A very brief and simple explanation of how search engines work.
1.Search engines (in a nutshell) Brought to you by evolvingnewsroom.co.nz
2. The world wide web is made up of pages 3. w Squillions of pages 4. w Search engines use web crawlers (or spiders) to trawl the world wide web looking at pages and indexing information on them such as headlines, titles, text and metadata By Olddanb on Flickr 5. Search engines storethe indexed information about web pages for later reference By Tim Dorron Flickr 6. When we type keywords into a search engine Swimming pool safety t (Key words) 7. the search engine looks through the indexed pages for our keywords 8. It singles out the pages that feature our keywords and has a closer look 9. It calculates how often and how prominently our keywords appear on each page
How many times keywords appear
10. Where keywords appear 11. Page title 12. A few more things