SEO
What is SEO? A plain-English guide for business owners
Published by Zubair Afzal, responsible editor
First published Updated 9 min read
SEO in one paragraph
SEO stands for search engine optimisation. It means making your website and your online listings easy for Google to find, understand and trust, so that when someone searches for what you sell, your business is one of the results they see.
Google’s own SEO starter guide describes it as helping search engines understand your content and helping people find your site and decide whether to visit. There is no secret formula. Most of it is doing the basics properly, and keeping them that way as your business changes.
For a small business, SEO usually shows up in three places on a Google results page: the map box of local businesses (from your Google Business Profile), the list of ordinary website results, and the AI-written summary that Google now shows above some results, which links to the pages it used.
How Google works
How Google decides what to show: three steps
Google describes its own process in three stages. Every SEO task you will ever be sold fits into one of them, which makes this the most useful thing to understand first.
Crawling: finding your pages
Google’s software follows links from page to page and reads sitemaps to discover what exists. A page nothing links to, or one blocked by a setting on your site, may never be found.
You get: Your question: can Google reach every page that matters?
Indexing: understanding them
Google reads the text, the page title, the headings and the images, works out what the page is about and stores it in its index. Pages that are thin, duplicated or broken may be left out.
You get: Your question: does each page clearly say what it is about?
Serving: choosing what to show
When someone searches, Google picks the pages and businesses it judges most relevant and useful for that searcher, taking into account things like their location, language and device. This is where the ranking happens.
You get: Your question: is your page the best answer for that search, in that place?
What it involves
The four things that matter most for a small business
A website Google can read
Pages that load, work on a phone and are not hidden from Google by mistake. This is called technical SEO, and it comes first because nothing else counts without it. Google indexes the phone version of your site, so the phone version is the one that matters.
Pages that say what you do and where
One clear page for each main service, using the words your customers use, naming the places you serve. Google can only show you for what your pages actually say. This is called on-page SEO or content.
A complete Google Business Profile
The listing that shows on Google Maps and in the map box. Right category, right hours, real photos and reviews. Google says local results are based on relevance, distance and prominence, and a complete profile helps with the first and the last.
Other sites mentioning you
Local news, suppliers, associations and directories that mention or link to you. They tell Google that real people know and trust your business. Buying links breaks Google’s spam policies, so this has to be earned.
Paid or unpaid
SEO compared with paying for ads
| Dimension | SEO (unpaid results) | Search ads (paid) |
|---|---|---|
| What you pay for | The work on your site and listings | Each click on your ad |
| How it is labelled | No label: an ordinary result | Marked “Sponsored” |
| How fast it starts | Usually months | The day the ad goes live |
| When you stop paying | Results fade slowly, if at all | The ads stop at once |
| Can you buy the top spot? | No, Google decides | You bid for position |
| Best for | Steady enquiries over years | Quick tests, launches and short offers |
AI answers
Where AI Overviews and AI Mode fit in
Google now answers some searches with an AI-written summary at the top of the page, called an AI Overview, and offers a separate conversational mode called AI Mode. Both are built from pages in Google’s index and link to the sites they draw on.
Google’s guidance for site owners is that the same SEO practices apply: there are no special requirements and no special markup needed to be included. A page has to be indexed and eligible to show a snippet in ordinary search to be used.
That makes the basics in this lesson more valuable, not less. Assistants such as ChatGPT, Gemini and Perplexity also describe local businesses from what the web says about them, so a business that is easy for Google to understand is usually easier for those tools to describe correctly too.
Judging a sales call
What good SEO sounds like, and what to walk away from
Good signs
- They ask what you sell, where, and to whom before they quote
- They explain what they will change on your site and ask before they do
- They agree the searches that matter with you, in writing
- They talk about months, not days, and say what is not known yet
Walk away
- A guaranteed number one ranking, or a “special relationship” with Google
- A fixed number of links for a fixed price
- Hundreds of near-identical pages for towns you do not serve
- No straight answer about who owns your website and accounts
Questions
Questions owners ask about SEO
What does SEO stand for?
Search engine optimisation. In practice it means search on Google, because that is where most of your customers search, but the same work also helps with Bing, Apple Maps and AI assistants.
Is SEO the same as Google Ads?
No. Google Ads are paid: you pay when someone clicks, the ad is labelled “Sponsored”, and it stops when you stop paying. SEO is about the unpaid results, which Google says you cannot buy your way into.
Does SEO still matter now that Google shows AI answers?
Yes. AI Overviews and AI Mode are built from pages in Google’s index, and they link to the pages they draw on. Google’s own guidance says the same SEO practices apply to them and there is nothing extra you need to do to be included.
What has changed is that some searches are answered on the results page itself, so it matters more that the pages you do have are clear, accurate and worth clicking.
How long does SEO take to work?
Usually months rather than weeks. Google’s own “Do you need an SEO?” page says most SEOs need four months to a year to make improvements and see potential benefit. Fixing a page Google could not index can show sooner; competing for a hard search takes longer.
Can I do SEO myself?
You can do a lot of the basics yourself, especially on your Google Business Profile and your main pages. Lesson five of the Academy lists what fits into an hour a week. Paying for SEO buys time and experience, not access to anything secret.
Can anyone guarantee a number one ranking on Google?
No. Google says plainly that no one can guarantee a number one ranking. Treat any offer that promises a position, or a “special relationship” with Google, as a reason to walk away.
References
Sources for SEO
The official documents and research this page is based on. Platform rules change, so check the source before you act on a detail.
Start here
Next: do you even need a website?
Lesson two looks at what your Google Business Profile can do on its own, and where a website still makes the difference.
Rather check it yourself? Try our free SEO tools