server-timing.gif
nodejs 示例代码
const headers = {
'Server-Timing': `
lb=18; "Load Balancer",
server-3=104; "Server #3 Startup",
db-read=187; "Database Read",
aws-download=317; "AWS Content Download",
db-write=218; "Database Write",
templating=48; "Templating plugin"
`.replace(/\n/g, '')
};
response.writeHead(200, headers);
补充
后台这里应该有对应的中间件实现,有兴趣的老铁可以自行搜索下