Digital Marketing In Trivandrum

                                         Search Engine and its Function




A Search Engine is a service that allows Internet users to search for content via the World Wide Web (WWW). A user enters keywords or key phrases into a search engine and receives a list of Web content results in the form of websites, images, videos or other online data that semantically match with the search query.Search engines allow users to search the internet for content using keywords. Although the market is dominated by a few, there are many search engines that people can use. When a user enters a query into a search engine, a search engine results page (SERP) is returned, ranking the found pages in order of their relevance. How this ranking is done differs across search engines.

Search engines often change their algorithms (the programs that rank the results) to improve user experience. They aim to understand how users search and give them the best answer to their query. This means giving priority to the highest quality and most relevant pages.


Search engines work through three primary functions:

Crawling: Scour the Internet for content, looking over the code/content for each URL they find. search engines use programs, called spiders, bots or crawlers, to scour the internet. They may do this every few days, so it is possible for content to be out-of-date until they crawl your website again.
Crawling is the discovery process in which search engines send out a team of robots (known as crawlers or spiders) to find new and updated content. Content can vary — it could be a web page, an image, a video, a PDF, etc. — but regardless of the format, content is discovered by links. Google bot starts out by fetching a few web pages, and then follows the links on those web pages to find new URLs. By hopping along this path of links, the crawler is able to find new content and add it to their index called Caffeine a massive database of discovered URLs — to later be retrieved when a searcher is seeking information that the content on that URL is a good match for.




 
Indexing: Store and organize the content found during the crawling process. Once a page is in the index, it’s in the running to be displayed as a result to relevant queries.search engines use programs, called spiders, bots or crawlers, to scour the internet. They may do this every few days, so it is possible for content to be out-of-date until they crawl your website again. 
Once you’ve ensured your site has been crawled, the next order of business is to make sure it can be indexed. That’s right — just because your site can be discovered and crawled by a search engine doesn’t necessarily mean that it will be stored in their index. In the previous section on crawling, we discussed how search engines discover your web pages. The index is where your discovered pages are stored. After a crawler finds a page, the search engine renders it just like a browser would. In the process of doing so, the search engine analyzes that page's contents. All of that information is stored in its index.

Ranking: Provide the pieces of content that will best answer a searcher's query, which means that results are ordered by most relevant to least relevant.search results are ranked based on a number of factors. These may include keyword density, speed and links. The search engine's aim is to provide the user with the most relevant result.
search engines ensure that when someone types a query into the search bar, they get relevant results in return? That process is known as ranking, or the ordering of search results by most relevant to least relevant to a particular query.To determine relevance, search engines use algorithms, a process or formula by which stored information is retrieved and ordered in meaningful ways. These algorithms have gone through many changes over the years in order to improve the quality of search results. Google, for example, makes algorithm adjustments every day — some of these updates are minor quality tweaks, whereas others are core/broad algorithm updates deployed to tackle a specific issue, like Penguin to tackle link spam. Check out our Google Algorithm Change History for a list of both confirmed and unconfirmed Google updates going back to the year 2000.

Although most search engines will provide tips on how to improve your page ranking, the exact algorithms used are well guarded and change frequently to avoid misuse. But by following search engine optimization (SEO) best practice you can ensure that:

  • Search engines can easily crawl your website. You can also prompt them to crawl new content.
  • Your content is indexed for the right keywords so it can appear for relevant searches.
  • Your content can rank highly on the SERP. 


Location: Rahath Towers Tc 48/48 (2),By Pass Road Ambalathara Junction, opp. BM Convention Centre, Ambalathara, Thiruvananthapuram, Kerala 695026, India

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