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Top 9 Website Monitoring Software SaaS Companies in May 2026

As of May 2026, there are 9 SaaS companies in Website Monitoring Software. They have combined revenues of $61.7M and employ 115 people. They have raised - and serve 10K customers combined.

Website monitoring software is designed to track the functionality and performance of websites. These tools typically monitor website uptime, page load speeds, and the occurrence of broken links or errors, alerting users in real-time to any issues that arise. The primary use cases include ensuring optimal site performance, enhancing user experience, and supporting e-commerce operations by minimizing downtime. Typical features of website monitoring software include customizable alerts via various communication channels, historical performance reporting, and integration with other web services. Users of these solutions include IT professionals, web developers, and e-commerce managers who require reliable monitoring to maintain website health and ensure seamless customer experiences. Additionally, businesses of all sizes may employ website monitoring tools to safeguard their online presence and uphold service level agreements with clients.

Companies
9
Revenue
$61.7M
Funding
-
Employees
115

Filters

Sorting: Highest -> Lowest

Filters

Top Website Monitoring Software Companies

Showing 10 of 2 companies ranked by annual revenue.

1
Gatling

Paris, Île-de-France, France

Performance issues are the worst enemies of your website. 53% of users say they will leave a website that takes more than 3 seconds to load and it could impact your revenues quite badly. Your web app might be fine right now, but are you sure it can handle traffic spikes or extended high use without affecting the user experience? Do you know your max capacity? That’s where we come in. With more than 20 million downloads, Gatling has helped +200,000 companies all over the world prepare for success. With scripting available in JavaScript, TypeScript, Java, Scala or Kotlin, our solutions designed for DevOps and CI/CD help you develop high-quality crash-proof applications through load testing. Our open-source solution will help you grasp the basics of load testing, while our Enterprise offers will give you access to distributed testing, live reporting, advanced metrics and public Gatling APIs/integrations. Gatling Enterprise is available in Cloud and Self-Hosted versions, or can be used through the AWS and Azure Marketplaces. Want to know how to get started? Schedule a demo directly with our experts! You can also jump start your load testing skills with the Gatling Academy, our learning platform, or check-out our wide range of blog posts, webinars and use-cases at www.gatling.io.

Revenue
$4.8M
Customers
-
Year founded
-
Funding
-
Team size
44
Growth
-
2
Uptime.com

Palo Alto, California, United States

Uptime.com provides peace of mind to thousands of customers like Apple, Microsoft, IBM, Palo Alto Networks, Kraft, and BNP Paribas who trust us to monitor the performance, health, and downtime of their websites, applications, and infrastructure. We’ve been recognized as the world’s best website and service monitoring solutions by G2 and TechRadar Pro for several consecutive years. Our customers depend in our services for mission critical availability monitoring. Monitor in minutes with our 14-day free trial: www.uptime.com.

Revenue
$3.5M
Customers
-
Year founded
2013
Funding
-
Team size
32
Growth
-

Inclusion Criteria

- Software must monitor website uptime and performance metrics. - Must provide real-time alerts to users regarding website issues. - Should include reporting features to analyze historical performance data. - Must support notifications via multiple channels (e.g., email, SMS). - Excludes software that only offers analytics without monitoring capabilities.