In Software Testing, the Canaries is a piece of code that continuous sends requests to check the health of the service. It is like back in Coral mining, the canries are sent to the mine and if something goes wrong, the canaries will stop tweeting.

Using CloudFlare Pro, it is very easy to set up the canaries to check and monitor the health of the services given a URL e.g. API.

Add/Edit a Health Check Rule

In Traffic Tab, you’ll be able to add/edit health checks rules:

Specify the URL, the expected response code, and the expected text to search in the response. If anything goes wrong, you will get emails for notification:

With this feature, you’ll be able to see when your service breaks – much earlier indicator possibly than your customers figure out!

–EOF (The Ultimate Computing & Technology Blog) —

推荐阅读：
数学题：有一个底面周长为9.42厘米的圆柱体，斜着截去一段　 百度算法经常更新要怎么解决？　 讲一讲我这10年的站长经历　 为什么企业网站不要用模板建站 模板建站有哪些弊端　 网站安全渗透测试难度系数有多大　 什么内容才是被百度肯定的优质内容？优质内容应该这样做！　 seo-网站权重怎么提高？　 万词霸屏与SEO优化合二为一才能给企业带来真实效益　 熟知百度蜘蛛原理，按照优化规则才能做好seo优化　 SEO关键词排名优化原理是什么？