SEO is the process of improving the visibility and traffic of a website through organic search results. It involves optimizing a website to rank highly in search engines for targeted keywords so users can easily find the site within the top 10 search results. Search engines use software to continuously scan websites, extract relevant information from pages, and build databases to match keywords from user searches to websites in order to return the most relevant results.

2. SEARCH ENGINE OPTIMIZATION SEO is the process of improving the visibility of a website or a web page in search engines via the "natural" or un-paid ("organic" or “algorithmic") search results. SEO is the process of improving the volume or quality of traffic to a website from search engines through search results and reach to the top 10 position using relevant keywords.

3. MAJOR SEARCH ENGINE

4. HOW SEARCH ENGINE WORKS Search engines use software called spiders, which comb the Internet looking for documents and their web address.

5. HOW SEARCH ENGINE WORKS The documents and Web addresses are collected and sent to the search engine's indexing software.

6. HOW SEARCH ENGINE WORKS The indexing software extracts information from the documents, storing it in a database. The kind of information indexed depends on the particular search engine.Some index every word in a document; others index the document title only.

7. HOW SEARCH ENGINE WORKS When you perform a search by entering keywords, the database is searched for documents that match.

8. HOW SEARCH ENGINE WORKS The search engine assembles a web page that lists the results as hypertext links.