Search Engines for Dummies

by: Jim Grayson
Total views: 280
Word Count: 408

Almost all of us use computers in daily life, whether that's out of necessity in the workplace, or out of the pursuit of pleasure in our spare time. With computers comes of course the internet, and with the internet comes the search engine. We all know that in the vast labyrinth of information that is the internet we need something to do the hard work of finding what we actually want, but how many of us know how these amazing sites work? Below is a short guide to the ins and outs of the nifty search engines we use every day, see if you're not amazed at how much information they sort through!

Through specific tools you can undergo keyword tracking with brand protection software. If you represent a brand, it is important that you rank highly in search because the search engine can become the source of significant revenue.

A search engine basically performs three different tasks to get to the mass of data that exists on the web, and the specific sites that you want to access. These three tasks are called Web Crawling, Indexing and Searching.

The search engine usually has information about millions of web pages stored, which is received from the site itself. It is the job of a web crawler to then follow every link that it comes across, and then make a copy of all the visited pages, keeping the pages up to date. Indexing is the next task, and is the process of analysing all the web pages to display relevant information by extracting text from titles for example, or Meta tags.

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When a search engine user such as you or I enters a search query, such as ‘holidays in Spain', the search engine scours its index of saved web pages and comes up with a list of sites which it deems relevant, according to pre-programmed criteria. Many search engines support the use of ‘Boolean Operators', which are the words AND, OR, and NOT. When included in a search term these words should change the web pages which are brought back, for example using NOT Italy to exclude holidays in Italy as opposed to Spain. Some site even the support the use of a proximity search, whereby users can search for terms which are a certain distance apart.

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