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What Is SEO and How Does It Work?

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Lachlan Nye
Author Lachlan Nye

Director of Growth at Salt Agency, a Brisbane-based performance and creative growth marketing agency. He leads…

What Is SEO and How Does It Work?

Individual typing on a laptop outdoors with snow, accessing the internet.

If you’ve ever typed a question into Google and clicked on one of the top results, you’ve experienced SEO in action. Search Engine Optimisation (SEO) is the practice of helping your website rank higher in search engine results so that more people can find you organically. For businesses in Brisbane and beyond, SEO is no longer optional – it’s the backbone of a strong digital presence. In this guide, we’ll break down what SEO actually is, how search engines work, and why partnering with a dedicated agency like Salt Agency can turn SEO into one of your most profitable marketing channels.

What Exactly Is SEO?

SEO stands for Search Engine Optimisation. At its simplest, it’s the process of improving a website to increase its visibility when people search for products or services related to your business. The better your visibility in search results, the more likely you are to attract attention and convert visitors into customers.

Unlike paid advertising (like Google Ads), SEO focuses on organic (non-paid) traffic. You can’t buy your way to the top of the organic results – you have to earn that position by proving to Google that your site offers the best answer to a user’s query. That’s why SEO is often described as a long-term investment: it takes time to build authority and trust, but the returns compound beautifully.

How Search Engines Work: Crawling, Indexing, and Ranking

To understand SEO, you need a basic grasp of how search engines like Google operate. Search engines have three main stages:

Crawling

Search engines send out automated bots – often called “spiders” or “crawlers” – to discover new and updated pages on the web. These bots follow links from one page to another, much like you would click from one Wikipedia article to the next. Your website needs to be crawlable; if a bot can’t find your page, it won’t be indexed.

Indexing

Once a page is crawled, the search engine tries to understand what it’s about. It analyses the text, images, videos, and other content, then stores that information in a massive database called the index. Think of the index as a library of every web page the search engine knows about. If your page isn’t indexed, it won’t show up in results.

Ranking

When someone performs a search, Google scours its index for the most relevant and authoritative pages. It uses hundreds of ranking factors – including content quality, website speed, mobile-friendliness, backlinks, and user experience – to decide the order in which results appear. The goal of SEO is to optimise each of those factors so your page climbs the rankings.

The Key Components of SEO

SEO isn’t a single tactic; it’s a combination of strategies that all work together. Most experts group them into three main pillars.

On-Page SEO

On-page SEO refers to everything you can control directly on your website to improve its ranking. This includes:

  • Keyword research and targeting: Finding the exact words and phrases your potential customers use.
  • Title tags and meta descriptions: Writing compelling, keyword-rich snippets that show up in search results.
  • Header tags (H1, H2, H3): Structuring your content so both users and search engines can easily scan it.
  • Content quality: Creating original, valuable content that answers questions and solves problems.
  • Internal linking: Connecting related pages on your site to help search engines understand your site structure.

Off-Page SEO

Off-page SEO involves actions taken outside your own website to build authority and trust. The most important factor here is backlinks – when other reputable sites link to your content, it signals to Google that your site is a credible resource. Social media marketing, guest blogging, and influencer outreach all fall under off-page SEO. But quality matters far more than quantity; one link from a respected industry site can be worth dozens from low-quality directories.

Technical SEO

Technical SEO ensures that search engines can effectively crawl and index your site. This includes optimising your site speed, making sure your website is mobile-friendly, using a clean URL structure, creating an XML sitemap, and implementing structured data (schema markup). Technical SEO is the foundation – without it, even the best content might never get discovered.

Close-up of a tablet displaying Google's search screen, emphasizing technology and internet browsing.

Why SEO Matters for Your Business

You might be wondering: “With all the social media and paid ads available, do I still need SEO?” The answer is a resounding yes. Here’s why:

  • Organic traffic is sustainable. Unlike paid ads that stop the moment you pause spending, SEO traffic keeps flowing as long as you maintain your rankings.
  • Users trust organic results. Studies consistently show that searchers click on organic listings far more often than paid ads. Being at the top of organic results builds credibility.
  • SEO supports every other channel. When someone hears about your brand on social media and Googles you later, a strong SEO presence ensures they find a professional, informative website. This is where your entire online ecosystem connects. For more on how your digital channels can work together, check out our own journey and insights.

