Search engine optimisation fundamentally divides into two broad categories that work in concert to improve your website’s visibility in search results. On-page SEO encompasses all optimisations you control directly on your website—from content quality to HTML elements—while off-page SEO refers to actions taken outside your website to build authority and trust signals. Understanding the distinction between these two approaches is essential for developing an effective SEO strategy that drives sustainable organic traffic.
Key Insights
- On-page SEO accounts for roughly 30% of ranking factors, while off-page signals like backlinks comprise approximately 40% of Google’s ranking algorithm
- 75% of users never scroll past the first page of search results, making both optimisation types critical for visibility
- Websites with strong on-page foundations convert off-page signals more effectively than those lacking technical fundamentals
- The average top-ranking page has 1,447 words of content, demonstrating on-page content depth requirements
Understanding On-Page SEO
On-page SEO refers to the practice of optimising individual web pages to rank higher and earn more relevant traffic in search engines. This encompasses both the content itself and the HTML source code that search engines crawl. Every element within your website’s control falls under this category, from the words on your pages to how your site is structured technically.
The core components of on-page SEO include title tags,
