day 4,I learned about the brief introduction about SEO(Search Engine Optimization) &The use of key elements in SEO....
SEO(Search Engine Optimization):-
Search engine optimization is a methodology of strategies, techniques and tactics used to increase the amount of visitors to a website by obtaining a high-ranking placement in the search results page of a search engine (SERP) -- including Google, Bing, Yahoo and other search engines.
Algorithms:-
Search engines use algorithms to calculate how worthy a page is to a relevant search query. There are hundreds of factors (Google uses over 200 ranking factors) that are used to calculate the authority of a webpage, and PageRank (based on a scale of 0 – 10) is one of them.
Google assigns PageRank to every webpage it crawls. When another website links to your website, some of its PageRank is passed on to you. The more sites there are out there linking to you, the higher your PageRank will be and the more trustworthy your site will look to search engines.
Crawling:-
Search engines use bots or “spiders” to crawl billions of pages across the web by following links they find from billions of pages around the web.
Indexing:-
Search engines then store the information it collects into its index.
Ranking:-
When a search query is entered, a search engine digs into its index for pages matching the user’s search query, then sorts and displays the most relevant results to the user.
The order in which the pages are displayed are calculated by search engine algorithms, taking into account hundreds of ranking factors. Each page is then given a ranking score.
In order to rank highly on the search engines, your site needs to score higher than all the other sites that are eligible to show up for a relevant search query.
The use of Key words in SEO:-
Settling on the right SEO keywords is a delicate process involving both trial and error, but the basics are easy to understand. Here we’ll walk you through researching what your customers are looking for, discovering those keywords that will help you rank on a search engine results page (SERP), and putting them to work in your online content.
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