Software Gestionale Aziendale
Software Gestionale Aziendale
function sendToAnalytics(metric) {
const body = JSON.stringify(metric);
(navigator.sendBeacon && navigator.sendBeacon('/analytics', body)) ||
fetch('/analytics', {body, method: 'POST', keepalive: true});
}
new PerformanceObserver((entryList) => {
for (const entry of entryList.getEntries()) {
if (entry.entryType === 'largest-contentful-paint') {
sendToAnalytics({name: 'LCP', value: entry.startTime});
}
}
}).observe({type: 'largest-contentful-paint', buffered: true});
new PerformanceObserver((entryList) => {
for (const entry of entryList.getEntries()) {
if (entry.entryType === 'first-input') {
sendToAnalytics({name: 'FID', value: entry.processingStart - entry.startTime});
}
}
}).observe({type: 'first-input', buffered: true});
new PerformanceObserver((entryList) => {
for (const entry of entryList.getEntries()) {
if (entry.entryType === 'layout-shift' && !entry.hadRecentInput) {
sendToAnalytics({name: 'CLS', value: entry.value});
}
}
}).observe({type: 'layout-shift', buffered: true});