Search Engines : A 360 degrees panoramic view
What is a Search Engine?
With at least 60,000,000,000,000 (60 trillion) individual pages available online, Internet is undoubtedly the biggest source of digitized information. Search engines like Google and Bing are advanced web software. They help its users find relevant and high quality pages depending on the search queries entered.
Without search engines finding a relevant, high quality page of information, from this huge and ever increasing digital ecosystem, would be just like finding a needle in haystack.
How Search Engines like Google work?
A search engine maintains an index of the web. Based on the query we enter it starts matching relevant pages from its index. Using its ultra powerful ranking algorithm it creates and serves a list of highly relevant links and snippets of pages that match our search queries.
To make this possible Google uses a 3 step process of:
- Crawling – To maintain an updated index of all the web pages, Google continuously crawls the web. It uses web spider programs like Googlebot, to crawl the web. With the help of Back-links and Sitemaps, these crawlers keep on finding and crawling, new and updated webpages.
- Indexing – The next step starts with Googlebot creating large indexes of the words and several other elements it can find on these webpages. Thereafter it processes key page tags and attributes, such as Title tags and ALT attributes.
- Serving Results – The last and final step is processing the user query and serving the results. This step starts with user entering a search query and Google using its complex patented algorithms to rank websites in an order which it feels is best for its users. This ranking order is based on relevance, authority and other ranking factors of the web page with reference to the user’s query.
Google is undoubtedly the most used search engine today. It processes more than 200 factors before determining a rank of any webpage. Google receives at least 3,000,000,000 (3 billion) search queries each day. It is well known for the high quality of results it delivers.
Why do you need SEO services?
You need specialized Search Engine Optimization services because if you want regular traffic from billions of search engine users, you need to ensure that your website ranks in top 5-10 results for the pertinent search terms your potential users or clients are using.
There are some key factors that influence search engine rankings of a webpage. These include the page Content, its relevance to the keyword, Back-links, Page layout, User Experience, Keyword density, Trust, Authority and Social Reputation.
The sheer quantity of web pages available online makes the battle for top rankings extremely fierce. Further when people search, they rarely go past the first page of top 10 results. And even if they do, they don’t spend as much time as they spent on the first page.