SEO Fundamentals
Search Engine Optimisation improves a website's visibility in organic search results. Understanding how search engines discover, evaluate, and rank pages is the foundation for all SEO practice.
How Search Engines Work
- Crawling: bots follow links to discover pages
- Indexing: pages are analysed and added to the search index
- Ranking: algorithm ranks indexed pages on hundreds of signals
Core Ranking Factors
- Relevance: does the page address the searcher's query?
- Authority: trusted site? Measured primarily through backlinks.
- Experience: good user experience? Core Web Vitals, mobile-friendly, HTTPS.
- Content quality: accurate and well-written? E-E-A-T.