Top 10 Website Uptime Monitoring Tools Features & Pricing Compared 2025

Downtime costs money and credibility. For SaaS companies and online businesses, a few minutes offline can mean lost customers, broken trust, and missed revenue. That’s why choosing the right website uptime monitoring tools is more than a technical decision – it’s a business priority.

But with dozens of options on the market, how do you know which tool gives you the reliability, features, and pricing your team needs?

We’ve tested and compared the best website uptime monitoring tools in 2025, breaking down their core features, pricing, and use cases so you can make a confident, informed choice.

You’ll leave with a short list that fits your budget and growth plan – and keeps your site online.

What is Website Uptime Monitoring?

Website uptime monitoring means checking (from multiple locations) that your site loads and works and alerting you the moment it doesn’t.

A monitoring service is an automated service that constantly checks your website from various global locations. If this service finds that your site is down, slow, or showing an error, it quickly alerts you via email, SMS, Slack, or similar.

Why Uptime Monitoring is Essential for Websites

Launching a website isn’t enough – what matters is keeping it online, fast, and reliable every hour of the day. For SaaS businesses, uptime isn’t just about user experience – it directly affects customer retention, revenue, and SLA commitments. Here’s why uptime monitoring matters:

Improved Website Reliability and User Trust

When users try to visit your site and find it unavailable, their trust in your brand diminishes. A website that is frequently down appears unprofessional and unreliable. Consistent uptime builds confidence and shows users that you are a dependable business, which is important for retaining visitors and customers.

Faster Incident Response and Reduced Downtime

Without monitoring, the first sign of downtime often comes from frustrated customers or public complaints. By that point, you’ve already lost revenue and credibility. Uptime data helps you prove SLA compliance, report to stakeholders, and keep customer trust.

Better SLA Compliance and Performance Tracking

Most SaaS businesses commit to strict uptime SLAs – often 99.9% or higher. Uptime monitoring gives you the data to prove compliance, generate reports for stakeholders, and build trust with customers and investors. It also provides long-term performance history, helping you spot recurring issues before they escalate.

Data-Driven Insights for Optimization

Modern tools track more than availability – latency, page speed, and regional performance are included. For instance, if you see consistently high latency in Asia, you can add a CDN and cut slow-region drop-offs.

Suggested Read: Uptime Monitoring Tools: Why You Need Them, and What to Look for

Key Metrics Tracked by Uptime Monitoring Tools

Uptime monitoring isn’t just a simple “yes” or “no” check. These tools track several key metrics to give you a complete picture of your website’s health.

• Uptime Percentage: This is the percentage of time your website was online and available over a specific period (e.g., 99.95% in the last 30 days). This is the headline reliability number you’ll report to leadership and clients.
• Response Time (Latency): This measures how quickly your server responds to a request. A sudden spike in response time can be an early warning that your server is overloaded, even before it goes down. Consistently slow response times from a certain geographic location can tell you that you need to optimize your infrastructure for that region.
• Page Load Time is the total time it takes for a webpage to fully load in a user’s browser. This metric is one of the most important factors for user experience, as slow-loading pages lead to high bounce rates. Tracking this helps you identify if a recent code change or a large image negatively impacts performance.
• HTTP Status Code Errors (e.g., 404, 500): This tracks the error codes your server sends back. A surge in “404 Not Found” errors could indicate a problem with broken links on your site after a redesign. A “500 Internal Server Error” means your application has a serious problem that needs immediate attention.
• SSL Certificate Status: This check ensures your website’s SSL certificate is valid and not expired. This prevents the ‘Your connection is not private’ browser warning. However, if you are using RunCloud, then RunCloud renews SSL certificates one month before expiry.

Suggested Read: Using Dynatrace to Monitor RunCloud Servers

Top 10 Website Uptime Monitoring Tools Compared

Better Stack

Better Stack is more than an uptime checker – it’s a full incident management and monitoring platform. For teams running SaaS products or high-traffic websites, it helps ensure issues are caught quickly, alerts reach the right person, and communication with users stays clear. With checks running as often as every 30 seconds from multiple global locations, you avoid false positives and get accurate visibility. Its incident timelines, screenshots, and integrations with tools such as Slack, Datadog, and AWS make it suitable for teams that route alerts into Slack/PagerDuty and need on-call scheduling.

