https://obuvnazona.bg/js/analytics.js?v=1

1/* First-party asynchronous analytics. Never sends form values or full query strings as event data. */
2(() => {
3    const send = (name, data = {}) => {
4        try {
5            const body = JSON.stringify({ name, url: location.href, referrer: document.referrer, ...data });
6            fetch('/stats_collect.php', { method: 'POST', credentials: 'same-origin', keepalive: true,
7                headers: { 'Content-Type': 'application/json' }, body }).catch(() => {});
8        } catch (_) { /* Analytics must not interrupt shopping. */ }
9    };
10    const meta = name => document.querySelector(`meta[name="${name}"]`)?.content || '';
11    const page = meta('page_param'), product = Number(meta('page_id')) || 0;
12    send('page_view');
13    if (page === 'product' && product) send('product_view', { product_id: product });
14    if (page === 'category') send('category_view', { category_id: String(product) });
15    if (page === 'search') send('search');
16    if (document.querySelector('#payment-form')) send('begin_checkout');
17    setInterval(() => { if (document.visibilityState === 'visible') send('heartbeat'); }, 60000);
18    document.addEventListener('change', e => {
19        if (e.target.matches('[name="size"]')) send('select_size', { product_id: product, size: e.target.value });
20        if (e.target.matches('[name="sort"], [name="filter"], .filters select')) send('filter');
21    });
22    document.addEventListener('click', e => {
23        const item = e.target.closest('.sizes label, .add_wishlist, a, button');
24        if (!item) return;
25        if (item.matches('.sizes label')) send('select_size', { product_id: product, size: item.querySelector('input')?.value || '' });
26        else send('click', { action: item.matches('.add_wishlist') ? 'wishlist' : (item.tagName === 'A' ? 'link' : 'button') });
27    });
28})();