One of my favorite home pages is coming up 404 URL Not Found on this server and it has never done that before. Could an Internet savvy person point out why this could be happening? Could just this particular place be experiencing technical difficulties?

http://www.webopedia.com/

You might try looking up the terms here. Try searching for any of these:

error 404
url not found

I've experienced this, and sometimes what I've had to do is shut down the computer, turn off the modem, count to ten, turn the modem back on, wait until all the little lights are back to normak, and then start the computer again. If you still get that error, then there is probably something wrong at the website you're trying to reach.

Other teachers may have further ideas for you.

Oh well, if you have nothing to offer beyond restarting, then I indeed do suppose that something beyond my conrol is taking place.

This has happened to me, too, several times and usually it's the site. Things are back to normal the next day.

There could be several reasons why a website is showing a "404 URL Not Found" error. Here are a few possibilities:

1. Temporary technical difficulties: The website you are trying to access might be experiencing temporary technical issues, such as server maintenance, updates, or other infrastructure problems. In this case, it could be worth checking back later to see if the issue has been resolved.

2. Website redesign or restructuring: If the website has recently gone through a redesign or restructuring, some of the URLs might have changed or been removed. This could result in certain pages returning a 404 error. You can try searching for the page on the website or contacting the website's support to verify if the page has been moved or renamed.

3. Typing or linking error: It's possible that you have mistyped the URL or followed a broken or outdated link. Double-check the URL for any mistakes, try accessing the homepage through a search engine, or navigate to the homepage from the website's main domain.

4. Website shutdown or deletion: In some cases, a website may have been shut down or permanently removed from the server, resulting in a 404 error. This could occur due to various reasons, such as expired domain registration, termination of service, or intentional removal by the website owner.

To determine whether the issue is specific to just this one website or a more widespread problem, you can try accessing other websites to see if they load correctly. If it seems to be isolated to this particular website, it's more likely to be an issue on their end.