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Video describes how Internet works

Published:

This is a pretty cool description of how a web page is delivered on the Internet.

It's cool because it makes the process fairly easy to picture, but in reality it is much more complex for a sophisticated site like Lottery Post, because a web page doesn't just come from one server, and there are dozens or maybe even hundreds of "round trips" like the one described in the video to dozens of servers for every web page you see.  For example, the web page you are viewing right now has elements that come from perhaps a dozen different servers from several companies.

A large part of my job is knowing how all these "pathways" for data and images from different servers will be requested for each page, and structuring the pages and requests so as many can happen as possible at the same time, in order to reduce the amount of time it takes for a page to assemble and load.  Also, I try to structure pages so that the minimum number of requests can happen before a page can be shown to you and you can start to use it, even when there are parts of the page that have not finished loading.  That's why you may see the browser's "loading" icon (a spinning icon) continue to spin even after you see the page for the first time.

Entry #664

Comments

1.
MADDOG10Comment by MADDOG10 - April 22, 2013, 1:41 pm
That is really cool, but in reality it's very much more complex and intricate. From A to B,
and B to A in a blink of an eye. Amazing.      Thanks Todd...!
2.
Comment by onlymoney - April 22, 2013, 1:49 pm
I was going to ask you a couple of weeks ago regarding the spinning loading Icon with Images in both avatars and pictures people upload. Sometimes they never appeared at all, until I cleaned out my cache, or even after I cleaned it, so I was scratching my head. I thought It may have been from my end, so I updated Java, but that didn't help. So far, I still see the spinning from time to time. Thanks, good to know it wasn't my computer doing it.
3.
ToddComment by Todd - April 22, 2013, 3:16 pm
If you see an image appear as a spinning icon in the forums and it never resolves to the real image, that is because the person who posted it did not store the image on a reliable server, and perhaps the image was removed. Obviously, if someone posts an image from somewhere on the Internet, it is beyond my control to keep that image around.

If someone wants to post an image and always have it appear instantly, they should become a Gold or Platinum member and upload it using the Lottery Post Image Manager that is available to all premium members.

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