What is spider?

Started by abhirampathak3, 02-25-2013, 22:45:55

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abhirampathak3Topic starter

Spider is called as bot, crawler or robot is a set of computer program that browses World Wide Web in methodical and orderly fashion as well automatically scan the web-page and website for updated content and download a copy to its data center to index.


sundari

They are called spiders because they crawl over the Web in search of content . Search engines gather data about a website by sending' the spider or bots to read' the site and copy its content. This content is stored in the search engine's database. As they copy and absorb content from one document, they create record links and send other bots to make copies of content on those linked documents this process goes on and on. As of now the major search engines have established databases that measure their size in the tens of billions using this process.

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jayanta1

Spider is an automated program that reads WebPages from a website, and then follows the hypertext links to other pages. A program that automatically fetches Web pages. Spiders are used to feed pages to search engines. It is a software program that travels the Web, locating and indexing websites for search engines. Spiders are also called robots and crawlers

vgkumar

A spider is a program which browses the World Wide Web in a methodical, automated manner. A web crawler is one type of bot. Web crawlers not only keep a copy of all the visited pages for later processing - for example by a search engine but also index these pages to make the search narrower.
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cyborgdigital

A Spider is a program, developed to scan the web page. The Spider scans the entire page, indexes it and lists it on the search engine. It evaluates any particular web page based on several different factors such as keywords, table, page titles, body copy etc. Since listings are done automatically, it can change if you change some content of the website.
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Cathrine

           A program that automatically fetches Web pages.Spiders are used  to feed pages to search engines.It is called a spider because  it crawls over  the Web.Another term  for these  programs is Web-crawler.These programs constantly browse  through the web,traveling from  one hyperlink  to another.Thanks a lot.

PearlKelix

#6
In the context of SEO (search engine optimization), "spiders" or "web crawlers" refer to automated programs used by search engines to systematically browse and index the content of websites across the internet. These web crawlers analyze web pages, follow links, and gather information to understand and categorize the content for search engine results pages (SERPs).

When a search engine spider visits a website, it analyzes the content, structure, and metadata to determine how relevant and valuable the site is for specific search queries. This process includes evaluating factors such as keywords, title tags, meta descriptions, heading tags, internal and external links, and overall content quality.
Understanding how search engine spiders work is crucial for website owners and content creators as they optimize their sites for better visibility in search results.

Therefore, the term "spiders" in the context of SEO refers to the automated programs that search engines use to gather information from web pages in order to rank and display them in search results.

also known as web crawlers or bots, are essential for search engines to index and rank websites. These automated programs systematically browse the internet, following links from one webpage to another, and collecting information about the content and structure of websites.

When a search engine spider visits a website, it "crawls" the pages and analyzes various elements to determine its relevance and quality. This includes examining the website's HTML code, meta tags, keywords, headings, and overall content. The information gathered by these spiders is used by search engines to index the content and rank the website in search results.

Understanding how search engine spiders function is vital for website owners and marketers. By optimizing a website's content and structure to be easily understood by search engine spiders, they can improve the site's visibility and ranking in search results. This involves creating high-quality, relevant content, using appropriate keywords, implementing proper meta tags, and ensuring a well-structured website that is easy for spiders to navigate.

In the realm of SEO, spiders, or web crawlers, are integral to search engine optimization. These automated programs are used by search engines to explore and index the vast expanse of information available on the internet. By analyzing the content, structure, and context of web pages, these spiders aid in determining how well a website addresses the needs of search engine users.

When a search engine spider visits a website, it evaluates various elements including keywords, meta tags, heading tags, internal and external links, site speed, and mobile-friendliness. This assessment assists search engines in understanding the relevance and quality of the site's content for specific search queries.

Understanding the behavior of search engine spiders is vital for anyone involved in SEO. By optimizing websites to be easily crawled and indexed by these spiders, site owners and developers can enhance their visibility and rankings in search results. This may involve creating high-quality, relevant content, structuring the website effectively, and ensuring that the technical aspects align with search engine guidelines.


The most popular search engine spiders, or web crawlers, are those used by major search engines like Google, Bing, Yahoo, and others. For example, Google uses a web crawler called Googlebot to discover and index web pages. Bing uses its own web crawler, known as Bingbot.

Google's web crawler, Googlebot, is perhaps the most widely recognized and influential, as Google is the dominant search engine globally. Googlebot continuously crawls the web, discovering new and updated content, and plays a crucial role in determining how websites are ranked in Google's search results.

Bingbot, the web crawler utilized by Microsoft's Bing search engine, also has a significant impact on the indexing and ranking of websites in Bing's search results.

Other popular web crawlers include Baidu's Baiduspider (used for crawling and indexing web pages for the Baidu search engine in China) and Yandex's YandexBot (which crawls and indexes content for the Yandex search engine, primarily used in Russia and neighboring countries).
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creationsweb

Many search engines use programs called spiders to index web sites. Spiders follow hyperlinks and gather textual and meta information for use in the search engine databases. Spiders may also rate the content being indexed to help the search engine determine relevancy levels to a search.search engine "Spider" will read the text and follow the links on a site. As the spider robot moves throughout the pages of a site it is Crawling the site and collecting information for the search engine.


raveenasen

Spider is a catch-all, or generic term for programs and automated scripts that "crawl" through the web (the Internet) and collect data from websites and anything else on the Internet that they can find.


jasminecreed

Spider is also known as web crawler and robots, it systematically browses the world wide web for web locating and indexing merely the new and updated pages. Also, each search engine has its own algorithm to test and measure the quality of the website.