What is SEO and examples?
On-page and technical SEO
On-page SEO covers everything within your control on a given page: titles, meta descriptions, heading structure, and how naturally your target keywords appear in the body content. Technical SEO sits underneath this — page speed, mobile-friendliness, clean URL structures, and structured data (schema markup) that helps search engines and AI systems understand what a page is actually about.
Off-page SEO and content SEO
Off-page SEO is primarily about earning backlinks from other reputable websites — each one acts as a vote of confidence that search engines weigh when deciding how trustworthy your site is. Content SEO is the discipline of producing genuinely useful, well-researched material that satisfies what a searcher actually wants to know, rather than content written purely to contain keywords.
A simple example
Imagine a local bakery's website. On-page SEO means its product pages have clear titles like "Sourdough Loaf — Fresh Baked Daily, [Town]" rather than just "Product 12". Technical SEO means the site loads quickly on a phone. Off-page SEO means a local food blog links to them after a review. Content SEO means they've written a genuinely useful guide on "how to store sourdough bread" that answers a real question people search for.
How the four pillars work together
These four areas of SEO rarely operate in isolation — a page can have excellent content but still rank poorly if it loads slowly (technical) or has zero backlinks (off-page), and equally a technically flawless site with no useful content will struggle regardless of speed. Treating SEO as a single combined discipline, rather than four separate checklists, tends to produce more consistent results.
A second worked example: a local service business
Consider a plumbing company. Content SEO means writing a genuinely useful guide on "how to fix a dripping tap before calling a plumber" — content that satisfies a real search, even if it occasionally talks someone out of calling. On-page SEO means their "Emergency Plumber [Town]" page has that phrase naturally in the title and heading. Off-page SEO means they're listed and linked from local business directories. Technical SEO means the site doesn't time out when someone searches from their phone mid-emergency.
How AI search is changing what "SEO examples" look like
Traditional SEO examples focused almost entirely on ranking in a list of blue links. Increasingly, the same four pillars — on-page, technical, off-page and content — also need to support how AI-powered search summarises and cites sources directly. A well-optimised page today benefits not just from ranking well, but from being clearly structured enough that an AI assistant can confidently quote it as a source.
How to measure whether each pillar is actually working
On-page SEO can be checked by reviewing whether titles and headings genuinely match target search terms. Technical SEO is measured through page speed scores and crawl error reports. Off-page SEO is tracked through the number and quality of referring domains. Content SEO is best judged by engagement metrics like time on page and whether visitors take a meaningful next action.
Key Takeaways
- SEO covers four areas: on-page, technical, off-page and content.
- Each area reinforces the others — none works well in total isolation.
- A simple real-world example makes the four areas easier to recognise in practice.