Top 9 Website Monitoring Software SaaS Companies in May 2026

Pleasanton, California, United States

cloud-based monitoring service

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.

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.

Hong Kong, Hong Kong, Hong Kong

At Chinafy, we have one ambitious goal: to help the Chinese and Western Internets communicate better. Today, Chinafy runs the largest cross-border web compatibility and acceleration service, powering all types of companies from regional governments, and multinationals, to local businesses and startups alike. From Finance, to Travel, Pharma, to Education, Chinafy makes global websites perform fast, efficiently, and securely, in China without the need for complex engineering, onshore hosting, or licences. While traditionally, Cloud and CDN providers accelerate content delivery, these services have little impact on web performance in China, leaving the world’s single largest market completely off the grid. Chinafy’s full-stack approach bolts onto any site, of any configuration, optimising across content, code and networks, putting the problems that Marketers, Engineers, and DevOps have, to rest. Securely powering websites of all scales, Chinafy is ISO 27001 certified, PCI DSS compliant and GDPR compliant. Does your site work in China? Is anything broken? Find out! Take our Visual Speed Test: https://www.chinafy.com/tools/visual-speed-test

San Francisco, California, United States

IT systems monitoring made easy and affordable. Monitoring as a service for servers, networks and websites. Free plan. Paid plans start from $8/month.

Phoenix, Arizona, United States

Developer of a server monitoring software. The company specializes in developing a software that provides server and website monitoring services to its clients.

Allentown, New Jersey, United States

A complete status platform built for amazing companies. A platform designed for transparency. Keep your users in the loop during outages and maintenances. Hosted redundantly offsite We take much pride in our infrastructure. The systems powering Status.io span across multiple regions and providers.

United States

Is your Website Fast & Reliable ? internetVista® is web based monitoring service (SaaS) helping web professionals to quickly identify their website/application performance in terms of speed and uptime. Always be the first to know when your site is down ! internetVista® sends real-time alerts whenever an outage is detected within your site. Be notified via your favourite channels: Email, SMS, Twitter, Slack, Push notifications (IOS & Android), Webhook and API. Measure & Analyze the user experience. internetVista® allows you to monitor the user path thanks to our web scenario monitoring. This helps you to make sure to provide the best online experience to your users and thus improving your conversion rate. Catch & Identify the reason why your website face downtime ! Get insightful reports about your site & internet services performance from all around the world thanks to our monitoring centers located in Europe/USA/Canada. Automate your performance reports thanks to our API. Take your monitoring to the next level and monitor: - Your Website (HTTP/HTTPS) - The user experience (Web Scenario/Transaction Monitoring) - Your email & network server ( POP, IMAP, SMTP, PING, TCP, ...) - Your internet Services (mySQL database, DNS, FTP) Free Trial available at internetvista.com

Puerto de la Cruz, Canary Islands, Spain

Uptime monitoring service