The basicsBoltly blog · Pocket dictionary
What is SEO? A simple definition, then the detail
You've probably been told your business "needs SEO" by someone who never said what it is. Below: a definition you could repeat to a friend, how Google finds and ranks pages, what the work involves, and which popular beliefs Google itself says are wrong. Every claim about Google is traced to Google.
Updated
Nobody can buy a place in the unpaid results. SEO is the work of deserving one.
SPocket dictionary
SEO noun, abbreviation
/ ess-ee-oh /
Short for search engine optimisation.
- Helping search engines understand what each page on your website is about.
- Helping people find your site in the unpaid results and decide whether to visit it.
- The ongoing work on content, site structure and reputation that makes 1 and 2 happen.
Usage "We don't pay for those visits; they come from SEO."
Compare Google Ads (paid placement) · local SEO (nearby searches)
- organic
- the unpaid results, chosen by Google's systems
- index
- Google's database of pages it has crawled and kept
- SERP
- search engine results page, what you see after searching
Senses 1 and 2 paraphrase Google's SEO Starter Guide.
SEO in one paragraph
SEO, short for search engine optimisation, is the work of helping search engines understand your website and helping people find it in the unpaid results. Google's starter guide says much the same. Done well, it brings visitors who are already searching for what you sell, without a charge for each click.
Sponsored results on a Google page are ads, paid for with each click. The rest are chosen by Google's ranking systems, and Google's "Do you need an SEO?" page says it never accepts money to include or rank sites there.
The person searching "bathroom tiler Geelong" or "tax agent near me" isn't browsing. They have a job to give someone, and SEO is how your business becomes a sensible answer at that moment.
Sources: Google Search Central, "SEO Starter Guide" (updated 10 December 2025) and "Do you need an SEO?" (updated 5 June 2026), read 4 October 2026.
Three stages, and not every page makes it through
Google's search engine works in three stages. Each is a gate, and most SEO problems are a page that failed one of them.
Stage 1
Crawling
Crawlers download text, images and video from pages Google has found, mostly by following links from pages it already knows.
Fails whenthe page is blocked, broken or has no links pointing to it.
Stage 2
Indexing
Google analyses the page and stores what it learns in the Google index, a very large database. Not everything crawled is kept; duplicates and low-value pages may be left out.
Fails whenthe page is a near copy of another, thin, or marked noindex.
Stage 3
Serving results
When someone searches, Google returns the indexed pages its systems judge most relevant and helpful, allowing for the searcher's location, language and device.
Fails whenother pages answer the search better.
Google doesn't guarantee to crawl, index or show any page, even one that follows every guideline, so be wary of anyone promising specific results. Our technical SEO guide covers crawling and indexing.
Source: Google's in-depth guide to how Search works, on Search Central (last updated 18 December 2025), checked 4 October 2026.
What Google weighs when it chooses results
Google doesn't publish weighted ranking factors, but its guide to ranking systems names what those systems look at. Four matter most to a small business.
- Google's systems try to work out what a search means, including synonyms and intent, then find pages that match it. A page that answers the question in the words customers use has an easier time.
- Google says its systems aim to reward original, high-quality content made for people. Its helpful content guidance asks whether a page shows first-hand expertise and leaves the reader feeling they've learned enough.
- Links count too. Google's ranking guide lists link analysis systems, including PageRank, one of its core ranking systems since launch.
- Pages that load quickly, work on phones and don't bury content under pop-ups fit what Google rewards, though relevance comes first.
Google also uses site-wide signals. A site full of thin pages made only to rank can hold back its good ones, which is why we'd rather help a business publish ten useful pages than a hundred weak ones.
Sources: Google Search Central, "A guide to Google Search ranking systems" (updated 10 December 2025) and "Creating helpful, reliable, people-first content" (updated 1 October 2026), read 4 October 2026.
The four areas of SEO
A small business doesn't need equal effort on each area; the right mix depends on where you're weakest.
Content and on-page
Saying clearly what you do
A useful page for each service or product, in the words customers search with, under a clear title. For most small businesses the biggest gains are here. See our on-page SEO guide.
Technical
Letting Google in
Pages that can be crawled and indexed, load quickly on phones and don't exist in duplicate versions. Usually a one-off clean-up, then occasional checks.
Links and reputation
Being worth mentioning
Earning links and mentions from relevant sites: suppliers, associations, local media, partners. Bought links break Google's spam policies. See our link building guide.
Local
Showing up nearby
For businesses serving an area: a complete Google Business Profile, genuine reviews and consistent details. Often the fastest win. See what local SEO is.
Six SEO myths, checked against Google's documentation
Bad SEO spending usually starts with one of these beliefs. Google has answered each in writing.
Myth: you can pay Google to rank higher in the normal results.
Google: it never accepts money to include or rank sites in its search results. Paid placement means labelled ads.
"Do you need an SEO?"Myth: a good agency can guarantee first place.
