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GuideSEO (Search Engine Optimization)

What Is SEO and How Does It Work? A Complete Step-by-Step Guide

Turan Yasin SALCI
July 26, 2026
12 min read
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What Is SEO and How Does It Work? A Complete Step-by-Step Guide
Contents · 9 sections

The hardest thing about explaining SEO to someone is this: most of the work is invisible. With ads, you put the money in and see the clicks the next morning. With SEO, most of what gets done in the first month sits in the back end of the site, and it takes Google weeks to notice it. That's why I hear "we paid for SEO and nothing happened" so often.

In this post I'll explain what SEO is, how Google finds and ranks a page, and how an SEO project moves forward step by step. At the end there's a list you can check on your own site in ten minutes. Don't skip it — on most sites, that's where the first problem shows up.

What is SEO?

The definition is simple, but there's one point people mix up in practice. SEO isn't a "setting." It gets sold as a job you finish by installing a plugin and fixing a few titles, so expectations get set wrong. In reality, SEO is the site turning into an asset that builds up over time. A good page you write today can still bring in visitors two years from now. Ads don't work that way; the day you cut the budget, the traffic stops too.

Let me also say this up front: the goal of SEO isn't "ranking #1 on Google." The goal is for the person looking for you to find you. The difference matters. Ranking first for "shoes" is nearly impossible and gets most businesses nothing. Being in the top three for "orthopedic shoes in Kadıköy" brings customers to the shop's door.

How does Google find and rank a page?

Google's work roughly moves in four steps. A page can be eliminated at any step, and most SEO problems are really a page that got stuck at one of them.

  1. 1CrawlingGooglebot finds and reads the page
  2. 2IndexingThe page enters Google's archive
  3. 3RankingHundreds of signals are weighed against the search
  4. 4ClickThe title and description get you chosen
Simplified flow based on Google's own description

In the crawling stage, Google's bot comes to your site. It finds pages by following links. If there's a page on your site that nothing links to, the bot often never sees it. In the indexing stage, the page is read and either added to Google's archive or not. If Google decides "this page is a copy of another page" or "there's no meaningful content here," it doesn't get indexed. Ranking kicks in when someone searches for something: Google decides which of the indexed pages is the best answer to that question. The last step is the one we forget most: showing up in the results isn't enough, you need to get clicked. That's where the title and description do their job.

Google explains this process in detail on its own how search works page (in Turkish). It's worth reading, because you'll see that most of what gets sold as an "SEO secret" is already written there.

Why isn't your site on the first page of Google?

Short answer: because, according to Google, there are pages that answer that search better than you do. The long answer usually hides in one of these three reasons.

Illustrative Demo
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Your clinic isn't on this page. Your site doesn't even have an 'online appointment' page.
Illustrative example · brand names are fictional

The first is technical. The page loads slowly, shifts around on mobile, or was never indexed at all. You can't know that without looking in Search Console. The second is content fit. People are searching for "online appointment," and your site has two generic pages called "About Us" and "Services." Google has no page it can show as the answer to that question. The third is authority. Your competitor shows up on booking platforms, in local directories, maybe on a news site; you only exist on your own site.

Let me be honest: I can't tell you at a glance which of these three is holding you back. Most of the time it's two at once. The first week of SEO is spent finding exactly that.

How is SEO done? Step by step

Every agency has its own order; ours looks roughly like this. What matters isn't the order itself but not spending money on content before the technical foundation is solid. On a site with broken speed and indexing, even the best article stays invisible.

The first six months of an SEO project

  1. 1Month 1

    Audit and keyword map

    Search Console data is reviewed, technical problems are listed, what people actually search for is mapped out, and each search is assigned to the page it belongs to.

  2. 2Months 1-2

    Technical fixes

    Speed, mobile display, pages that aren't indexed, duplicate content, sitemap, schema. Invisible work, but everything else is built on top of it.

  3. 3Months 2-4

    Writing pages for search intent

    Existing pages are reworked, and new pages are created for missing questions. Each page gives a clear answer to a single search.

  4. 4Months 3-6

    Authority and measurement

    Industry guides, local directories, real partnerships. Which page climbs to which position, and what it brings in, is measured every month.

You don't see old-school items like "keyword density" or "meta tag optimization" on this list. Those still get done, but on their own they don't change anything. Writing the keyword three times in the title doesn't get you rankings. If it did, everyone would do it.

