Every online business would like to get the first ranking in any online search. Marketing department these days spend more time on optimizing the search engine for your website pages and thus monitor your ranking. A lot of time and money is spent in this process, because the end results are for all to see on the net.

Parts of Search Engine

Once you use internet for your searches, the search engine provides an automatic and fast listing of results. This process is often known as “crawling the web” or simply “spiders on web”. By crawling, search engines gather information from websites, web pages and compile them into a database. Search engines not only use the spider or crawler based search but also a human powered directory which is a totally different way of gathering information.

Hence the three important parts of a search engine include: The crawler or the directory, the catalogue or the index or the database and the search engine software.

Search based on Crawler/Spider

Here, search engines use a software program known as spiders or crawlers to find information on the web and store the results in large databases or indexes. These indexes are like a huge electronic filing cabinet which contains true copy of every page the crawler finds. Popular crawler based search engines include Google and Yahoo. Some crawler based search engines record every word of a website in the database, while others record certain keywords listed in title and/or meta tags.

Since these spider crawl the internet every now and then, any changes on a website, may affect the earlier search engine ranking. The popular term used by every online business now – search engine optimization- hence means making the best changes to your website so that it can attain higher ranking for any specific keyword search in organic results. Organic results here means the results you see most often excluding the sponsored results which are usually paid ones.

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