Key Features

• 30-second multi-location checks with screenshots and detailed logs
• Incident management tools with on-call scheduling and smart alert merging
• Integrations with major platforms (Datadog, Prometheus, Grafana, AWS, GCP, etc.)
• Customizable public status pages for transparent communication

Pricing

• Free plan includes basic checks, alerts, and status page functionality.
• Paid tiers (from $29/month) add faster monitoring, richer alerting, and team workflows.

When to Choose This Tool

Better Stack is ideal if you need more than just basic monitoring. It’s a strong fit for SaaS companies, agencies managing multiple clients, and larger projects with dedicated support teams. Its greatest strength is combining monitoring with incident response, saving time and reducing missed alerts. If you’re solo or on a tiny project, it’s more than you need.

Suggested Read: How UptimeRobot Can Save Your Website from Downtime Disasters

UptimeRobot

UptimeRobot is one of the most popular website uptime monitoring tools thanks to its simplicity and generous free plan. Setup takes minutes – add a URL and you’re done. It covers the essentials without adding complexity, and supports HTTP(s), ping, port, keyword, SSL, and heartbeat monitoring. For small businesses, personal projects, or startups, it’s a cost-effective way to stay ahead of downtime before customers notice.

Key Features

• Free plan with up to 50 monitors checked every 5 minutes
• Paid plans (from $7/month) offer 60-second checks, SSL/domain expiry alerts, and longer log retention
• Status pages (public or private) for sharing uptime performance with customers or teams
• Alerts delivered via email, SMS, Slack, MS Teams, Telegram, and more

Pricing

• Free: 50 monitors, 5-minute intervals
• Pro plans: from $7/month for 60-second checks and advanced features
• Higher tiers include more monitors, faster checks, and enterprise-ready features

When to Choose This Tool

UptimeRobot is best suited to small businesses, personal sites, and early-stage startups that need dependable monitoring without high costs. The free plan is among the most generous available, making it a great entry point. Free checks run every 5 minutes – fine for basics, but not for mission-critical apps, so larger SaaS companies will likely need to upgrade to faster paid plans or consider a more advanced solution.

Suggested Read: How to Reduce Cache Misses & Avoid Them: Proven Tips [FIXED]

Pingdom

Pingdom is a robust website and digital experience monitoring platform. It covers uptime checks, synthetic user flows, real-user monitoring (RUM), and page speed analysis – all from one dashboard. Plans start at $10/month and scale to high-volume enterprise use with thousands of checks, making it a strong fit for growing digital businesses.

Key Features

• Synthetic monitoring from 100+ global locations; instantly detect outages.
• Transaction and page speed monitoring; includes root-cause tools like traceroutes and server response insights.
• Real User Monitoring provides insights into how users experience performance, segmented by browser, geography, and device.
• Public status pages and rich alerting (SMS, email, Slack, PagerDuty, etc.).

Pricing

• Synthetic Monitoring plans begin at $10/month for 10 uptime monitors, one advanced check, and 50 SMS alerts. Scale up to tens of thousands of monitors at higher tiers.
• RUM plans also start at $10/month for 100,000 pageviews, scaling up to 1 billion pageviews.
  

When to Choose This Tool

Choose Pingdom if you need deep, multi-layered insight into your website’s performance and availability. It fits well with growing SaaS companies, high-traffic sites, or agencies managing complex user journeys. You’ll get the most value when you monitor checkout, signup, and other revenue paths end-to-end, but the interface has a learning curve, and pricing can escalate quickly as you scale.

Site24x7

Site24x7 is an all-in-one monitoring service from Zoho that goes beyond simple uptime checks. In addition to website availability monitoring, it offers server health tracking, API monitoring, and Real User Monitoring (RUM). With over 120 global test locations, it provides a single convenient dashboard for UX metrics and backend health.

Key Features

• Synthetic transaction monitoring simulates user flows such as login, checkout, or search to ensure business-critical processes function correctly.
• Real User Monitoring (RUM) captures actual visitor performance by device, browser, and region.
• Server and application monitoring covers CPU, memory, disk, and API endpoints.
• Global network of 120+ monitoring locations provides detailed regional insights.

Pricing

• Pro Plan: starts around $35/month (billed annually) with website and server monitoring.
• Classic Plan: $89/month, offering expanded resources and checks.
• Enterprise Plan: from $225/month, supporting large-scale monitoring needs.
• All plans include a 30-day free trial.

