Notes

Monitoring Website Performance Effectively

Most website monitoring services send an e-mail when they detect a web server outage. Maximizing uptime is essential, but it's only section of the picture. It seems that the expectations of Internet surfers are increasing all the time, and today's users won't wait lengthy for a page to load. When they don't be given a response quickly they'll move on to your competition, usually within just a few seconds.



A good website monitoring service will do much more than simply send a reminder when a malaysia-today.net . The very best services will breakdown the response period of a web request into important categories that will allow the system administrator or web master to optimize the server or application to offer the best possible overall response time.

Here are 5 key components of response time for an HTTP request:

1.DNS Lookup Time: Enough time it takes to get the authoritative name server for the domain and then for that server to resolve the hostname provided and return the right IP address. If the time is simply too long the DNS server must be optimized in order to provide a faster response.

2.Connect Time: This is the time required for the net server to respond to an incoming (TCP) socket connection and order and to respond by setting up the connection. If this sounds like slow it often indicates the operating system is trying to reply to more requests laptop or computer can handle.

3.SSL Handshake: For pages secured by SSL, it is now time required for each side to negotiate the handshake process and hang up the secure connection.


4.Time and energy to First Byte (TTFB): This is the time it takes for your web server to respond with the first byte of content following your request is shipped. Slow times here almost always mean the internet application is inefficient. Possible reasons include inadequate server resources, slow database queries along with other inefficiencies associated with application development.

5.Time for you to Last Byte (TTLB): It is now time needed to return all the content, following your request continues to be processed. If this is taking a long time it usually shows that the Internet connection is simply too slow or perhaps is overloaded. Increasing bandwidth or acquiring dedicated bandwidth should resolve this issue.

It is extremely hard to diagnose slow HTTP response times without all of this information. Minus the important response data, administrators are left to guess about the location where the problem lies. Considerable time and money can be wasted trying to improve different components of the web application in the hope that something will continue to work. It's possible to completely overhaul an online server and application only to find out the whole problem really was slow DNS responses; an issue which exists on a different server altogether.

Make use of a website monitoring service that will a lot more than provide simple outage alerts. The best services will break the response time into meaningful parts which will allow the administrator in order to identify and correct performance problems efficiently.


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