Search engine are not humans but the software that crawls the web page content. So, not like humans search engines are text-driven. They complete a number of activities that bring search results – crawling, scanning and storing (or index), courses of action, measuring pertinence, and recovering. The distinction with an excellence count is that you’re calculating components of design, rather than actions of an individual. For example, some of the elements that are known to build up a quality score are as follows:
• Website names and URLs
• Page content
• Meta tags
• Characteristics of Link
• Usability and accessibility
• Page design
Let’s see how this whole cycle works:
• Crawling: Every search engine has software, known as Crawler or Spider (in case of Google it is Googlebot), that crawls the webpage content. It is not possible for a crawler to see daily if any new page appeared or any existing page is updated, some crawlers may not visit a webpage for a month or two. In this connection, it should be important to remember what all a search engine can crawl: it cannot crawl image, Flash Movies, JavaScript, Frames, Password protected page, and directories. Therefore, if you have majority of these in your website, it would be better to run a keyword simulator test to see if these are viewable by the spider. Those that are not viewable are not spidered and not indexed or not processed. On the other hand, they will be missing for search engines.
• Indexing: Post-crawling content the Spider stores the indexed page in a giant database from where those can be retrieved upon entering a related search string or keyword. For humans this will not be possible, but for search engine, this is every day’s work. Sometimes, the search engines cannot understand the page content. And for that, you need to correctly optimize the page.
• Search work: With every search request, the search engine processes, i.e., it contrasts the key phrases searched with the pages indexed and stored in its record. More than millions of pages have the same search phrases. So, the search engine is an act of measuring the relevancy of all the pages and matches with what it indexed as per the keywords inserted in the SERP.
• Algorithms: A search algorithm is a diagnostic means that takes a puzzle (when there is a search with a particular keyword), sorts through a record that contains cataloged keywords and the URLs that have relevancy with those keywords, estimates some probable answers, and then reverts pages that have the word or phrase that was looked for, either in the body content or in a URL that directs to the page. Three search algorithms are there – On-site, Off-site, and Whole-site algorithms.
Each type of algorithm definitely looks at different aspects of the webpage, such as Meta tags, title tags, links, keyword density, etc., yet they all are part of a much larger algorithm. That is the reason why same search string generates different results in different search engines having distinct algorithms. And all these search engines (primary, secondary, and targeted) periodically do keep on changing their algorithms, so you must know how to adapt to these changes if you want to stay on the top. This requires sound SEO expertise.
• Retrieving: The end–result will be visible in the search results.
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