Stability is the most important thing for websites. If a website cannot be accessed due to downtime, it is a disaster for the website itself, the most important function of a website administrator is to restore the website administrator immediately after the server goes down to prevent the webmaster from causing more losses, the website administrator needs a 24-hour monitoring service for the website. Once the website cannot be accessed, the Administrator is immediately notified by email or short message. Here I will introduce some common free website downtime monitoring services.
Website nanny (bm.chinaz.com)-the online server Monitoring Service released by the Chinese webmaster station. Free users can monitor a server within 30 minutes, send email notifications, and the paying users can receive SMS notifications.
Siteuptime.com-free users can monitor a website every 30 minutes. They can monitor four ports and provide four monitoring servers for users to choose from. When the website is inaccessible, they will send you an email notification. Siteuptime also provides free users with practical services such as statistical reports and monthly reports and emails.
Site24x7.com-free users can detect a maximum of two websites every 60 minutes. You can receive alerts and reports from emails or text messages. New registered users can enjoy the full function within 15 days, and then automatically switch to a free account. It is worth noting that this website provides a Chinese interface and is recommended for users who do not know English.
Webbench m.cn-Chinese version of the website monitoring service, free users can monitor up to two websites every 60 minutes.
Hosttracker (host-tracker.com)-free users monitor two sites every 30 minutes.