and provide good user experience. Elements such as Core Web Vitals mobile friendliness and usability HTTPS and avoiding disturbing interstitials all matter in technical SEO. 

Another area of technical optimization is structured data (a.k.a. schema). Adding this code to your website can help search engines better understand your content and enhance your appearance in the search results. 

Plus web hosting services CMS (content management system) and site security all play a role in SEO. 

Content optimization:

In SEO your content needs to be optimized for two primary audience people and search engines. What this means is that you optimize the content your audience will see (what’s actually on the page) as well as what search engines will see the code.

The goal always is to publish helpful high quality content. You can do this through a combination of understanding your audience’s wants and needs data and guidance provided by Google.

When optimizing content for people you should make sure it:

  • Covers relevant topics with which you have experience or expertise
  • Includes keywords people would use to find the content
  • Is unique or original
  • Is well written and free of grammatical and spelling errors
  • Is up to date containing accurate information
  • Includes multimedia (e.g. images videos)
  • Is better than your SERP competitors
  • Is readable structured to make it easy for people to understand the information you’re sharing (think subheadings paragraph length use bolding or italics ordered or unordered lists reading level etc.)

For search engines some key content elements to optimize for are:

  • Title tags
  • Meta description
  • Header tags (H1-H6)
  • Image alt text
  • Open graph and Twitter Cards Metadata

Off site optimization

There are several activities that may not be SEO in the strictest sense but nonetheless can align with and help contribute indirectly to SEO success.

Link building the process of acquiring links to a website is the activity most associated with off site SEO. There can be great benefits (e.g. rankings traffic) from being paid diverse number of links pointing at your website from relevant authoritative trusted websites. Link quality beats link quantity and a large quantity of quality links is the goal.

And how do you get those links? There are a variety of website promotion methods that synergize with SEO efforts. These include:

Brand building and brand marketing:

Techniques designed to boost recognition and reputation.

PR:

Public relations techniques designed to earn editorially given links.

Content marketing:

Some popular forms include creating videos ebooks research studies podcasts or being a guest on other podcasts and guest posting or guest blogging.

Social media marketing and optimization:

Claim your brand’s handle on any and all relevant platforms optimize it fully and share relevant content. 

Listing management:

Claim verifying and optimizing the information on any platforms where information about your company or website may be listed and found by searchers (e.g. directories review sites wikis).

Ratings and reviews:

Getting them monitoring them and responding to them.

Generally when talking about off site you’re talking about activities that are not going to directly impact your capability to rank from simply technical standpoint. 

However again everything your brand does matters. You want your brand to be found anywhere people may search for you. As such some people have tried to rebrand search engine optimization to actually mean search experience optimization or search everywhere optimization.

SEO specialties

Search engine optimization also has few subgenres. Each of these specialty areas is different from regular SEO in its own way generally requiring additional tactics and presenting different challenges. 

Five such SEO specialties include.

Ecommerce SEO:

Additional SEO elements include optimizing category pages product pages faceted navigation internal linking structures product images product reviews schema and more.

Enterprise SEO:

This is SEO on a substantial scale. Typically this means dealing with a website or multiple websites or brands with 1 million+ pages or it may be based on the size of the organization typically those making millions or billions in revenue per year. Doing enterprise also typically means delays trying to get SEO changes implemented by the dev team as well as the involvement of multiple venture holders.

International SEO:

This is global SEO for international businesses doing SEO for multi regional or multilingual websites and optimizing for international search engines such as Baidu or Naver. 

Local SEO:

Here the goal is to optimize websites for visibility in local organic search engine results by managing and obtaining reviews and business listings among others.

News SEO:

With news speed is of premier importance specifically making sure you get into Google’s index as quickly as possible and appear in places such as Google Discover Google’s Top Stories and Google News. There’s need to understand best practices for pay walls section pages news specific structured data and more.

How does SEO work?

This guide is published on Search Engine Land an authoritative website with great expertise on and experience in the topic of SEO we’ve been covering all SEO changes big and small since 2006. 

Originally published in 2010 what is SEO? Page has earned massive 324203 links. 

Put basically these factors and others have helped this guide earn good character with search engines which has helped it rank in Position 1 for years. It has accumulated signals that exhibit it is respected and responsible and therefore deserves to rank when someone searches for SEO. 

But let’s look at SEO more broadly. As whole SEO really works through combination of.

People: 

The person or team dependable for doing or ensuring that the strategic considered and operational SEO work is completed.

Processes: 

The actions taken to make the work more resourceful.

Technology: 

The platforms and tools used.

Activities: 

The end product or output. Many other things factor into how SEO works. What follows is high level look at the most important knowledge and process elements. 

