An uptime in a website is the time when the servers are working properly and are not creating issues while using the website. In other words, it is the approachability of all the servers, and the uptime of any website can be calculated on a monthly or yearly basis.
Uptime in web hosting is important because it provides access and availability to the user as and when required and more availability of websites increases the reliability of their customers. Uptime can help in SEO ranking as well because search engines promote websites with high uptime.
Moreover, continuous uptime can enhance the reputation of the brand and increase the positivity in the market. On the flip side, downtime affects the growth of the website while a high rate of uptime increases revenue.