what is cached data
source: hacker noon

With the technological advancements and new features added every day. We always hear many tech jargons such as cache, cookies, etc but we never actually pay attention to them, rather we just get used to it.

So, now I will clear all your basics on this. The first lesson, how do you pronounce cache?

No, it is not like that. Instead, it is pronounced as “cash”, surprised, eh. Cache means “hidden” in literature, owing to its name it is generally hidden from the user and is used by the application software. Keep on reading to discover more buddy.

what is cached data
Source: computer business review

In the case of computers, cache memory is designed separately in the CPU chip. Nowadays, Intel i5 and i7 chips generally come with 6 MB and 8 MB of cache memory inbuilt. Pretty small, huh. Well, it is enough to get the work done.

Let’s start

Let me start with an example. So, assume you are going to a place for the first time, then you will have to take help to reach the destination and it will take time to reach there. But, the next time you will remember the path in your mind to reach there. As a result, you will reach there early.

In the same manner, cache data is the data stored in the device memory. Generally, of any website you visit or of any app you open. The first time it will download all the resources of the website, and it will store it in the device so that it can directly fetch the required files from the device memory instead of downloading it over an over again.

what is cached data
Source: key cdn

This process, when integrated with A.I. is responsible for providing a snappy performance in the new devices, as you see the app launch time of the devices nowadays is nearly negligible. The A.I module analyses your usage pattern over time and automatically fetches the required data files according to your usage statistics from the cache. Resulting in a fluid and lag-free experience.

Is cache necessary?

Yes, surely it is. Cache works anonymously to save up on loading time and initially. In turn, the devices look fast and provide snappy performance. But it is ironic that cache storage is meant to increase performance but gradually it itself degrades the performance.

So, is cache good?

Well, it is indeed but keep in mind that the files stored in your device storage keep on piling up over time and gradually increase the device storage consumption. The device stores the cache file of every site, even if you visit it for just once, so it can be quite annoying. Gradually your device’s performance will degrade and may cause the system to crash.

Therefore, it is necessary to clear the cache data at least, once in a month. You can download a cleaning application to keep the cache memory in the tab. Also, it is recommended to factory reset your device at least once in a year to make sure it works fine.

Is it similar to cookies?

No, at least not totally, Cookies are also stored on your device, but it is stored for the server. When you visit any site, the site stores all the information about your visiting history, password, autofill information, etc. This helps the site to identify your digital identity in case you visit the site again. Cookies automatically expire after a certain time.

what is cached data

The key differences between cache and cookies are

  • Cookies automatically get deleted after a certain amount of time. In contrast, cache is not deleted and stays in the device memory unless deleted manually.
  • Cookies are meant for the server to personalize your experience gradually. On the other hand, Cache is meant to save up on loading times.
  • Cookies store user preferences and other personal information. Whereas, Cache stores page layout, audio, video and other digital files for faster startup.


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