Ebay Vs. Bestbuy. Case of stolen goods being sold on ebay. Best buys wants data kept on all transactions.
Search Engine: Google for example aims to maximize revenue by matching the bid for the keyword with clicks. | Feature Video: Organic and paid search| Organic: You don’t pay for it but Google can choose you as the best result based on the content and keywords of your site. Paid: like advertising but you can make it come up at the very moment your customer in interested in.
How they work: 1st match the Query (what people type in) – then the search engine analyzes the query – gives results based on the search index in which derives information from. | 2nd, it ranks the matches and puts it in order – relevance ranking, aided most importantly by identifying how many inbound links -and how important – are on that page.| Google displays title and snippets (excerpt text from page) from page. To be found, a website must be in the search index file of the search engines. |Spiders crawl your homepage and also follows links which is how the index are updated.
Paid Search: 1st-Match Query, 2nd-look in ad database, 3rd-Rank the matches(based on how much you have bid -what you are willing to pay for every click to your site-, and click through rate(of the times your ad is shown, what percentage of it is the ad clicked).
4 general Steps to search success: Choose your key words; Get seen(for organic be in the search index, be in applicable search engines e.g tech should be in technorati); get ranked (use keywords in title, attract links, paid search, etc.); get clicked. | Spiders have difficulty identifying flash website and java script in some instances. You need a different landing page for everytime you use a different keyword.