What is the crawler ?
 

Hello friends,

Please tell me, What is the crawler ?

A crawler is a program that visits Web sites and reads their pages and other information in order to create entries for a search engine index.

Typically, special crawler software visits your site and reads the source code of your pages. This process is called “crawling” or “spidering“. Your page is then compressed and put into the search engine’s repository which is called an “index”. This stage is referred to as “indexing“. Finally, when someone submits a query to the search engine, it pulls your page out of the index and gives it a rank among the other results it has found for this query. This is called “ranking“.


Usually for indexing, crawler-based engines consider many more factors than those they can find on your pages. Thus, before putting your page into an index, a crawler will look at how many other pages in the index are linking to yours, the text used in links that point to you, what the PageRank is of linking pages, whether the page is present in directories under related categories, etc. These “off-page” factors are a significant consideration when a page is evaluated by a crawler-based engine. While theoretically, you can artificially increase your page relevance for certain keywords by adjusting the corresponding areas of your HTML code, you have much less control over other pages in the Internet that are linking to you. Thus, off-page relevance prevails in the eyes of a crawler.

Typically, special crawler software visits your site and reads the source code of your pages. This process is called “crawling” or “spidering“. Your page is then compressed and put into the search engine’s repository which is called an “index”. This stage is referred to as “indexing“. Finally, when someone submits a query to the search engine, it pulls your page out of the index and gives it a rank among the other results it has found for this query. This is called “ranking“.

Usually for indexing, crawler-based engines consider many more factors than those they can find on your pages. Thus, before putting your page into an index, a crawler will look at how many other pages in the index are linking to yours, the text used in links that point to you, what the PageRank is of linking pages, whether the page is present in directories under related categories, etc. These “off-page” factors are a significant consideration when a page is evaluated by a crawler-based engine. While theoretically, you can artificially increase your page relevance for certain keywords by adjusting the corresponding areas of your HTML code, you have much less control over other pages in the Internet that are linking to you. Thus, off-page relevance prevails in the eyes of a crawler.

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crawl is a program of search engine which is index the website.

SEO Crawler makes it easy to crawl any type of website and to get the most important SEO data - title, description, keywords, site structure, missing links, broken links and more.

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What is the crawler?
 

Hello Friends,

The process of web crawling involves a set of website URLs that need to be visited called seeds and then the search engine crawler visits each web page and identifies all the hyperlinks on the page, adding them to the list of places to crawl.

The crawler two parts spider and boots, spider and boots work read your back link.

What is the crawler ? give me some information about that.

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crawl is a program of online search engine which is index the website.

crawlers are robots or spiders(another name given by google), they crawl a webpage and collect data about the page such as keywords, links, metatags, headlines etc, these data is used to categorize and index webpages on search engines.They are essentially a software code or an software event.

The Crawler is an internet bot which systematically browses the world wide web, typically for the purpose of web indexing. It is also called a web spider.

Crawl is a program of search engine which is index the website.

A crawler is a program that visits Web sites and reads their pages and other information in order to create entries for a search engine index. The major search engines on the Web all have such a program, which is also known as a "spider" or a "bot."

Search engines bots crawl your site when you submit sitemap to Google.