The most expensive mistake in SEO is doing the right work for the wrong keyword . Ranking first for a phrase nobody searches for is the same as not showing up at all.

How long does SEO take to show results?

You won't like the answer to this one: there's no fixed timeframe. It's work measured in months, but how many months depends on the site's age, the strength of competitors and the technical state at the start. On a well-built site that's been live for years, you can see movement within a few weeks. On a newly registered domain, the same work takes much longer. If someone gives you an exact date, frankly, ask them what they're basing it on.

The chart below is just to give you an idea. It's not a measurement; it shows how the work in a typical project overlaps.

The work doesn't start all at once, it overlaps

06 months12 months
  • Technical fixes
  • Content and page structure
  • Authority building
  • First ranking movementson most sites
  • Steady organic traffic
Illustrative timeline · every site moves differently

Here's what I've observed: in the first three months, you see changes in the index more than in rankings. Pages that weren't indexed get indexed, impressions start to rise, but the clicks haven't arrived yet. Seeing this period in Search Console is reassuring, because it tells you "something is happening." If you only track it by googling your own name, you'll never see that movement.

8 things you can check on your own site right now

You don't need an expert for these. Your phone and ten minutes are enough. As you check them off, the bottom of the list will tell you where you stand.

10-minute SEO check

0/8

Check the items one by one; at the end you'll see where you should start.

If you got stuck on an item on this list, don't be surprised. The gap I see most often is the third item: all the services written one under another on a single page. Google can't tell which search to show that page for. Giving each service its own page is the first and cheapest SEO step for most small businesses.

Did AI Overviews kill SEO?

No, but they changed the job. For some searches, Google now shows a summary it writes itself above the results, and users sometimes get their answer without clicking on any site. This cuts clicks, especially for "what is" type informational searches.

Here I'll say something a bit contrarian: I think this isn't that bad for well-written sites. The sites shown as sources under the summary are still being chosen, and the ones chosen are usually clear, well-organized pages that answer the question directly. Google also says no special optimization is needed (in Turkish) for this, and that normal SEO rules apply. The losers are the sites that bury the real answer in the middle of the page under long intro paragraphs.

The AI side is a separate topic. I explained what it takes for tools like ChatGPT and Gemini to recommend your brand in the what is GEO guide; that part of the work may need to be handled separately with a GEO agency.

Should you do SEO yourself or with an agency?

Both are possible. The decision depends less on budget and more on your time and technical access.

If you do it yourself

  • Low cost, but it takes a few hours of your week
  • You may need a developer for technical fixes
  • It takes longer to figure out what works
  • Often enough for a small, local business

If you work with an SEO agency

  • Audit, technical work and content run on the same plan
  • Search Console data is reported every month with interpretation
  • Competitor analysis and keyword selection are set up right from the start
  • Saves time in highly competitive industries

If you want to start on your own, the checklist above is a good starting point. If you're in a highly competitive field or your site is technically complex, working with an SEO agency speeds things up. I say speeds up, not guarantees. When you meet someone who promises "first page in three months," remember this post.

If you don't have a site at all, or it's very old, you need to deal with the site itself before SEO. In that case, read the questions on the web design agency page.

Frequently asked questions about SEO

Is SEO paid? Do you pay Google?

No. You don't pay Google for organic rankings; what you pay for is ads. The money you spend on SEO pays for the labor that goes into the site: technical fixes, content and analysis.

How many months does SEO take to show results?

There's no fixed timeframe; it varies with the site's age and the competition, but it's work measured in months. In the first months, you see changes in indexing and impressions before rankings.

Should I buy backlinks?

I don't recommend it. Google considers links bought to influence rankings a violation of its rules, and sites like that get penalized from time to time. Real partnerships, directory listings and content worth sharing are slower but safer.

SEO or ads?

They aren't rivals. Ads bring today, SEO brings tomorrow. If you're a new business, building SEO in the background while you find your first customers through ads is often the most sensible path.

Will updating my site myself hurt my SEO?

Usually not. What's risky is changing page URLs or deleting pages. If you do that without setting up a redirect (301) from the old URL to the new one, the effort that went into that page is lost.


Last updated: September 27, 2026. I update this guide as Google's rules change.

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