https://www.melett.pl/wp-content/themes/meletttheme/assets/scripts…/gtmLoadTime.js?ver=1788424079

1import {ajaxURL} from "helpers/serverData";
2
3(function () {
4    function getPageLoadTime() {
5        if (!(window.performance && window.performance.getEntriesByType)) {
6            return null;
7        }
8
9        var entries = window.performance.getEntriesByType("navigation");
10        if (!entries.length) {
11            return null;
12        }
13
14        var navTiming = entries[0];
15        if (navTiming.loadEventEnd <= 0) {
16            return null;
17        }
18
19        var pageLoadTime = navTiming.loadEventEnd - navTiming.startTime;
20        if (pageLoadTime > 60000) {
21            return null;
22        }
23
24        return Math.round((pageLoadTime / 1000 + Number.EPSILON) * 100) / 100;
25    }
26
27    function pushPageLoadTime() {
28        var value = getPageLoadTime();
29        if (value === null || value <= 0) {
30            return;
31        }
32
33        jQuery.ajax({
34            url: ajaxURL,
35            method: 'POST',
36            data: {
37                action: 'melett_page_load',
38                tag: value,
39                load_url: window.location.pathname
40            },
41            dataType: 'json',
42            success: (data) => {
43
44            },
45            error: (err) => {
46                console.log(err)
47            },
48        });
49
50        window.dataLayer = window.dataLayer || [];
51        window.dataLayer.push({
52            event: "pageLoadTimeReady",
53            pageLoadTime: value
54        });
55    }
56
57    if (document.readyState === "complete") {
58        setTimeout(pushPageLoadTime, 0);
59    } else {
60        window.addEventListener("load", function () {
61            setTimeout(pushPageLoadTime, 0);
62        });
63    }
64})();