indexed and crawling
 

What is the difference between indexed and crawling

Indexing and crawling is the process of the search engines which helps sites to get good rank in google search engine.

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Crawling - Process of fetching all the web pages linked to a website. This task is performed by a software, called a crawler or a spider (or Googlebot, in case of Google).

Indexing - Process of creating index for all the fetched web pages and keeping them into a giant database from where it can later be retrieved. Essentially, the process of indexing is identifying the words and expressions that best describe the page and assigning the page to particular keywords.

Indexing means to submit your website in Google webmaster to get it indexed by Google just like an index in a library which lists all the books available in the library. But, here Google index all the web pages of a website that Google knows about it.

After indexing a website in Google webmaster it starts crawling all the web pages as per the lists. This crawling of web pages is performed by the software named robots.txt or a spider.

Crawling is the process of an engine requesting — and successfully downloading — a unique URL. Obstacles to crawling include no links to a URL, server downtime, robots exclusion, or using links (such as some JavaScript links) from which bots cannot find a valid URL.

Indexing is the result of successful crawling. I consider a URL to be indexed (by Google) when an info: or cache: query produces a result, signifying the URL’s presence in the Google index. Obstacles to indexing can include duplication (the engine might decide to index only one version of content for which it finds many nearly identical URLs), unreliable server delivery (the engine may decide to not index a page that it can access during only one-third of its attempts), and so on.

thanks for this information

Hello Friends,

If your website has not been being cached for a long time, it means your work to get website ranked, is going waste. For effective Search engine optimization, your website should be kept on cached.