Most of us may observed the fact ” Why Google is Faster than other Websites ” . There will be a notable difference unless our server is in a near distance, in both case Sites by Google will load significantly faster, What could be the reason ?
Reasons are many, After all there is Google on the other end. Not kidding , I meant it. They got advanced architecture to deliver content faster , Lets us list out few of these facts
CDN ( Content Delivery Network)
Why google is faster ?? , This is common these days, even major of local sites uses CDNs. , you might heard of Amazon Web Services, Facebook also have its on CDN ( http://fbcdn.net/). What CDNs doing is Serving Data on different locations of the globe. , and While you are trying to access content it will get fetched from nearest data centre ( CDN).
Caching to Nearest DataCentre
See the case of Youtube, we might again think ” Why Google is Faster ” , If the requested Video is no in the nearest datacentre, It will look in to the next datacentre and download to your device, in such a way , if that video is getting popular in your location , it will get cached to your nearest dataentre., Once cached it will start fetching from there for all near requests.
Google File System ( GFS)
Now the core part, instead of using common file systems like FAT and NTFS Google Has its on File system GFS, which is incredibly fast and is a proprietary File system of google which is beyond the imagination of our device file system
Finally its Google
Not kidding, Its Google , There are Worlds best architecture and technologies merged to give best data transfer experience and performance. Servers are maintained to the latest standard with enough resources and upgrades.