How search engines work?

Basically if you want people to find your business via search on any platform you need to understand the technical processes behind how the engine works and then make sure you are providing all the right signals to authority that visibility. 

When talking about traditional web search engines like Google there are four separate stages of search:

Crawling: 

Search engines use crawlers to discover pages on the web by following links and using sitemaps.

Rendering: 

Search engines generate how the page will look using HTML JavaScript and CSS information.

Indexing: 

Search engines analyze the content and metadata of the pages it has discovered and add them to database though there’s no agreement every page on your website will be indexed.

Ranking: 

Complex algorithms look at variety of signals to determine whether page is relevant and of high enough quality to show when searchers enter query.

But optimizing for Google search is different from optimizing for search other platforms like YouTube or Amazon. 

Let’s take Facebook for example where factors such as engagement (Likes comments shares etc.) and who people are connected to matter. Then on Twitter signals like recency interactions or the author’s credibility are important. 

And further complicating things search engines have added machine learning elements in order to surface content making it even harder to say this or that resulted in better or worse performance.

 Researching:

Research is a key part of SEO. Some forms of research that will improve SEO performance include:

Audience research: 

It’s important to understand your target audience or market. Who are they (i.e. their demographics and psychographics)? What are their pain points? What questions do they have that you can answer? 

Keyword research: 

This process helps you identify and incorporate relevant and valuable search terms people use into your pages and understand how much demand and competition there is to rank for these keywords.

Competitor research: 

What are your competitors doing? What are their strengths and weaknesses? What types of content are they publishing? 

Brand business and client research: 

What are their goals and how can SEO help them achieve those goals?

Website research: 

A variety of SEO audits can uncover opportunities and issues on website that are preventing success in organic search. Some audits to consider. Technical SEO content link profile and E-E-A-T. 

SERP analysis: 

This will help you understand the search intent for given query (e.g. is it commercial transactional informational or navigational) and create content that is more likely to earn rankings or visibility.

Planning:

An SEO strategy is your long term action plan. You need to set goals and a plan for how you will reach them. 

Think of it your SEO strategy as road map. The path you take likely will change and evolve over time but the destination should remain clear and unchanged.

Your SEO plan may include things such as.

  • Setting goals (e.g. OKRs SMART) and opportunity (i.e. timelines or milestones)
  • Defining and aligning meaningful KPIs and metrics
  • Deciding how projects will be created and implemented internal external or mix
  • Coordinating and communicating with internal and external stakeholders
  • Choosing and implementing tools and technology
  • Hiring training and structuring team
  • Setting a budget
  • Measuring and reporting on results
  • Documenting the strategy and process

Creating and implementing

Once all the research is done it’s time to turn ideas into action. That means.

Creating new content:

 Advising your content team on what content needs to be created.

Recommending or implementing changes or enhancements to existing pages:

This could include updating and improving the content adding internal links incorporating keywords topics entities or identifying other ways to optimize it further.

Removing old outdated or low quality content: 

The types of content that aren’t ranking well driving converting traffic or helping you achieve your SEO goals.

Monitoring and maintaining:

You need to know when something goes wrong or breaks on your website. Monitoring is critical. 

You need to know if traffic drops to critical page pages become slow unresponsive or fall out of the index your entire website goes offline links break or any other number of potential terrible issues.

Analyzing assessing and reporting on performance

If you don’t measure SEO you can’t improve it. To make data driven decisions about SEO you will need to use:

Website analytics: 

Set up and use tools at minimum free tools such as Google Analytics Google Search Console and Bing Webmaster Tools to collect performance data.

Tools and platforms: 

There are many all in one platforms or suites that offer multiple tools but you can also choose to use only select SEO tools to track performance on specific tasks. Or if you have the resources and none of the tools on the market do exactly what you want you can make your own tools.

After you’ve collected the data you will need to report on progress. You can create reports using software or manually. 

Performance reporting should tell a story and be done at meaningful time intervals typically comparing to previous report periods (e.g. year over year). This will depend on the type of website typically this will be monthly quarterly or some other interval, 

SEO is ongoing:

SEO never ends. Search engines user behavior and your competitors are always changing. Websites change and move and break over time. Content gets out of date. Your processes should improve and become more efficient.

There is always something you can be monitoring testing or improving. Or as Bruce Clay put it. SEO will only be done when Google stops changing things and all your competition dies.

How to understand SEO?

Now that you understand more about what SEO is and how it works how can you learn more? 

Reading (or if you prefer watching or listening to) the latest SEO news research best practices and other developments should become one of your regular habits whether it’s daily weekly or monthly. You should also invest in attending at least one or two events per year.

