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Get to know when your website goes down with our online uptime checking tool for free. There is no need to install or download any software.
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Atatus Synthetic Monitoring allows you to perform these checks automatically. You'll be notified whenever an error occurs on your site.
Uptime is the amount of time the server, hardware, network or website has been functional. Technically, it's the amount of time that your hosting server stays up and running. As an example, 99.95% represents the percentage of time that is available at any given moment.
There are several factors that affect website uptime, including:
To test your website availability or uptime, enter the site URL in the Uptime checker online tool and click on the test now button. Our free tool will start analyzing your website for availability. Once the test is done, your results will get displayed within a matter of seconds.
Website uptime can be calculated by the total number of hours your website is available, divided by the total number of hours per year multiplied by 100.
Website Uptime = (Total available time/total time per year) x 100
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