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SEO

What is SEO (search engine optimization)?

IN SHORT

Search engine optimization (SEO) is the practice of making your website easy for search engines to find, understand and trust, so your pages appear when people search for what you sell. It combines technical access, useful content and proof of credibility, and it takes weeks to months to show results.

By Adnan Gourija, Head of Search Marketing at Webtec (SEO and AEO)Reviewed October 11, 202610 min read

  • SEO has three parts: search engines can reach your pages, your pages match what people search for, and your site earns trust.
  • Google states that no technique automatically ranks a site first, and that changes can take from a few hours to several months to show.
  • Google does not accept payment to crawl a site more often or to rank it higher.
  • SEO is the foundation for AI search too: assistants that retrieve web pages depend on pages that search engines can already find.

What SEO actually is

SEO is the work of earning free, ongoing visibility in search results. When someone types "accountant for freelancers" or "emergency plumber near me", a search engine decides which pages to show and in what order. SEO is everything you do to deserve a place in that list.

It is different from paid search. With ads you pay for each click and the traffic stops when the budget does. With SEO you invest in pages and a site that keep working. The trade-off is time and uncertainty: nobody can promise a position.

Google describes the job plainly in its SEO Starter Guide: make your site easy for Google to find, make the content useful, and make sure Google can see your pages the way a user does. Most of SEO is that, done thoroughly and kept up.

The three parts of SEO

Think of SEO as three questions. Can the search engine reach and read your pages? Do your pages answer what people are really searching for? Does your site look trustworthy enough to recommend? Each question maps to a part of the work.

  • Technical SEO: crawling, indexing, speed, mobile display and clean URLs. This is the plumbing. See the technical SEO audit.
  • Content and relevance: pages built around the questions buyers ask, matched to what they want. See keyword research.
  • Authority and trust: who you are, what you have done, and who vouches for you. Google calls its quality framework E-E-A-T: experience, expertise, authoritativeness and trustworthiness.

How search engines decide what to show

Google says Search works in three stages: it crawls pages, indexes what it finds, then serves results for a query. A page that fails at an early stage never reaches the next one. Our guide to how search engines work walks through each stage.

Ranking uses what Google calls hundreds of factors, including the searcher's location, language and device. Google does not publish a list, and no outside tool can see all of them. That is why honest SEO focuses on fundamentals and testing, not on chasing single "ranking factors".

Google also states that it does not guarantee it will crawl, index or show any page, even when the page follows its Search Essentials. Plan for that uncertainty rather than being surprised by it.

Why SEO matters to a business owner

Search is where buyers start when they already have a need. Someone searching "VAT registration help" is further along than someone who saw a banner ad. Ranking for that question puts you in front of them at the moment they are looking.

SEO also compounds. A page that earns its place keeps bringing visitors without a per-click fee. The cost shows up as ongoing work: publishing, fixing, updating. Treat it as an asset you maintain, not a campaign you finish.

It also feeds your other channels. The pages you write to rank are the pages an assistant may quote. Read AEO vs SEO vs GEO to see how the two connect, and our AEO service for how we extend SEO into AI answers.

How to start, step by step

  • Confirm Google can reach your site: check that important pages are indexed using a site: search and Google Search Console.
  • List the ten questions buyers ask just before they hire or buy. This is your first keyword research.
  • Give each question one page that answers it directly, with a clear title and a plain description of who it is for.
  • Fix technical blockers: crawlability and indexation problems, slow pages, broken links.
  • Link your pages together with descriptive anchor text so people and crawlers can move between them.
  • Measure monthly in Google Search Console, then improve the pages that get impressions but few clicks.

How to measure SEO

Start with Search Console's Performance report. It shows clicks (visits from Google), impressions (times you appeared), click-through rate (clicks divided by impressions) and average position. The Queries tab shows the words people typed, and the Pages tab shows which URLs earn the clicks.

Then connect it to the business. Count enquiries, calls and bookings that started from organic search. A rise in impressions with no change in enquiries usually means you are visible for the wrong questions.

Judge trends over months, not days. Google suggests waiting a few weeks before judging a change. Report monthly and compare quarters, because seasonality will mislead a week-to-week view.

When SEO goes wrong, and what is changing

SEO fails in predictable ways: pages that cannot be crawled, pages that target no real question, thin or copied content, and sites with no signs of who is behind them. Google's guidance on helpful content warns against content made mainly to attract search traffic, mass-produced pages and changing dates to look fresh.

The surface is also changing. Google now shows AI features above some results, and assistants such as ChatGPT answer questions without a list of links. The work that earns a citation still starts with pages that are findable and credible, which is why SEO remains the base layer.

Examples by industry

Illustrative scenarios, not client results. Pick the one closest to your business.

  • ACCOUNTING AND FINANCIAL FIRMS

    A fictional three-partner accounting firm that serves freelancers and small companies.. The site has a single "Services" page and the partners want enquiries from people searching for help with tax registration and bookkeeping.

    1. List the questions prospects ask before hiring, such as how to register as self-employed, and note which the site already answers.
    2. Split the single services page into separate pages, one per service, each with its own question as the title.
    3. Add the partners' names, qualifications and the types of client served so the pages show real expertise.
    4. Verify Search Console and watch which queries bring impressions to each new page.

    Takeaway: One page per buyer question, written by named experts, is the core of SEO for a service firm.

  • TRADES, CONTRACTORS AND HOME SERVICES

    A fictional electrician serving one city, with a one-page website.. Nearly all work comes from referrals, and the owner wants to be found by people with urgent problems.

