Dirk Rop Tutorial on the google search engine explain cache and what i can do for you request google to index your page by using the Google search console formely known as the google webmaster tools, it is not the cache you have on your google chrome
Google takes a snapshot of each page it examines and caches (stores) that version as a back-up. The cached version is what Google uses to judge if a page is a good match for your query.

Practically every search result includes a Cached link. Clicking on that link takes you to the Google cached version of that web page, instead of the current version of the page. This is useful if the original page is unavailable because of:

Internet congestion
A down, overloaded, or just slow website
The owner’s recently removing the page from the Web
Sometimes you can access the cached version from a site that otherwise require registration or a subscription.

Note: Since Google’s servers are typically faster than many web servers, you can often access a page’s cached version faster than the page itself.

If Google returns a link to a page that appears to have little to do with your query, or if you can’t find the information you’re seeking on the current version of the page, take a look at the cached version.

As part of efforts to provide a clean and simple redesign of the search results page, Google moved cached and similar links within the Instant Previews. Just hover over the search result, then hover over the arrows that appear to the right of the result. Learn more about the recent changes to the Instant Preview feature:

Google

Google is an American multinational technology company specializing in Internet-related services and products that include online advertising technologies, search, cloud computing, and software.Most of its profits are derived from AdWords, an online advertising service that places advertising near the list of search results.

Google was founded by Larry Page and Sergey Brin while they were Ph.D. students at Stanford University, California. Together, they own about 14 percent of its shares and control 56 percent of the stockholder voting power through supervoting stock. They incorporated Google as a privately held company on September 4, 1998. An initial public offering (IPO) took place on August 19, 2004, and Google moved to its new headquarters in Mountain View, California, nicknamed the Googleplex.

A web cache (or HTTP cache) is an information technology for the temporary storage (caching) of web documents, such as HTML pages and images, to reduce bandwidth usage, server load, and perceived lag. A web cache system stores copies of documents passing through it; subsequent requests may be satisfied from the cache if certain conditions are met. A web cache system can refer either to an appliance, or to a computer program.

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