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Website Downtime Cost Calculator.

Discover what one minute of downtime costs your business in lost revenue and productivity. See how 30-second detection saves you thousands compared to 5-minute monitoring.

Secondary / Leads 70% 100% eCommerce / SaaS
Real-time calculation using revenue, dependency, and team productivity data.
Cost per Hour
$0
Cost per Minute
$0
Revenue Lost at 99% Uptime (3.6 days/year)
$0 Assumes 87.6 hours of downtime per year.

Why Detection Speed Matters

The difference between detecting downtime in 30 seconds versus 5 minutes adds up fast.

Factor 5-Min Monitoring UptimeObserver (30-sec)
Detection Time Up to 5 min Under 30 sec
Money Lost / Incident - -
Potential Savings -

Per incident, the difference between 30 seconds and 5 minutes can save you $0 or more.

How We Calculate Downtime Cost

Our transparent formula combines revenue impact and productivity loss:

Annual Revenue Loss Per Hour:
= (Annual Revenue ÷ 8760 hours) × Dependency Factor (20%-100%)
Productivity Loss Per Hour:
= Employees × $55/hour × 0.25 (15 minutes downtime per hour incident)
Total Cost Per Hour:
= Revenue Loss + Productivity Loss
99% Uptime Cost:
= Total Cost Per Hour × 87.6 hours (annual downtime at 99% uptime)

Why Most Companies Underestimate the Cost of Downtime

When your website goes down, the immediate thought is about lost revenue. But the real cost is much higher. Most businesses fail to account for the cascading effects of an outage: lost customer trust, SEO penalties, team productivity losses, and the time required to investigate and fix the problem.

The situation becomes even more critical when you consider how monitoring approaches affect your bottom line. A website checked every 5 minutes means you're potentially leaving money on the table while your site is already hemorrhaging revenue in the first critical minutes of an outage.

The 5-Minute Problem: Why Standard Monitoring Falls Short

Traditional uptime monitoring services check your website every 5 minutes. That sounds frequent, but in the world of e-commerce and SaaS, 5 minutes is an eternity. If your website goes down at 10:00:00, you won't be notified until 10:05:00 in the best-case scenario. Your customers are already experiencing errors. Transactions are failing. Reputation is eroding.

During those 5 minutes of blindness, every second costs money. For an e-commerce business doing $1.2M in annual revenue, even a few minutes can cost hundreds of dollars. And that's before factoring in the cost of lost productivity as your team scrambles to manually identify and address the issue.

The UptimeObserver Advantage: 30-Second Detection

UptimeObserver monitors your website every 30 seconds, not every 5 minutes. That 10x faster detection means you're alerted within 30 seconds of an outage beginning, not 5 minutes later. For a business with significant online revenue, that difference translates to thousands of dollars saved per incident.

But the savings don't stop there. By knowing about outages almost immediately, your team can respond faster. Critical issues get flagged before they cascade into larger problems. SEO rankings are protected because downtime durations are minimized. Customers experience fewer errors, and your brand reputation stays intact.

The Hidden Costs: Beyond Revenue Loss

Productivity Loss: When your website is down, your technical team is in firefighting mode. Every hour of downtime is an hour your developers aren't shipping features, fixing bugs, or working on strategic initiatives. For a team of 50 developers earning an average of $55 per hour, just one hour of downtime costs $2,750 in lost productivity.

SEO Penalty: Google's crawlers regularly check your website. If they encounter errors during an outage, your rankings take a hit. Frequent downtime signals poor site reliability to search engines, potentially pushing your site down in search results. That's lost organic traffic for weeks or months to come.

Recovery Time: If your monitoring only alerts you every 5 minutes, your developers might be asleep or unavailable when an outage begins. Recovery time extends. Customer frustration grows. The problem worsens. With 30-second monitoring from UptimeObserver, developers get alerted immediately, and response times improve dramatically.

Use the Calculator to Quantify Your Risk

The calculator above lets you input your business metrics and see exactly what downtime costs you. Try adjusting the "Website Importance" slider to see how critical your site really is. Then look at the detection lag comparison—it shows the stark difference between detecting an outage in 30 seconds versus waiting 5 minutes. For most businesses, the savings quickly justify moving to more frequent monitoring. UptimeObserver isn't just another monitoring tool; it's insurance against the most damaging costs of downtime.

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