How do I detect when and also why a website is down?
Periodically you are incapable to reach a certain website - it does not actually issue which one - you do not recognize whether it is simply your link or glitch with that said website.
It does not aid when you can get onto various other internet site (similar to this one).
So what actions do you require to require to detect the trouble and also figure out if the website is absolutely down or it is simply you.
If it is a website of a suitable dimension, and also it is down, you are absolutely not the just one that sees the trouble.
See that could be whining concerning it on Twitter: http://twitter.com/#search?q=sitename
If you hesitate that the website has actually folded without signaling you, once more if it is a rather huge website it will certainly be seen. Attempt an internet look for"
Several websites have a blog to signal their customer area to information and also adjustments at the website, and also they are usually organized in other places and/or on a various domain name. Do an internet look for"
Some websites additionally subcontract aid and/or area web pages. Also if they do not, there are areas where customers gather together. Examine Google Groups and also GetSatisfaction.com for details.
If it is not large sufficient for any one of these points, after that it might be time to start seeking choices.
just-ping.com pings a website you define from 50 areas throughout the globe & presents the standing & big salami time.
There are additionally a bunch of other online tools to check availability & performance issues.
If you can access various other websites, check Down For Everyone this will certainly inform you whether it is simply your link to the website or a basic trouble with the website.
Conversely, you can make use of something like the WhyDown solution (which is itself presently down), it has a comparable capability, yet additionally attempts to detect the resource of a trouble, addressing the "why?" inquiry.
Depends what you are searching for out and also what is incorrect ; the pointers over are actually excellent also.
- You can make use of whois to see what DNS web servers provide the hostname to the website: whois example.org
- You can make use of devices like dig to examine DNS to see if the host name is settling: dig dns.example.org www.example.org
- You can make use of traceroute to show the course your packages bring the network to the website traceroute www.example.org
- You can make use of telnet to connect to the TCP port of the internet site to see if it is addressing telnet www.example.org 80
- You can make use of telnet to see if it is offering web content also:
$ telnet www.example.org 80 GET / HTTP/1.1 Host: www.example.org
Hit enter once more and also you need to see the homepage as raw HTML.
Bear in mind that Google usually has actually cached variations of web pages also!