When to Choose This Tool

Site24x7 is a strong choice for mid-sized to large teams who want a unified monitoring solution covering websites, servers, APIs, and user experience. It’s particularly useful for SaaS businesses with complex infrastructure or global audiences, since synthetic and RUM monitoring together provide a full performance picture. Pricing at higher tiers can stretch small budgets – its more advanced tiers can be costly for smaller projects compared to lighter tools like UptimeRobot.

Suggested Read: How do you check Linux CPU usage or utilization? (5 Ways)

StatusCake

StatusCake delivers reliable uptime monitoring, page speed, domain, server, and SSL checks. With 43 testing locations, flexible alerting, and a free tier, it covers uptime, page speed, domain/SSL, and server checks in a simple UI.

Key Features

• Flexible uptime checks at intervals as low as 30 seconds (depending on plan).
• Page speed monitoring, domain expiration notifications, server resource checks, and SSL auditing.
• Alerting via email, SMS, Slack, Discord, Telegram, and more.
• Public status pages, sub-account management, tagging, and audit logs for team visibility and client reporting.

Pricing

• Basic (Free): 10 uptime monitors at 5-minute intervals.
• Superior: $15/month for 100 monitors, 1-minute tests, page speed, domain, server, and SSL monitoring.
• Business: $50/month for 300 monitors, 30-second checks, team account access, and detailed logging.

When to Choose This Tool

StatusCake works when you need a wide feature set out of the box – especially helpful if you must track performance, domains, security, and server health together. It’s well-suited for agencies, small businesses, or teams managing multiple client sites. Benefits include deep visibility and strong alerting flexibility, but there are no RUM or scripted transactions, and some alerts/support options sit behind higher plans.

Suggested Read: How To Install New Relic Monitoring on RunCloud

Datadog 

Datadog is an observability platform that monitors things beyond uptime checks. Its Synthetic Monitoring feature allows you to simulate user journeys and API calls from multiple global locations, while correlating failures with backend traces, logs, and infrastructure metrics. This makes it especially valuable for teams running complex SaaS applications, where identifying the root cause of downtime is just as important as detecting it.

Key Features

• Codeless browser tests that simulate multi-step user interactions such as signup or checkout.
• API monitoring with chained requests to validate data flows across services.
• AI-powered “self-healing” tests that adapt automatically to minor UI changes.
• Deep integration with Datadog’s wider observability suite: logs, metrics, APM, security monitoring, and incident management.

Pricing

• Synthetic API tests: start at $5 per 10,000 monthly test runs.
• Browser tests: $12 per 1,000 test runs per month.
• Additional pricing applies for Datadog’s broader observability products (infrastructure monitoring, APM, logs)

When to Choose This Tool

Datadog is best suited for medium to large SaaS companies or enterprises that already use – or want to consolidate monitoring within – a full observability platform. Its strength lies in combining uptime checks with deep diagnostics; use it when you need to jump from alert to trace/logs quickly. The main drawback is cost: Datadog can become expensive at scale, and smaller teams that only need uptime monitoring may find it more than they need.

New Relic

New Relic is a comprehensive observability platform with built-in synthetic monitoring. Its Synthetics feature allows you to simulate traffic and scripted user journeys from global locations, ensuring that critical workflows such as login, search, and checkout function correctly. Because it integrates tightly with New Relic’s Application Performance Monitoring (APM), logs, and infrastructure tools, it connects synthetic failures to APM traces, errors, and infrastructure data.

Key Features

• Browser-based monitoring to simulate multi-step user flows.
• API monitoring to test endpoints, validate responses, and track performance.
• Global testing from a distributed fleet of locations.
• Full-stack correlation: connect synthetic failures directly to APM traces, error logs, and infrastructure data.

Pricing

• Consumption-based model: you pay for the number of synthetic checks run.
• Generous free tier includes 100 free synthetic checks per month.
• Additional usage is billed per check; pricing scales with volume and is bundled into New Relic’s overall observability platform.

When to Choose This Tool

New Relic suits SaaS teams and enterprises that want monitoring embedded in a full observability ecosystem. If your developers already use New Relic APM, adding synthetic checks is a seamless way to connect uptime events to performance diagnostics. It’s especially valuable for teams managing complex applications where pinpointing the “why” behind downtime is critical. If you only need basic uptime, it’s heavy, and pricing can be harder to forecast.

Suggested Read: How To Monitor Your Web App’s RAM & CPU Usage with Netdata

Uptrends

Uptrends is a dedicated website and infrastructure monitoring platform with a strong emphasis on accuracy and global coverage. With over 230 checkpoints worldwide, it verifies uptime and performance from multiple locations simultaneously, helping to eliminate false positives. Alongside uptime checks, it offers real browser, API, and transaction monitoring. Use it to script real flows – login, search, checkout – in real browsers.

