If you are choosing a web hosting plan, it will not take much time for you to realize that you need a web hosting plan with efficient and high uptime. Uptime is nothing, but the amount of time that a website is available and operational on the internet.
Up Time is one of the most pivotal metrics for measuring the quality of a web hosting provider, as it is the deciding factor which decides the availability of a website on the internet.
So, in this article, we will discuss what uptime is, its importance for a website, how can you calculate uptime for your website and also tools from where one can check the real uptime of a web hosting plan.
What are uptime and downtime?
Uptime is expressed as the percentage of time a server has been working and available on the internet. So, more lucidly, it means, the more the uptime of a website is, the better the reliability of the website will be.
Whereas Downtime is the amount of time, a server is unavailable and offline. Downtime is probable and can’t be avoided entirely as technical glitches are part and parcel of a web server.
But the less the downtime is, the better it is for a website.
The ideal uptime for a website can be 100 %, but it is quite next to impossible to achieve such an uptime. So, a decent uptime offering is anything close to 100 %.
Therefore, you would see many of the website offering uptime around 99.9%.
Now, before you consider this to be amazing, you should know even that 0.1 % lag in uptime would cost you around 43 minutes and 50 seconds of downtime monthly and 8 hours 45 minutes 36 seconds in a year. It’s crazy, isn’t it!
Why is uptime so important for a website?
As the saying goes,” Time is money,” the same is the case for your website. As uptime means availability of your website on the internet, it becomes a crucial factor determining the reliability of your website.
If your site is not available or accessible on the internet then certainly it will have a hounding negative impact on your business.
Further, the unavailability of your website would mean that your customers or viewers would not be able to see your website on the internet which will result in the loss of business. You would lose your potential customers or viewers too.
Also, if your uptime is less or downtime is more, then maybe even Google and other search engines would deem your website unreliable. So, it can negatively affect the ranking of your page on a search engine and could hamper the potential growth of your website.
How can you calculate uptime?
uptime is calculated by monitoring a website for 24 hours (which means to 86,400 seconds). The uptime and downtime percentages can be calculated by performing the following calculation:
Suppose, if the website was down for 600 seconds.
The total number of seconds your website should be monitored daily is 86,400 seconds.
So, Now divide 600 by 86,400, which is 0.0069.
Now convert the above number into a percentage by dividing 0.0069 by 100. So, in percentage, this is 0.69%. So, this is the downtime percentage.
Now, uptime percentage for this website can be calculated by subtracting the above-got downtime percentage from 100 %.
So, uptime percentage for the website is 99.31% (100% -0.69%).
Let’s take another example.
As earlier told, if a website has an uptime of 99.9% then the downtime would be 1.44 minutes per day, 43 minutes and 50 seconds monthly and 8 hours 45 minutes 36 seconds in a year.
Let’s see how it was calculated.
So, if the uptime is 99.9%, that means it would have 0.10 downtime (100% – 99%). Now, by merely, converting the downtime percentage into a fraction, we can calculate the downtime for a website.
Downtime calculation in minutes = Downtime × Total no of minutes in a day
Total number of minutes in a day = 24 × 60 =1440 minutes
So, downtime in Minutes= 0.10% × 1440 = 1.44 minutes Daily. Now you can calculate monthly and yearly by multiplying it by the number of days in a month and year respectively.
How much of uptime is acceptable for your website?
As now you have understood the basics and importance of uptime for a website. You can consider how much uptime is acceptable for your website by simply following the fact, ‘the more it is closer to 100’, the more acceptable it is for your website.
Numerous web hosting providers offer uptime ranging from 99% to 99.99% uptime. But now as you know, even a 0.01% will largely affect the performance of your website, so you should select the web hosting provider which gives you the maximum uptime.
Let’s see, how much of uptime ranging from 99% to 99.99% means on a monthly basis.
- 99% uptime = 7 hours and 12 minutes
- 99.9% uptime = 43 minutes and 12 seconds downtime
- 99.99% = 4 minutes 19 seconds downtime
- 99.999% = 26 seconds downtime
- 99.9999% = 3 seconds downtime
But, don’t fall to the hoax of the boasting claims of the web hosting service providers. They might claim 99.999% of uptime, but it can be far from reality.
So, this is the right time to research and ascertain the credibility of their claims.
But before you leap to the closest uptime offering by any web hosting provider, you should understand that the higher uptime guarantee comes with a steeper cost.
In such a case, you should seek the uptime offering which is closer to 100 but at the same time cheaper for your pocket.
Service Level Agreements (SLA)
Now, as you have understood uptime in entirety, you can easily consider what web host is suitable for your website hosting plan. But, it is more advisable to seek web hosting service providers who provide SLA (Service Level Agreement).
There are manifold web hosting providers who offer SLA. It means in case they fail to deliver the uptime level mentioned in the SLA, they will refund your money.
Over to You
Now, since we have covered everything and anything related to uptime, now it is just about choosing a web hosting plan in accordance with the factors mentioned above.
In a nutshell, you should be aware that a guarantee of 99.9% uptime means considerable downtime for your website. You should prudently verify the claims of web hosts and select a web hosting after considering all the vital factors discussed above.
Also, it is wise to look for SLA or service level agreement with the web host before going for any long-term association.
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