What is the availability in web hosting
How important is availability in hosting?
There are a number of metrics related to website hosting. One of them is "availability".
In the following, you will find out what it is all about and how important this value is.
What is the hosting availability?
Hosters offer storage space on a server (or even complete servers), which are then available on the Internet 24 hours a day, 7 days a week. At least that's the ideal case.
In reality, however, there can always be temporary failures that make your website unavailable online for a short or longer period of time.
This is of course not good, because not only do potential visitors get lost, but if there is an accumulation of failures, Google can also draw consequences in the form of poorer rankings.
It is therefore important that the chosen host can guarantee high availability.
What is high availability?
Is 99% a high availability value? That sounds like it at first. However, an availability of 99% over the whole year means a downtime (non-availability) of at least 3.65 days.
With 99.9% availability, your website is only offline a maximum of 8.76 hours per year.
There can be many reasons for downtime. This can lead to technical defects in the server, which can, however, in most cases be absorbed by backup or cluster systems. Power failure, fire and other reasons can also be responsible.
The higher the availability that a hoster guarantees, the more effort has to be made by it in order to adhere to this in practice.
Selection of the hoster
When choosing a host, guaranteed availability should definitely play a role.
The level of availability you are striving for depends heavily on the project. For a niche website, 99% availability may be enough.
On the other hand, those who offer a paid premium service that is used by users around the clock usually need more than 99.9%.
In the case of good hosters, the guaranteed availability is also specified. In addition, you usually have the choice of choosing a more expensive tariff with higher availability or booking it as an option.
However, it's not just availability that makes your website accessible. If you use a cheap hosting tariff, you may not have any server failures, but the poor performance of the web space can still mean that the website is slow or partially inaccessible.
Some hosters indicate the real availability in the account statistics.
To be on the safe side, you can use a tool like Pingdom.com, for example. This tool regularly checks whether a website is available and keeps statistics about it.
In this way you can check the information provided by the host.
I used to use cheap web space for my blogs myself, but at some point I noticed more and more downtimes.
That's why I switched to DomainFactory, where I've had my own server for quite some time. 99.9% availability is guaranteed there, which in my experience is even exceeded in practice.
But providers such as All-Inkl.com or Mittwald also offer high availability.
You should make sure that there is a high level of availability in order to be continuously available to your own website visitors.
If the availability is worse than promised, you should consider moving.
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