https://apela.gr/wp-content/plugins/apela-statistics/assets/tracker.js?ver=1.2.9

1(function(){
2  try {
3    if (!window.APELA_STATS_CFG || !APELA_STATS_CFG.hitEndpoint || !APELA_STATS_CFG.heartbeatEndpoint) return;
4
5    var ref = document.referrer || '';
6    var stopped = false;
7
8    function cleanPath() {
9      try {
10        var u = new URL(location.href);
11        var drop = [];
12        u.searchParams.forEach(function(value, key){
13          var k = String(key || '').toLowerCase();
14          if (
15            k === 'fbclid' ||
16            k === 'gclid' ||
17            k === 'dclid' ||
18            k === 'msclkid' ||
19            k === 'mc_cid' ||
20            k === 'mc_eid' ||
21            k.indexOf('utm_') === 0
22          ) {
23            drop.push(key);
24          }
25        });
26        drop.forEach(function(key){ u.searchParams.delete(key); });
27        var q = u.searchParams.toString();
28        return u.pathname + (q ? '?' + q : '');
29      } catch (e) {
30        return location.pathname + location.search;
31      }
32    }
33
34    function payload() {
35      return JSON.stringify({
36        path: cleanPath(),
37        postId: Number(APELA_STATS_CFG.postId || 0),
38        ref: ref
39      });
40    }
41
42    function send(url, body) {
43      if (navigator.sendBeacon) {
44        try {
45          var ok = navigator.sendBeacon(url, new Blob([body], {type:'application/json'}));
46          if (ok) return;
47        } catch (e) {}
48      }
49
50      fetch(url, {
51        method: 'POST',
52        credentials: 'same-origin',
53        headers: {'Content-Type':'application/json'},
54        body: body,
55        keepalive: true
56      }).catch(function(){});
57    }
58
59    // Ένα pageview ανά κανονικό φόρτωμα σελίδας.
60    send(APELA_STATS_CFG.hitEndpoint, payload());
61
62    // LIVE heartbeat. Δεν προσθέτει pageview.
63    function heartbeat() {
64      if (stopped || document.visibilityState === 'hidden') return;
65      send(APELA_STATS_CFG.heartbeatEndpoint, payload());
66    }
67
68    heartbeat();
69
70    var timer = setInterval(heartbeat, Number(APELA_STATS_CFG.heartbeatMs || 20000));
71
72    document.addEventListener('visibilitychange', function(){
73      if (document.visibilityState === 'visible') heartbeat();
74    });
75
76    window.addEventListener('pagehide', function(){
77      stopped = true;
78      clearInterval(timer);
79    }, {once:true});
80  } catch(e) {}
81})();