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What Is SEO in Digital Marketing? A Simple Guide for Business Owners

Nov 19, 2022 | SEO Tips

What is SEO in digital marketing?

SEO stands for Search Engine Optimization. It is the process of improving your website and online presence so that search engines can better understand your business, your content, and which searches your pages may be relevant for.

The goal isn’t simply to “rank keywords.”

Good SEO helps your business become more visible when potential customers are actively searching for information, products, services, or businesses like yours.

I’ve worked in SEO for more than 20 years, and the field has changed dramatically. SEO used to be explained mainly as putting keywords on pages and building backlinks.

Those things can still matter, but modern SEO is much broader.

Today, I think about:

  • Search intent
  • Content quality
  • Technical SEO
  • Website architecture
  • Internal linking
  • Backlinks and authority
  • Local SEO
  • User experience
  • Conversions
  • Brand visibility
  • AI-powered search

Quick Answer:

SEO in digital marketing is the process of improving a website’s visibility in organic search results. It includes keyword research, helpful content, on-page optimization, technical SEO, internal linking, backlinks, local SEO, and performance analysis. The goal is to attract relevant visitors from search engines and turn that visibility into meaningful business opportunities.

Table of Contents

What Does SEO Mean?

SEO stands for Search Engine Optimization.

At its simplest, SEO means improving your website so that search engines can discover, understand, index, and potentially rank your pages for relevant searches.

But I think that’s only half the definition.

The other half is making sure the people finding those pages are actually the people your business wants to reach.

For example, ranking for:

SEO

might send me all kinds of visitors from around the world.

But ranking for:

SEO company San Diego

is much more closely connected to the service I actually provide and the market I serve.

That’s why modern SEO is not just about traffic.

It’s about relevant visibility.

How Does SEO Fit Into Digital Marketing?

Digital marketing is a broad category that can include:

  • SEO
  • Google Ads
  • Social media
  • Email marketing
  • Content marketing
  • Video marketing
  • Digital PR
  • Online advertising
  • Conversion optimization

SEO is the part that focuses primarily on organic search visibility.

Organic search results are different from paid advertisements because businesses don’t pay Google each time someone clicks a traditional organic listing.

That doesn’t mean SEO itself is free.

You still invest time, expertise, content, technical improvements, website development, PR, and authority building.

The difference is that you aren’t renting every organic click from an advertising platform.

How Do Search Engines Work?

You don’t need to understand every technical detail of Google to understand SEO.

But it helps to understand the basic process.

Search engines generally need to:

  1. Discover pages.
  2. Crawl them.
  3. Understand and index eligible content.
  4. Evaluate which results are most useful and relevant to a search.
  5. Display those results to users.

If Google can’t access your page, SEO becomes difficult.

If Google can access it but doesn’t understand what it’s about, you may also struggle.

And even if a page is indexed, indexing does not guarantee that it will rank highly.

That’s why SEO involves both technical accessibility and competitive relevance.

How Does SEO Work?

I like to think of SEO as several systems working together rather than one checklist.

You could have:

  • Excellent content but terrible technical SEO
  • A technically perfect website with weak content
  • Great pages but no authority
  • Strong backlinks but poor keyword targeting
  • High rankings but terrible conversion rates

Any one of those can limit results.

That’s why professional SEO usually touches several areas at the same time.

1. On-Page SEO

On-page SEO refers to optimizations made directly to individual website pages.

This can include:

  • Page titles
  • Headings
  • Page copy
  • Keyword targeting
  • Search intent
  • Meta descriptions
  • Image alt text
  • URLs
  • Internal links
  • Calls to action

One thing I would not recommend is simply stuffing a target keyword into a page repeatedly.

Your primary topic should be clear, but the page still needs to sound natural and genuinely help the reader.

2. Technical SEO

Technical SEO deals with the website infrastructure that affects how search engines access and understand your site.

That can include:

  • Crawling
  • Indexing
  • Robots.txt
  • Noindex directives
  • Canonical tags
  • Redirects
  • XML sitemaps
  • HTTP status codes
  • Page speed
  • Mobile usability
  • Website architecture
  • Structured data

A technical issue can sometimes prevent an otherwise excellent page from performing.

If you’re having indexing problems, my guide on how to get pages indexed goes much deeper into that topic.

3. Off-Page SEO

Off-page SEO refers to signals and activity that happen beyond your own website.

Backlinks are a major example, but off-page SEO can also include:

  • Digital PR
  • Media coverage
  • Industry mentions
  • Professional associations
  • Local citations
  • Business profiles
  • Brand mentions
  • Partnerships

I don’t think of off-page SEO as simply “get as many links as possible.”