How Salt Agency Can Help with SEO

As a Brisbane-born full-service agency, Salt Agency combines creative design, technical development, and data-driven SEO to deliver real results. We don’t believe in shortcuts or cookie-cutter templates – every SEO strategy is custom-built for your business goals. Our team handles everything from technical audits and keyword research to content creation and link building.

Because we have in-house videography, photography, and content production, we can create the kind of high-quality assets that search engines – and users – love. And because we also manage Google Ads and Meta Ads, we can align your organic and paid strategies for maximum impact. Whether you’re launching a new website or overhauling an existing one, our SEO services are designed to make every click count. To see how we can tailor an SEO plan for your brand, visit our SEO and digital performance services page.

Frequently Asked Questions

How long does SEO take to show results?

SEO is not an overnight fix. Typically, you can start seeing improvements in rankings and traffic within 3 to 6 months, but significant results often take 6 to 12 months. The timeline depends on your industry, competition, and the current state of your website.

Can I do SEO myself?

Absolutely – basic SEO like writing keyword-rich titles and improving page speed can be done in-house. However, for competitive industries or medium-to-large businesses, the technical complexity and ongoing effort usually require an experienced agency to achieve the best return on investment.

What’s the difference between SEO and Google Ads?

SEO drives organic traffic that you don’t pay for per click, while Google Ads (Pay-Per-Click) charges you each time someone clicks your ad. SEO is a long-term strategy; Google Ads can bring immediate traffic. Many businesses use both together for maximum visibility.

Does social media affect SEO?

Social media signals (likes, shares, followers) are not direct ranking factors. However, social media can amplify your content, leading to more backlinks and brand searches – both of which positively affect SEO.

Is SEO still relevant with AI and generative search?

Yes. While AI-powered search (like Google’s Search Generative Experience) is changing how results are displayed, the need for authoritative, well-optimised content remains. SEO is evolving to include Generative Engine Optimisation (GEO), but the core principles of quality content and technical excellence are more important than ever.

References

The information in this article is based on industry best practices and widely accepted SEO principles as of 2025. For ongoing updates, we recommend following resources like Google’s Search Central documentation, Moz, and Search Engine Journal. However, the most reliable SEO advice is tailored to your unique business – which is exactly what Salt Agency provides for clients in Brisbane and across Australia.

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Frequently asked questions about Salt's marketing services

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What does Salt Agency actually do?

Salt is a performance and creative marketing agency in Brisbane. Salt builds the strategy, produces the creative, runs the media and reports on what it earned. One team owns the concept and the result.

What marketing services does Salt offer?

Websites, SEO, Google Ads, Meta Ads, organic social, photography and video, branding and design, and fractional CMO. CRM setup, tracking and landing pages are delivered inside wider engagements.

What size businesses does Salt work with?

Established businesses, typically mid-market to enterprise, with a committed marketing budget and a growth target attached. Salt keeps a short client list so every engagement gets senior attention.

Am I locked into a long contract?

Retainers run month to month. Website builds are project based with a fixed scope and a fixed price.

Who will I be working with day to day?

One account manager as the single point of contact, with the specialists delivering the work reachable directly. Decisions are made in hours.

How much does marketing with Salt cost?

Retainers start at $2,480+GST per month and website builds range heavily. Final investment depends on scope, channels and pace. Every proposal carries a fixed price with deliverables itemised.

Is Salt a performance agency or a creative agency?

Both, and the two are inseparable at Salt. Creative that cannot be measured and media with nothing worth running are equally ineffective. The same team owns both.

Does Salt only work with Brisbane businesses?

Salt is based in Albion, Brisbane, and works with clients across Australia. Discovery and strategy run in person for Brisbane clients and remotely elsewhere.

How long until I see results?

Paid search and paid social typically produce measurable results inside the first month. SEO compounds over six to twelve months. Every engagement reports on the first Tuesday of the month.

What happens after the first call?

Salt audits the accounts, website and competitors before a proposal is written. The findings are handed over either way. A proposal follows with fixed pricing and scope itemised.

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