Search Engine – The types of search engines and the introduction of the most popular ones
Today, many search engines have been created to help queries users. This article introduces the types of search engines.
Until a few years ago, if you were looking for content, you had to look for people and books that had knowledge in your field, and if your content was very specialized, it would be very difficult to find the resources to get the information you need. With the advent of the Internet and the emergence of different types of search engines, it gradually became easier to find information and every company and individual was able to create a website or database to upload the required data in this Internet network to other people who needed its data. , Can use.
To find content on the Internet, you need a site that can search for your topic based on the query keyword. Therefore, there is a need for different types of search engines to be able to display the information sources you need. In this article, we are going to tell you about the types of search engines along with the techniques, albeit very briefly. An issue that is very important in SEO.
What is a search engine?
A search engine is a tool that extracts and displays the information you need from various databases and sites based on its algorithm.
Today, due to the growth of data publication speed and user search, the use of search engine types has increased. So it is very important that these engines have the right algorithm to be able to display the information needed by users accurately and correctly.
What are the types of search engines?
When it comes to search engine names, the first name (site) that comes to mind is Google; But today, search engines are more than ever, and each has its own performance.
In general, search engine types can be divided into the following two types:
Search engine based on crawling sites and databases
Directories
Search engine based on crawl
One of the general categories of search engines is that it has a spider robot to crawl on the site and crawls on sites, especially new websites, and indexes it based on keyword and other criteria, and if there is no problem, it will be sent to its database for The display saves users. Google is one example of these sites.
Directories
Directories are a type of search engine that stores information, including businesses, activities, etc., based on their specific category. An example of such a site is Yahoo!
First, the business owner, etc., registers his activity information based on his type of work in one of the directory lists. Relevant keywords are also specified.
After submitting his site link and information, his information will be reviewed and approved by the directory administrators based on the list he has placed.
Other types of search engines
Apart from the above two types, search engines can also be divided into smaller subcategories based on their use:
1. Most search engines today display their information in different ways, each with its own algorithms and techniques to display.
For example, we can name Google itself. In addition to displaying site links, Google has a google image, video, products, and google news page, each with its own techniques for displaying a site on its front page. .
2. Some search engines, such as Dogpile, collect and display some intermediate page information from other search engines and directories.
3. Semantic search engines like Swoogle display results in a specific range based on the meaning and concept of the query being searched.
Introducing the top types of search engines
1. Google
Google does not need to be introduced. It is the first and most used search engine.
According to the latest reports released in February 2016, the search volume on Google is 65% and on Bing, which is second, is 21.4%.
2. Bing
At first, Bing tried to catch the competition in local search, but failed. Of course, after Yahoo, it has the most usage among users.
3. Yahoo
Yahoo is a popular directory now managed by Bing. Its email service is still one of the most widely used mail services. Just a few years ago, Yahoo Chat ceased its services.
4. Ask.com
Ask now accounts for 3% of all searches. The basis of Ask site is based on questions and answers that are asked and answered by users.
5. AOL.com
This site has managed to get a 0.6% search share today. The AOL network covers several popular information search websites, including engadget.com, techchrunch.com and the huffingtonpost.com.
6. Baidu
This site was founded in 2000 and is the most popular search engine in China. Due to China’s high population, it is one of the billion search engines in which queries are searched and therefore ranks 4th in Alexa.
7. Wolframapha
This search engine is slightly different from other types. It is actually a computational engine and gives you information, data and formulas for computational and numerical topics.
8. DuckDuckGo
This search engine has many advantages over others. Having a simple user interface does not save users’ information and search path, and not supporting ads is an example of the advantages of this site. Of course, if this site becomes popular among users, it can also compete closely with Google.
9. Internet Archive
Archive.org is an archive of information and history of all sites and domains.
10. Yandex.ru
According to Alexa, this site is in the top one of the four most popular sites in Russia, which displays and introduces products and services. This site accounts for 65% of all searches in Russia.
Types of internal search engines
Many internal search engines have emerged in the last few years, each of which falls into the categories listed above. Of course, most of these search engines are now directories and introduce businesses along with their information. The most famous of this site can be considered the first book.
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