Blog
·7 min read

What Is SEO? A Beginner's Guide to Search Engine Optimisation

SEO explained from scratch: what it is, how search engines work, on-page vs technical vs off-page SEO, and what has changed in 2026.

SEO stands for Search Engine Optimisation. It is the practice of improving your website so that it ranks higher in search engines like Google, bringing in organic (non-paid) traffic from people searching for topics relevant to your business.

Why Does SEO Matter?

Around 75% of users never scroll past the first page of Google results. The top three results capture the majority of clicks. Your ranking position directly determines how many potential customers discover you without paid advertising.

Unlike paid ads, where traffic stops the moment you stop spending, SEO builds long-term organic visibility. Well-executed SEO continues to deliver results for months or years after the initial work.

On-Page SEO: Content and Page Optimisation

On-page SEO refers to optimising the elements you control directly on each page of your website.

  • Title tag: Each page needs a unique, keyword-relevant title of 50–60 characters
  • Meta description: A 150–160 character summary shown in search results; directly influences click-through rate
  • Headings (H1–H6): Structure page content clearly; use only one H1 per page
  • URL structure: Short, descriptive, keyword-inclusive URLs
  • Content quality: Original, comprehensive, regularly updated content that addresses user intent
  • Image optimisation: Descriptive alt text, WebP format, compressed file sizes

Technical SEO: Infrastructure and Performance

Technical SEO covers the behind-the-scenes optimisations that allow search engines to crawl and index your site correctly.

  • Page speed: Google's Core Web Vitals (LCP, INP, CLS) are direct ranking factors
  • Mobile-friendliness: Google uses mobile-first indexing
  • HTTPS/SSL: A basic prerequisite for any public website
  • Sitemap.xml: Helps search engines discover all your pages efficiently
  • Structured data (Schema.org): Enables rich results — star ratings, FAQs, how-to steps
  • Canonical tags: Resolve duplicate content issues across similar pages

Off-Page SEO: Authority and Backlinks

Off-page SEO covers signals outside your own website. The most significant factor is backlinks: links from other websites pointing to yours. The more trusted sources link to your site, the more authority Google assigns to it.

Ethical ways to earn quality backlinks: publish genuinely useful content others want to cite; write guest posts for industry publications; register on reputable business directories (Google Business Profile, Yelp, etc.).

E-E-A-T and AI Search in 2026

Google's E-E-A-T framework (Experience, Expertise, Authoritativeness, Trustworthiness) defines the criteria for evaluating content quality. It is especially influential for YMYL (Your Money or Your Life) topics — health, finance, law.

In 2026, SEO extends beyond traditional search rankings. Google's AI Overviews and platforms like ChatGPT and Perplexity now generate direct answers, citing specific sources. These AI systems disproportionately select content that is well-structured, factually verifiable, and aligned with E-E-A-T principles. Optimising for AI citation has become a meaningful complement to traditional search ranking.

Free SEO Tools to Get Started

  • Google Search Console: Search rankings, click data, coverage and Core Web Vitals — free, essential
  • Google PageSpeed Insights: Core Web Vitals analysis and performance recommendations
  • Bing Webmaster Tools: Includes a free backlink analysis tool
  • Ahrefs Webmaster Tools: Free tier with basic backlink and organic traffic data for your domain
  • Screaming Frog SEO Spider: Free up to 500 URLs; technical SEO crawler for errors, redirects, and metadata

Get your website live in minutes

Domain, hosting, SSL and AI content - all included, no technical knowledge needed.

Get Started