I prefer relevant, legitimate mentions that make sense for the actual business.

4. Local SEO

If your business serves customers in a specific geographic area, Local SEO deserves its own strategy.

Local SEO can involve:

  • Google Business Profile
  • Local keyword targeting
  • Reviews
  • Local citations
  • Location pages
  • Local backlinks
  • Business categories
  • Consistent business information
  • Local content

This is especially important for businesses such as attorneys, doctors, contractors, restaurants, med spas, gyms, dentists, and other service providers.

If you’re trying to attract nearby customers, learn more about my Local SEO services.

5. Content SEO

Content is where a lot of SEO strategies succeed—or fall apart.

Google’s current guidance emphasizes creating helpful, reliable, people-first content rather than content created primarily to manipulate search rankings.

That means I don’t recommend publishing 50 generic articles simply because a keyword tool generated 50 ideas.

I want each page to have a purpose.

A content strategy might include:

  • Service pages
  • Location pages
  • Educational blog posts
  • FAQs
  • Case studies
  • Comparisons
  • Original research
  • Industry commentary
  • Videos

Your content should support the topics and services your business actually wants to be known for.

Why Keyword Research Still Matters

Keyword research helps you understand how people search.

But keyword research isn’t simply:

“Find the phrase with the biggest search volume.”

I look at:

  • Search volume
  • Intent
  • Competition
  • Geography
  • Business value
  • Which page should target the query

A lower-volume keyword can sometimes be far more valuable if the person searching it is close to becoming a customer.

Why Search Intent Matters More Than Keyword Stuffing

Search intent is what someone wants to accomplish with their search.

Someone searching:

how does SEO work?

probably wants education.

Someone searching:

hire SEO company San Diego

has much stronger commercial intent.

Those people need different pages.

A huge part of modern SEO is making sure the type of page matches what the searcher actually wants.

Internal links connect pages within your own website.

They help visitors move between related information and help search engines understand relationships between your pages.

For example:

Blog article → Related article → Service page

can create a logical path through a topic.

This is something I use constantly in SEO campaigns.

Read my complete guide to internal linking for SEO.

A backlink is a link from another website to yours.

Backlinks can help search engines discover content and can contribute to how authoritative and trustworthy a website appears within the broader web.

But not all backlinks are equally useful.

I focus more on:

  • Relevance
  • Legitimacy
  • Editorial value
  • Real websites
  • Real audiences
  • Industry or geographic relevance

rather than simply trying to increase the backlink count.

If you’re trying to build authority, read my guide explaining how to get other websites to link to yours.

SEO vs. Paid Advertising

SEO and PPC can both be useful, but they work differently.

With paid search advertising, you can pay for visibility quickly.

SEO generally takes longer because you’re building organic visibility rather than purchasing placement.

Paid traffic can stop when your advertising budget stops.

Strong organic pages can continue attracting visitors after the initial work has been done, although SEO still requires monitoring and maintenance.

For many businesses, I don’t think the question has to be either/or.

SEO and PPC can work together.

I compare them in more detail in my article SEO vs. PPC: Which Is Better?

How SEO Helps a Business

Professional SEO can help a business:

  • Become easier to discover online
  • Reach customers actively searching for its services
  • Increase relevant website traffic
  • Build stronger service pages
  • Improve local visibility
  • Build authority
  • Reduce dependence on paid traffic over time
  • Educate customers
  • Generate leads
  • Improve overall website quality

But I don’t judge SEO success purely by rankings.

If the traffic doesn’t contribute to the business, something may be wrong with the strategy.

This is one of the biggest additions I would make to any modern explanation of SEO.

Google Search now includes AI-powered experiences such as AI Overviews and AI Mode in addition to traditional organic results.

Google’s own guidance says the foundational SEO best practices still apply to those AI features.

There isn’t a separate secret set of technical requirements for appearing in them.

That means I still focus on:

  • Helpful content
  • Clear page topics
  • Indexability
  • Good site architecture
  • Internal linking
  • Authority
  • Accurate information
  • Original expertise

Search is evolving, but the fundamentals aren’t disappearing.

They’re becoming part of a broader search and discovery environment.

How Long Does SEO Take?

There is no universal SEO timeline.

The answer depends on:

  • Competition
  • Website age
  • Existing authority
  • Technical condition
  • Content quality
  • Target keywords
  • Geographic market
  • How much work is being performed

Some technical improvements can show an impact relatively quickly.

Competitive organic growth can take considerably longer.

If someone promises that every website will rank #1 in 30 days, I’d be skeptical.

Read more about why SEO results don’t happen overnight.

How Do You Measure SEO Success?

