

Your business model determines conversion benchmarks. B2B sites convert at 2-4% but have higher deal values; e-commerce averages 2-3% with lower individual order values but higher volume.
This affects default conversion rate benchmarks and revenue calculation model.
The total cost of a website includes the initial build, ongoing maintenance, and marketing budget to drive traffic. Most businesses underestimate maintenance costs by 40-60%.
Select your website type for a default cost estimate, or override with the custom budget slider below.
Set to 0 to use the estimate from website type above. Set a value to override.
Includes hosting, updates, security, technical support. Typical: 200-2,000 PLN/mo.
SEO, content marketing, social media, PPC — the budget driving traffic to your site.
The conversion funnel is the core of your website's ROI. Even a 0.5 percentage point improvement in conversion rate can double your revenue — this is why CRO (Conversion Rate Optimization) is one of the highest-ROI investments.
Average corporate site: 1,000-5,000/mo. Well-optimized: 5,000-50,000/mo. Content-driven: 10,000-100,000+/mo.
E-commerce avg: 2-3%. B2B lead gen: 2-4%. Well-optimized landing page: 5-10%. Most sites start at 1-2%.
E-commerce: average order value. B2B: average deal value. SaaS: average monthly subscription × 12.
Repeat customers are 5x cheaper to acquire than new ones. A customer who comes back 3 times effectively triples your per-acquisition ROI. Subscription models have the highest LTV multiplier.
Websites are long-term investments. Year 1 ROI is often negative (payback period), but by year 3, well-managed sites typically achieve 200-500% ROI. Traffic grows 20-50% annually with consistent SEO investment.
Conservative: 10-15%. Moderate (with SEO): 20-30%. Aggressive (paid + SEO): 30-50%.
Google Ads delivers instant traffic but costs per click add up. Average CPC in Poland: 1.5-5 PLN. A well-optimized website generates organic leads at a fraction of PPC cost over time.
Used to compare website ROI vs pure paid advertising. Poland avg: 1.5-5 PLN. EU avg: 0.5-2 EUR.