Google: "No one can guarantee a #1 ranking on Google."
"Do you need an SEO?"Myth: you must submit your site to Google before it can be found.
Google: most sites in its results are found and added automatically while it crawls. A sitemap can help a new site; a paid submission service won't.
SEO Starter GuideMyth: longer pages always rank better.
Google: it has no preferred word count. A page should be as long as the question needs.
"Creating helpful, reliable, people-first content"Myth: AI-written content gets you penalised.
Google: its systems aim to reward high-quality content however it's produced; mass-produced content made to manipulate rankings breaks its spam policies.
Google Search Central blog, 8 February 2023Myth: a "Google Partner" badge means an agency can lift your normal rankings.
Google: the Partner badge is earned through Google Ads: an optimisation score, a 90-day ad spend threshold and Ads certifications. None of it covers organic search.
Google Ads Help, "How to become a Google Partner or Premier Partner", read 5 October 2026The starter guide puts it bluntly: there are no secrets that will automatically put your site first. AI answers are no different. Google says there are no extra requirements to appear in AI Overviews or AI Mode; our article on SEO for AI search explains more.
Rankings look fine, but visits have dropped. What happened?
Often nothing is broken: the question was answered on the results page. When an AI Overview or a quick answer covers a simple question, fewer people click through, even though your page still ranks where it did.
Pew Research found in July 2025 that users clicked a traditional result on 8% of visits where an AI summary appeared, against 15% where none did. That was a US panel; check your own site. In Search Console's Performance report, compare the last three months with the same period a year earlier, with average position and CTR ticked. If position held steady, impressions rose and click-through fell on "what is" and "how to" searches, that's answers on the results page, not a penalty.
Searches that tend to keep their clicks
Someone ready to act: "plumber open now", a service plus a suburb, a price or a booking. They want a business, not a paragraph, so the click still happens.
Searches that tend to lose them
Quick facts and definitions. A post that answers "what does a strata manager do" may now be read in summary on Google, and that's fine if it was never bringing customers.
So judge SEO by enquiries, not sessions. A monthly report full of impressions and traffic charts can hide a flat line in enquiries. Set up two things: calls and form submissions counted as conversions in Google Analytics, and a "how did you find us?" question on every enquiry. Then compare enquiries from organic search with the same month last year. Our Portable Pods case study is measured this way: 45 leads in 30 days.
Source: Pew Research short read, 22 July 2025 (March 2025 browsing data, 900 US adults), read 5 October 2026.
SEO or ads, how to start, and how long it takes
Ads are fast and stop when you stop paying; SEO is slower and keeps working for a while after the work stops. Our SEO vs Google Ads article compares the two.
On timing, Google's starter guide says some changes show in hours and others take months. Anyone promising page one by a date is guessing; our article on how long SEO takes explains the wide range.
You can do a lot yourself: Google's page on hiring an SEO says a small local business can probably handle much of the work. If you'd rather hand it over, our DIY vs agency article helps you decide, and the small business SEO page shows how we work.
A first monthFor a small business site
- Verify Search Console.See which searches already show your site and which pages Google has indexed.
- Claim your Business Profile.If you serve an area, this is usually the quickest win.
- One page per service.Plain words, real prices or ranges if you can, photos of your own work.
- Fix the obvious.Slow images, broken links, a missing phone number on mobile.
- Ask for reviews.Every happy customer, every week, with nothing offered in return.
What is SEO, answered
What is SEO?
SEO is the work of helping search engines understand your website and helping people find it in the unpaid search results. It covers your content, your site's technical health, the links and mentions you earn, and for local businesses, your Business Profile and reviews.
What does SEO stand for in marketing?
Search engine optimisation. In marketing it refers to earning visits from the unpaid results on Google and other search engines, as opposed to paid search ads.
How does SEO work on Google?
Google crawls pages, indexes what they contain, and serves the most relevant, helpful ones for each search. SEO gets your pages through all three stages and makes them the better answer for your customers' searches.
Is SEO dead in 2026?
No. Google's documentation for its AI features says SEO best practices still apply, because AI Overviews and AI Mode draw on the same ranking systems. Simple questions now often get answered on the results page, so useful, specific pages matter more.
How long does SEO take to work?
Google's starter guide says some changes take effect in hours and others take several months. New sites and competitive markets sit at the slow end. Judge progress over months, using Search Console.
Can I do SEO myself?
Often, yes. Google says a small local business can probably do much of its SEO itself, starting with the SEO Starter Guide.
What is the difference between SEO and GEO?
GEO (generative engine optimisation) is a label for work aimed at AI search answers. Google says that, for its own search, work aimed at generative AI features is still SEO, and needs no special files or markup.
Google's autocomplete suggested "what is seo", "what does seo stand for in marketing", "how does seo work on google", "is seo dead in 2026" and "what is seo and geo" when we searched from Australia on 4 October 2026.
Want to know where your site stands?
Our free audit checks the three stages on your key pages and tells you what to fix first.