SEO measurement depends on the business, but I often look at:

  • Organic impressions
  • Organic clicks
  • Keyword visibility
  • Service-page performance
  • Qualified traffic
  • Calls
  • Contact forms
  • Appointments
  • Leads
  • Revenue when it can be accurately attributed

Google Search Console is particularly useful for understanding which queries and pages are generating visibility in Google Search.

But remember:

Rankings are a means to an end—not the business goal itself.

Common SEO Misconceptions

Here are a few misconceptions I still hear from business owners:

“SEO Is Just Keywords”

No. Keywords are only one part of a much larger strategy.

“More Blog Posts Always Mean Better SEO”

No. More content can actually create problems when pages are thin, repetitive, outdated, or competing with one another.

“SEO Is a One-Time Project”

Some SEO projects can be one-time improvements, but competitive organic visibility usually requires ongoing attention as your website, competitors, search behavior, and search engines evolve.

“You Need a Perfect Website to Rank”

No website is perfect.

SEO is about improving your competitive position and fixing the problems that matter most.

“An SEO Company Can Guarantee #1”

No legitimate SEO provider controls Google’s organic rankings.

SEO can improve your website’s relevance, technical accessibility, content, authority and overall competitive strength—but rankings are ultimately determined by the search engine.

Do You Need a Professional SEO?

You can absolutely learn and implement basic SEO yourself.

Many business owners can handle:

  • Basic page optimization
  • Google Business Profile updates
  • Reviews
  • Blogging
  • Internal links
  • Google Search Console

Professional SEO becomes particularly useful when:

  • Your market is highly competitive
  • Your rankings have stalled
  • Your site has technical problems
  • You have hundreds of pages
  • You don’t know which keywords to target
  • Your competitors consistently outrank you
  • Your traffic isn’t converting
  • You don’t have time to manage SEO yourself

If you’re trying to decide whether professional help is worth it, read How Can Professional SEO Help My Business Succeed?

Frequently Asked Questions About SEO in Digital Marketing

What does SEO mean in digital marketing?

SEO stands for Search Engine Optimization. It is the process of improving a website and its online presence so search engines can better discover, understand, and rank relevant pages for searches made by potential customers.

What are the main types of SEO?

The major areas commonly include on-page SEO, technical SEO, off-page SEO, local SEO, and content optimization. These areas work together to improve search visibility, website accessibility, relevance, authority, and user experience.

Is SEO part of digital marketing?

Yes. SEO is one component of digital marketing. Other digital marketing channels can include paid advertising, email, social media, video, content marketing, and digital PR.

How does SEO generate traffic?

SEO can increase traffic by improving a website’s visibility for relevant search queries. When people see and click an organic search result, they visit the website without the business paying for that individual organic click.

Is SEO better than Google Ads?

Neither is universally better. Google Ads can provide faster paid visibility, while SEO focuses on building organic visibility over time. Many businesses use both depending on their goals, competition, budget, and timeline.

Does SEO still work in 2026?

Yes. Search continues to be an important way people discover information and businesses. SEO is evolving alongside AI-powered search experiences, but foundational practices such as helpful content, technical accessibility, strong website structure, authority, and relevance remain important.

Does AI replace SEO?

No. AI is changing how people search and how search results are presented, but businesses still need websites and content that search systems can access, understand, and trust. Google’s own guidance says traditional SEO best practices remain applicable to its AI-powered search features.

How long does SEO take to work?

There is no fixed timeline. Results depend on competition, website history, authority, technical condition, content, target keywords, and resources. Some changes can show results relatively quickly, while highly competitive campaigns can take many months.

Can I do SEO myself?

Yes. Business owners can learn many SEO fundamentals themselves. Professional SEO becomes more valuable when the website or market is complex, competition is strong, technical issues exist, or the business needs a more comprehensive strategy.

What is the goal of SEO?

The goal of SEO is to increase relevant organic search visibility and help the right audience discover your website. For a business, that visibility should ideally contribute to meaningful outcomes such as qualified traffic, leads, sales, appointments, or brand awareness.

Need Help With SEO?

SEO has become much more sophisticated than adding keywords to a website and hoping for the best.

A strong strategy connects content, technical SEO, search intent, internal linking, authority, local visibility, and conversions.

I’m Jen Ruhman, and I’ve worked in SEO for more than 20 years. I work directly with businesses to identify what’s limiting their search visibility and build strategies around the searches that actually matter to their business.

If you’re looking for an experienced SEO expert in San Diego, I’d be happy to take a look at your website.

Call or text me: (619) 719-1315

— Jen Ruhman
SEO Expert & Founder of Jen Ruhman SEO