https://derma.hu/jscript/google_tracker/GTag/video_tracker.js?v=2026100219

1function InitTrackedVideos() {
2    var videos = document.querySelectorAll("video");
3
4    for (var i = 0; i < videos.length; i++) {
5        var video = videos[i];
6        if (video.TrackerInited)
7            return;
8
9        video.TrackerInited = true;
10        var title = video.getAttribute("title");
11
12        if (!title || title == "")
13            video.querySelector("source").src;
14
15        video.addEventListener("play", SendVideoEvent);
16        video.addEventListener("pause", SendVideoEvent);
17        video.addEventListener("stop", SendVideoEvent);
18        video.addEventListener("ended", SendVideoEvent);
19    }
20	
21	var audios = document.querySelectorAll("audio");
22
23    for (var i = 0; i < audios.length; i++) {
24        var audio = audios[i];
25        if (audio.TrackerInited)
26            return;
27
28        audio.TrackerInited = true;
29        var title = audio.getAttribute("title");
30
31        if (!title || title == "")
32            audio.querySelector("source").src;
33
34        audio.addEventListener("play", SendAudioEvent);
35        audio.addEventListener("pause", SendAudioEvent);
36        audio.addEventListener("stop", SendAudioEvent);
37        audio.addEventListener("ended", SendAudioEvent);
38    }
39}
40
41function SendVideoEvent(event) {
42    var _title = event.target.title;
43	var uri = event.target.querySelector("source").src;
44    if (!_title)
45        _title = uri;
46
47    gtag(
48		'event', 
49		'video_' + event.type,
50		{
51			'event_action': event.type, 
52			'event_category': 'Video',
53			'event_label': uri,
54			'title': _title,
55			'im_page_location': GAGetPathAndQuery(window.location.href),
56			'im_event_name': 'video_' + event.type
57		}
58	);
59
60}
61
62function SendAudioEvent(event) {
63    var _title = event.target.title;
64    var uri = event.target.querySelector("source").src;
65    if (!_title)
66        _title = uri;
67
68    gtag(
69		'event', 
70		'audio_' + event.type,
71		{
72			'event_action': event.type,
73			'event_category': 'Audio',
74			'event_label': uri,
75			'title': _title,
76			'im_page_location': GAGetPathAndQuery(window.location.href),
77			'im_event_name': 'audio_' + event.type
78		}
79	);
80
81}
82
83function Init() {
84    if (window.jQuery) {
85        jQuery(document).ready(function () {
86            InitTrackedVideos();
87        });
88        return;
89    }
90
91    if (!document.body) {
92        setTimeout(Init, 100);
93        return;
94    }
95
96    var eventType = (window.addEventListener ? "" : "on") + "DOMContentLoaded";
97    var eventName = window.addEventListener ? "addEventListener" : "attachEvent";
98    document.body[eventName](eventType, InitTrackedVideos, false);
99}
100if ((window.GA_MEASUREMENT_ID || "") != "")
101	Init();