Table of Contents 1 1. Four monitoring items that you must keep in mind when monitoring your website 1.1 ✔1-1. Check the communication status of your site "Communication check" 1.2 You can check the status of your site! Status code 1.3 Is it surprisingly easy to forget? Domain expiration date 1. … Read more A comprehensive explanation of the functions of website monitoring tools and a comparative introduction of recommended tools [URL monitoring]