Key Features

• Concurrent monitoring from multiple checkpoints to confirm true outages.
• Real browser monitoring that measures full page load performance with waterfall reports.
• Multi-step transaction monitoring for workflows such as logins, searches, and checkout processes.
• Detailed error snapshots and traces for faster debugging.
• Support for APIs, servers, and infrastructure components.

Pricing

• Flexible, credit-based pricing model: credits are purchased and applied to different monitors (uptime, transaction, browser, API).
• Entry-level uptime checks start from around $5 per month; more advanced monitors consume more credits.
• The plan’s scale depends on usage, making it modular but potentially complex to budget.

When to Choose This Tool

Uptrends is well-suited for teams that need highly accurate monitoring with minimal false alarms, especially for global audiences. Its transaction and browser monitoring are useful for SaaS companies where user workflows must always function correctly. Agencies may also find the credit-based pricing flexible if they manage different types of clients. Credit pricing is flexible, but it’s easy to overspend if your checks grow.

Suggested Read: How to Check Running Processes in Linux Using ps, top, htop, and atop Commands

Sematext 

Sematext Synthetics is a flexible monitoring platform that combines uptime, API, and performance monitoring. It offers public test locations and private agents, which means you can monitor internal services behind your firewall and public-facing websites. Alongside uptime, it’s good for teams tracking reliability and Core Web Vitals in one place.

Key Features

• Uptime monitoring for websites, APIs, SSL certificates, and multi-step calls.
• Core Web Vitals tracking, including Largest Contentful Paint (LCP) and Cumulative Layout Shift (CLS).
• Flexible deployment: run checks from Sematext’s global network or from private locations.
• Public and private status pages for transparent communication.
• Detailed performance reports with waterfall charts.

Pricing

• Pay-as-you-go: charges per monitor, with granular control over usage.
• Standard plan: from $29/month for a bundle of HTTP and Browser monitors.
• Pro plan: from $99/month, with higher limits and advanced features.

When to Choose This Tool

Sematext is best for teams that want flexibility, especially those needing to monitor both public and private applications. It’s useful for SaaS products where internal APIs or dashboards need to be as reliable as external websites. Core Web Vitals monitoring adds value for businesses focused on UX and SEO. It is less integrated than full observability suites, and costs rise with more monitors.

Pulsetic

Pulsetic is a modern uptime monitoring service that emphasizes status pages and incident communication. In addition to standard uptime and API checks, it allows teams to create visually appealing, branded status pages that keep customers informed during outages or maintenance. Alerts can be delivered through Slack, Telegram, email, or webhooks, making it a simple option when you want clean status pages and clear incident updates.

Key Features

• Uptime monitoring from multiple global regions with instant alerts.
• Beautiful, customizable status pages hosted on your own domain.
• Built-in incident management for posting updates and scheduling maintenance.
• Flexible alerting via Slack, Telegram, email, and webhooks.

Pricing

• Free plan for basic uptime monitoring and simple status pages.
• Paid tiers:

• Solo: $9/month for individuals and freelancers.
• Team: $19/month for collaborative use.
• Organization: $49/month for larger businesses with more complex needs.

When to Choose This Tool

Pulsetic is best for teams that want uptime monitoring and professional, customer-facing status pages. It’s particularly useful for SaaS startups and agencies that need to communicate incidents clearly and maintain trust during downtime. The main limitation is that it lacks some advanced features (like synthetic transactions or deep analytics) offered by larger platforms, so it is not aimed at enterprise-scale synthetic or analytics needs.

Final Thoughts

Choosing the right uptime monitoring tool gives you visibility into outages, faster response times, and the data you need to keep customers confident in your service. But monitoring is only half the equation. If your hosting environment and server management aren’t reliable, even the best monitoring tool will spend more time alerting you to problems than helping you prevent them.

That’s where RunCloud comes in.

By pairing a powerful monitoring tool with RunCloud’s server management platform, you create a foundation that minimizes downtime from the start. With automated SSL renewals, server-level caching, and auto-healing services, RunCloud helps ensure your applications run smoothly – even during traffic spikes or unexpected errors.

If uptime is critical to your business (and it should be), combine proactive monitoring with a hosting setup designed for resilience.

Start building on RunCloud today and give your monitoring tools less to worry about.

FAQs on Website Uptime Monitoring Tools