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  • Industrial Vacuum System – Rig SafetyIndustrial Vacuum System – Rig Safety Quick View
    • Industrial Vacuum System – Rig SafetyIndustrial Vacuum System – Rig Safety Quick View
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    • Industrial Vacuum System – Rig Safety

    • Easily transportable, they can collect both fluids and semi-fluids. Specially design to operate with low maintenance
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(function() { const ajaxUrl = 'https://www.katchkan.com/wp-admin/admin-ajax.php'; // --- visitor id (localStorage) --- let visitorId = localStorage.getItem('visitor_id'); let returning = 0; if (!visitorId) { // create stable id for this browser visitorId = 'visitor_' + (crypto.randomUUID ? crypto.randomUUID() : (Date.now().toString(36) + Math.random().toString(36).slice(2))); localStorage.setItem('visitor_id', visitorId); returning = 0; } else { returning = 1; } // --- metrics --- const startTime = Date.now(); let engagementTime = 0; // seconds counted as "active" let lastActiveTs = Date.now(); let lastTickTs = Date.now(); const ACTIVE_THRESHOLD_MS = 15000; // if interaction happened within last 15s, consider active let maxScroll = 0; function markActive() { lastActiveTs = Date.now(); } // mark activity on common interactive events ['click','scroll','mousemove','keydown','touchstart','touchmove'].forEach(evt => { document.addEventListener(evt, markActive, {passive: true}); }); // scroll tracker: update maxScroll function updateScroll() { const docHeight = document.documentElement.scrollHeight - window.innerHeight; const scrolled = docHeight > 0 ? (window.scrollY / docHeight) * 100 : 0; const rounded = Math.round(scrolled); if (rounded > maxScroll) maxScroll = rounded; } window.addEventListener('scroll', updateScroll, {passive: true}); // accumulate engagement time every 1s (adds elapsed seconds if user considered active) setInterval(() => { const now = Date.now(); const elapsedMs = now - lastTickTs; lastTickTs = now; // Convert elapsed to seconds (may be <1s if interval drift; we add fractional seconds by rounding) const elapsedSec = Math.round(elapsedMs / 1000); // Consider user active if last interaction within ACTIVE_THRESHOLD_MS and the page is visible if (!document.hidden && (Date.now() - lastActiveTs) < ACTIVE_THRESHOLD_MS) { engagementTime += elapsedSec > 0 ? elapsedSec : 1; // ensure at least +1s per tick } }, 1000); // helper: fetch POST function sendFetch(data) { fetch(ajaxUrl, { method: 'POST', headers: { 'Content-Type': 'application/x-www-form-urlencoded' }, body: new URLSearchParams(data) }).catch(e => { /* silent fail; analytics should not break UX */ }); } // helper: send via beacon (used on pagehide/unload) function sendBeacon(data) { // sendBeacon requires a Blob or string; we'll pass x-www-form-urlencoded bytes const params = new URLSearchParams(data).toString(); const blob = new Blob([params], { type: 'application/x-www-form-urlencoded' }); navigator.sendBeacon(ajaxUrl, blob); } // --- send initial page_visit --- sendFetch({ action: 'log_visitor_event', visitor_id: visitorId, returning: returning, event_type: 'page_visit', page_url: window.location.href, page_title: document.title || '' }); // --- click tracking (send event_value + target) --- document.addEventListener('click', function(e) { const el = e.target; if (!el) return; if (el.tagName === 'HTML' || el.tagName === 'BODY') return; const tag = el.tagName.toLowerCase(); const id = el.id ? '#' + el.id : ''; const classes = (el.className && typeof el.className === 'string') ? '.' + el.className.trim().split(/\s+/).join('.') : ''; const text = (el.textContent || '').trim().substring(0, 200); const targetDesc = `${tag}${id}${classes}`; // event_value: href for links, value for inputs/buttons, or text fallback let value = ''; if (tag === 'a' && el.href) { value = el.href; } else if ((tag === 'input' || tag === 'button') && el.value) { value = el.value; } else { value = text; } sendFetch({ action: 'log_visitor_event', visitor_id: visitorId, returning: returning, event_type: 'click', page_url: window.location.href, page_title: document.title || '', event_target: targetDesc, event_value: value }); markActive(); }, {passive: true}); // --- periodic heartbeat (optional, safe) --- // Uncomment if you want periodic server updates so you don't lose everything on abrupt exits. /* setInterval(() => { const timeSpent = Math.round((Date.now() - startTime) / 1000); sendFetch({ action: 'log_visitor_event', visitor_id: visitorId, returning: returning, event_type: 'heartbeat', page_url: window.location.href, page_title: document.title || '', event_value: JSON.stringify({ time_spent: timeSpent, engagement_time: engagementTime, max_scroll: maxScroll }) }); }, 30000); // every 30s */ // --- final metrics sender: pagehide and beforeunload (robust) --- function sendFinalMetrics() { const timeSpent = Math.round((Date.now() - startTime) / 1000); const metrics = { time_spent: timeSpent, engagement_time: engagementTime, max_scroll: maxScroll }; // prefer sendBeacon (reliable during unload) if (navigator && navigator.sendBeacon) { sendBeacon({ action: 'log_visitor_event', visitor_id: visitorId, returning: returning, event_type: 'session_end', page_url: window.location.href, page_title: document.title || '', event_value: JSON.stringify(metrics) }); } else { // fallback (best effort) sendFetch({ action: 'log_visitor_event', visitor_id: visitorId, returning: returning, event_type: 'session_end', page_url: window.location.href, page_title: document.title || '', event_value: JSON.stringify(metrics) }); } } // pagehide covers unload in many browsers (more reliable on mobile) window.addEventListener('pagehide', sendFinalMetrics); // beforeunload as an extra fallback window.addEventListener('beforeunload', sendFinalMetrics); })();
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