    1. Create a page for each core job, such as fuse box upgrades and emergency call-outs, naming the areas served.
    2. Add the business address, phone number and licence details consistently across the site.
    3. Make sure the site loads quickly on a phone, since most urgent searches happen there.
    4. Track calls and form submissions that begin from organic search.

    Takeaway: For local trades, SEO is mostly clear job pages, accurate details and a fast mobile site.

  • E-COMMERCE BRANDS

    A fictional online shop selling outdoor gear.. Product pages exist, but category pages are thin and many products have near-identical descriptions copied from suppliers.

    1. Write original descriptions for the best-selling products first, covering sizing and use.
    2. Give each category page a short buying guide that answers common questions in that category.
    3. Check that filtered and sorted URLs do not create dozens of duplicates, using canonical tags.
    4. Review Search Console to see which product and category pages have impressions but few clicks.

    Takeaway: In e-commerce, SEO combines original page content with careful control of duplicate URLs.

HOW WEBTEC DOES IT

How Webtec does SEO: how we do it

We start by finding where search visibility is already leaking, then fix access and relevance before adding anything new. Every client has a project manager and receives one report each month.

  • A technical and content audit to find what blocks indexing and what pages are missing.
  • Question-led page planning tied to what your buyers ask before they hire or buy.
  • Monthly reporting from Search Console and analytics, tied to enquiries not vanity metrics.
  • A six-month engagement recommended, with no rankings guaranteed.
All SEO guides

Common mistakes

  • Buying "guaranteed rankings". No one controls Google, and Google itself says it does not take payment to rank sites. You pay for work that may not move anything.
  • Writing pages for keywords instead of buyers. The page ranks for nothing useful, or ranks and does not convert.
  • Ignoring technical access. A blocked or broken page cannot appear, however good the writing is.
  • Judging results after two weeks. Changes can take from hours to months, so you undo work before it has had time to act.
  • Publishing mass-produced pages. Google lists this as a warning sign of search engine-first content and it dilutes the site.
  • Hiding who is behind the business. No author, address or proof of experience gives Google and buyers little reason to trust you.

Checklist

  • Your homepage and main service pages appear in a site: search on Google.
  • Each service page targets one clear question or need, in its title and first paragraph.
  • Every page has a unique, accurate title and a short description.
  • Google Search Console is verified and someone checks it monthly.
  • Important pages load fast on a phone and show no layout jumping.
  • Pages link to each other with descriptive link text.
  • Authors, business details and real proof (reviews, credentials, case work) are visible.
  • Enquiries from organic search are counted separately from other channels.

Questions

What is SEO in simple terms?

SEO is the work of making your website easy for search engines to find and understand, and worth recommending, so people searching for what you sell see your pages. It covers three things: technical access, content that matches real questions, and signs of trust. It is free visibility in the sense that you do not pay per click, but it costs time and skill. Google says no technique guarantees a first-place result.

How long does SEO take to work?

Expect months, not weeks. Google's SEO Starter Guide says changes can take from a few hours to several months to show, and suggests waiting a few weeks before judging a change. New sites and competitive topics sit at the slow end. A six-month view is a fair first test, with early signs such as more pages indexed and more impressions appearing sooner. Anyone promising a fixed timeline for rankings is guessing.

How much does SEO cost?

It depends on competition, the state of your site and how much content you need. Costs are usually monthly, covering technical fixes, content and reporting. Beware of low fixed prices with guaranteed rankings. At Webtec, SEO is billed monthly with one report each month and a project manager, and we recommend a six-month engagement. We do not guarantee positions because nobody can. Ask any provider what is included each month.

Is SEO still worth it now that AI answers exist?

Yes, because assistants that retrieve web pages lean on pages that search engines can already find and trust. SEO gives you the crawlable, credible pages that AI answers draw from. It is no longer enough on its own, since being named in an answer is a different goal from ranking in a list. Our AEO guides cover that extra layer, and the two run together.

Do I need SEO if I already run ads?

Probably, because the two do different jobs. Ads buy immediate visibility and stop when you stop paying. SEO builds visibility that keeps working. Many businesses use ads to test which questions and offers convert, then build organic pages for the ones that do. If most of your enquiries stop the day ads pause, you are renting your visibility.

Does SEO work for local and service businesses?

Yes. Local buyers search for a service plus a place, and the pages that answer that question win the visit. Accountants, law firms, clinics and tradespeople all depend on being found at the moment of need. The method is the same: clear service pages, accurate business details, and proof of real work, then monthly measurement in Search Console.

Sources

Webtec reviews this page regularly. Search and platform features change, so check provider documentation for the latest. How we research and verify our guides.

Adnan Gourija

Adnan Gourija

Head of Search Marketing at Webtec (SEO and AEO). Leads search marketing at Webtec: the SEO and AEO strategy that gets a business found in Google and named in AI answers.

Related guides

Pick up where this one leaves off.

All SEO guides
  1. 01Learn guide · SEOHow search engines workSearch engines work in three stages: crawling, indexing and serving results. Learn what happens to your page at each stage and where pages get stuck.
  2. 02Learn guide · SEOThe technical SEO auditA technical SEO audit checks whether search engines can reach, read and index your site. See what to check, in what order, and how to prioritise the fixes.
  3. 03Learn guide · SEOKeyword researchKeyword research finds the words your buyers search and the intent behind them. A step-by-step method, with how to judge volume, difficulty and intent.
  4. 04Learn guide · SEOCrawlability and indexationCrawlability is whether search engines can reach your pages. Indexation is whether they store them. Learn the controls, the common errors and how to fix them.
  5. 05Learn guide · SEOCore Web VitalsCore Web Vitals are Google's three measures of loading, responsiveness and visual stability. See the thresholds, how to test them and how to fix each one.
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