Crawling and indexing: Basics you ought to know

Ever wondered how search engines like Yahoo, Google, and Bing trace all the websites and their web pages to give us answers for what we are looking for, and easily feed our curious minds?If yes, then these are the two terms called Crawling and Indexing, which will tell you the secret behind the working of a search engine.

Search engine giant like Google mainly use them for their search purposes, so popularly known as Google crawling and indexing. One should remember that both these terms are different from each other. Like dawn and dusk? Used together but mean different.

 

 

Crawling:

Crawling in simple terms means to move or advance progressively. Wait, even the spiders (other insects as well) crawl!

Crawling is the procedure which search engines use to visit any webpage of the respective website, it is to identify the page so that it can be shown into search results. But it doesn’t mean that necessarily you will get your page shown in the search results, as many other procedures such as page ranking, search engine ranking, indexing etc are also included while displaying the results.

Generally to perform this task, search engines take the help of specific program, referred as ‘crawler’, ‘spider’, ‘bot’. Google uses their bots to crawl over new web pages. These engines have stipulated algorithms according to which crawling takes place. Also the engines look up for the links, you have mentioned in our pages for this purpose.

Crawling simply means to find information from all possible sources, and make them available for the users.

Good site architecture, crawl budget, domain names are some of the factors which determine the rate and chances of crawling.

Server logs here helps us to detect the number of times any search engine has crawled our pages, giving us clear insights and direct information, as they keep records of crawlers and number of times they visited any site.

Indexing:

Getting your web page indexed by search engines is the next step after crawling. Here, one should keep in mind that not every site which got crawled will be indexed but vice versa is quite possible. If the search engine finds the page to be worth of content, information, fulfilling the demands of audience, then there are chances of getting indexed by them.

After getting indexed, next step is of organising the way your web page will be shown in the search results. Search engines like Google uses specific key words and other optimizations to arrange them properly. Here, links take an important role- especially external links, as when your page is indexed, crawlers or bots identify your pages and rest all of the links, which further will be crawled by them, get identified simultaneously.

 

One can identify if their site has been indexed by Google or not, by simply going to Google.com and searching their site name or basically domain name in the advanced search.

Lots of servers are occupied for indexing purposes. Hence thousands and thousands of data are collected and stored appropriately so they can be presented with ease and quick enough.

Google Search index has hundreds of billions of web pages and it is over 100 million gigabytes in size.

You can check the way how Google has been indexing your page, by checking the cached version of your site, by simply searching it on Google Searches and adding bookmark to it. After that, one can create a new bookmark in the browser and providing information accordingly.

 

As for example:

“javascript:location.href=’http://www.google.com/search?q=cache:’+location.href” (without the quotation marks)

When talking about blog post sites like WordPress, here every post and page gets indexed by default. But by going through settings one can disable that mode any time.

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So now when you will search anything on Google, you will know the reason and methods behind it!

1 thought on “Crawling and indexing: Basics you ought to know

  1. Crawling and indexing are two distinct things and this is commonly misunderstood in the SEO industry. Crawling means that Googlebot looks at all the content/code on the page and analyzes it. Indexing means that the page is eligible to show up in Google’s search results. No matter how fast your website’s load, or how detailed your content is, still, it doesn’t matter if it is not index on Google SERP.

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