Indexing- Google allows your website is ready to visible to the users after crwling your website. it has been added your to its database.


Caching- Google will takes a snapshot of your website when it last visited and stored the data in case your website went down or if there are some any other issues.

In my opinion, caching means a webpage is crawled and saved in the search engine's database. And indexing means that website is appeared in Search Engine's results.
For a website, I don't think we should care more about indexing, rather than caching.

Crawling is that the method of associate degree engine requesting -- and with success downloading -- a singular uniform resource locator.
Indexing is that the results of winning travel. I contemplate a uniform resource locator to be indexed (by Google) once associate degree info: or cache: question produces a result, signifying the URL's presence within the Google index.
It means, if we tend to uploaded a replacement web site, then 1st of all computer programme crawler can browse the location and afterward, it'll store all its contents in its Index knowledge Base in an exceedingly totally different format, it'll not place content because it was printed. As a result, the location can seem in search results for optimized keywords.

Thanks for the reply experts.

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Crawling is the first part of having a search engine recognize your page and show it in search results. Having your page crawled does not necessary mean your page was indexed and will be found.

Having your page Indexed by Google is the next step after it gets crawled. By no means does every site that gets crawled get indexed, but every site indexed had to be crawled.

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