SEO ROI Calculator

Calculate the value of your SEO

document.getElementById(‘seo-roi-form’).addEventListener(‘submit’, function(event) { event.preventDefault(); const traffic = parseFloat(document.getElementById(‘traffic’).value); const conversionRate = parseFloat(document.getElementById(‘conversion-rate’).value) / 100; const avgRevenue = parseFloat(document.getElementById(‘avg-revenue’).value); const seoInvestment = parseFloat(document.getElementById(‘seo-investment’).value); const email = document.getElementById(’email’).value; if (isNaN(traffic) || isNaN(conversionRate) || isNaN(avgRevenue) || isNaN(seoInvestment)) { alert(‘Please fill in all fields with valid numbers.’); return; } const estimatedTrafficIncrease = traffic * 0.30; const newRevenueFromSEO = (traffic + estimatedTrafficIncrease) * conversionRate * avgRevenue; const roi = ((newRevenueFromSEO – seoInvestment) / seoInvestment) * 100; document.getElementById(‘roi-output’).innerText = ‘You can expect an ROI of ‘ + roi.toFixed(2) + ‘% based on your inputs.’; saveROIData(traffic, conversionRate, avgRevenue, seoInvestment, roi, email); }); function saveROIData(traffic, conversionRate, avgRevenue, seoInvestment, roi, email) { const formData = new FormData(); formData.append(‘traffic’, traffic); formData.append(‘conversion_rate’, conversionRate); formData.append(‘avg_revenue’, avgRevenue); formData.append(‘seo_investment’, seoInvestment); formData.append(‘roi’, roi); formData.append(’email’, email); fetch(‘/save-seo-roi-data’, { method: ‘POST’, body: formData }).then(response => response.json()) .then(data => { console.log(‘Data saved successfully:’, data); }) .catch(error => { console.error(‘Error saving data:’, error); }); }