how search engine works in google search engine
- 1. How Search Engine Works www.digitalmarketingwebexperts.com
- 2. Main Components of a Search Engine • Spider (or “web crawler”) • Indexer • Search software (an algorithm) www.digitalmarketingwebexperts.in
- 3. Lets us Start with SPIDERS www.digitalmarketingwebexperts.com
- 4. • A web crawler (also known as a web spider or web robot) is a program or automated script which Crawls the Website. • In short, All websites are codes and these codes are read by spiders. • So basically a Spider or Spiders are software programs that crawl throughout the internet and select relative data to be INDEXED. www.digitalmarketingwebexperts.com
- 5. • Spiders start by fetching web page and follow the links on those pages and goes to those links point to, and so on. • Until they've indexed a pretty big chunk of the web, many billions of pages stored across thousands of machines. • Next Indexing www.digitalmarketingwebexperts.com
- 6. Let US SEE what is INDEXING ? www.digitalmarketingwebexperts.com
- 7. Indexing the Web Pages www.digitalmarketingwebexperts.in
- 8. • AND This is what indexing does. • Makes data accessible in a Structured format, easily accessible through search. www.digitalmarketingwebexperts.com
- 9. Indexer • Search engine indexing is the process of a search engine collecting, Information and stores data for use by the search engine. • The actual search engine index is the place where all the data the search engine has collected is stored. • It is the search engine index that provides the results for search queries, and pages that are stored within the SERP (search engine results page). www.digitalmarketingwebexperts.com
- 10. What is a Search Algorithms ? www.digitalmarketingwebexperts.com
- 11. • Basically, a search engine algorithm is a set of rules, or a unique formula used to determine the rankings of a web page. • Search algorithm sorts on the basis of many things like location of keyword, synonyms, adjacent words, etc . www.digitalmarketingwebexperts.com
- 12. • Relevancy • Individual Factors • Off-Page Factors www.digitalmarketingwebexperts.com
- 13. Relevancy • This is the First thing every search engine checks. • The algorithm will determine whether this web page has any relevancy at all for the particular keyword. • Location of keywords in that page is also important for the relevancy of that website. • Web pages that have the keywords in the title, as well as within the headline or the first few lines of the text will rank better for that keyword than websites that do not have these features www.digitalmarketingwebexperts.com
- 14. Individual Factors • Each search engine has unique algorithms, and the individual factors of these algorithms are why a search query turns up different results on Google than Bing or Yahoo!. • One of the most common individual factors is the number of pages a search engine indexes. • They may just have more pages indexed, or index them more frequently, but this can give different results for each search engine. • Some search engines also penalize for spamming, while others do not. Digitalmarketingwebexperts
- 15. Off-Page Factors • Off-page factors are such things as click-through measurement and linking. • The frequency of click-through rates and linking can be an indicator of how relevant a web page is to actual users and visitors, and this can cause an algorithm to rank the web page higher. • Off-page factors are harder for web masters to craft, but can have an enormous effect on page rank depending on thesearch engine algorithm. www.digitalmarketingwebexperts.com
- 16. • Beyond the basic functions of a search engine, the relevancy of a web page, the off-page factors. • The unique factors of each search engine help make the algorithms of each engine an important part of the search engine optimization design. www.digitalmarketingwebexperts.com