The opportunity and behavior of searchers are constantly evolving which means algorithms are frequently changing to keep up. That in arrangement with new breakthrough in technology looks no further than the explosive rise of ChatGPT in late 2022 and the sudden addition of generative AI to search results in 2023.

Here are some trusted resources and commands to help you grow as SEO professional.

Search Engine Land’s SEO resources:

Search Engine Land has been covering SEO since 2006. In addition to news stories written by our editorial staff Search Engine Land publishes contributed articles from diverse group of subject matter experts featuring helpful SEO tips tactics trends and analysis.

We are subjective but we highly suggest you sign up to receive Search Engine Land’s free email newsletter featuring roundup of the latest SEO news and insights every weekday.

Search Engine Land also has multiple categories on topics dedicated to specific areas and platforms which you may find helpful:

  • All SEO
  • Bing SEO
  • Content SEO
  • Ecommerce SEO
  • Enterprise SEO
  • Google E-E-A-T
  • Google algorithm updates
  • Google Search Console
  • Google search features
  • Link building
  • Local SEO
  • News SEO
  • Technical SEO

Search Engine Land’s Guide to SEO Editor’s Note We are currently updating this guide with the goal of having the chapters completely updated in the first quarter of 2024.

Search Engine Land’s Guide to SEO walks you through the fundamentals of optimizing for search so you can develop solid strategy to drive organic traffic to your website.

Our guide explains these factors in more depth and highlights tactical commands from experts on search engine optimization that will help your website get more visitors from organic search.

Part 1:

Types of Search Engine Success Factors. These are the on and off site factors that can affect your search rankings. We will also look at niche verticals in SEO and harmless SEO tactics to avoid.

Part 2:

Content and Search Engine Success Factors. Keep these elements in mind to create high quality content that search engines and your target audiences will love.

Part 3:

Site Architecture and Search Engine Success Factors. Let’s go behind the scenes and look at the aspects of your site that make it easy for search engines to access and influence user experience.

Part 4:

HTML Code and Search Engine Success Factors. HTML tags and structured data help organize information on your site and help search engines understand your content.

Part 5:

Trust Authority Expertise and Search Rankings. How your users engage with your site as well as its reputation and authority helps search engines determine if it’s worthy of showing to users.

Part 6:

Link Building and Ranking in Search Engines. Why backlinks are still important and what they tell search engines about your content.

Part 7:

Personalization and Search Engine Rankings. These are the user specific elements such as location and intent that can affect the results users see.

Part 8:

Toxins and Search Engine Spam Penalties. Beware of SEO shortcuts. Getting caught using these tactics can potentially result in manual action penalty or even get your site delisted from the search index.

Part 9:

Emerging Verticals in Search. Voice local image and video search represent new ways for users to find what they’re looking for. While they each provide nuanced opportunities for brands they are still based on the fundamental principles of SEO.

Google SEO resources

SEO or Search Engine Optimization refers to the practice of optimizing websites to improve their visibility and ranking on search engine results pages (SERPs). It involves techniques like keyword research content optimization and link building to attract organic traffic. SEO helps businesses reach their target audience and increase online visibility.

Google Search Essentials:

In this guide Google discusses technical requirements spam policies and key best practices.

SEO starter guide:

An overview of SEO basics according to Google’s best practices.

Search quality evaluator guidelines:

This document explains how Google instructs human raters to evaluate the quality of its search results by examining the experience expertise authoritativeness and trustworthiness of content and websites.

How to develop your SEO skills?

One of the best ways to learn SEO is to experiment. Hand on experience is one of the absolute best ways to advance your skills and deepen your SEO knowledge. 

Build your own websites and make them about topics you are passionate about. Try out various tactics and techniques. See what works and what doesn’t. 

SEO requires many other skills. Dig deeper into some of those in 13 essential SEO skills you need to succeed.

Another way to advance your career is by attending search conference. The Search Engine Land team programs the Search Marketing Expo (SMX) conference series which has dedicated SEO track that dives into various aspects of SEO and features some excellent speakers and presentations. SMX Advanced takes place in June and SMX Next in November.

Beyond that there are several other options free and paid to learn SEO:

  • Websites blogs and publications
  • Books and ebooks
  • Videos
  • Podcasts
  • Webinars
  • Conferences events and meetups
  • Courses
  • Training and certification programs 
  • Groups (e.g. social media Slack)
  • Newsletters
  • Following experts on social media
  • Forums

While there are many reliable resources you or your clients will discover some outdated or wrong SEO information at some point. 

Bottom line:

There are no universal truths or some big secret to SEO. The truth is you have to put in the work in all the phases of SEO to grow your visibility clicks traffic authority conversions sales and revenue

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