List of the Top Website Monitoring Software for Varnish in 2026

New Relic's Website Performance Monitoring equips digital leaders with the tools to safeguard and enhance their online revenue by guaranteeing peak website efficiency. This user-friendly, no-code platform offers continuous, automated surveillance that swiftly detects and notifies users of critical issues such as outages and sluggish loading times, both of which can adversely affect conversion rates and customer satisfaction. By presenting actionable insights into vital metrics, including Core Web Vitals, it allows for data-driven decision-making aimed at enhancing user experience, fine-tuning marketing efforts, and sustaining a competitive advantage. New Relic’s solution delivers the necessary visibility to reduce revenue losses due to subpar website performance, boost marketing return on investment, and ensure that digital strategies align with business goals.

Downtime costs revenue, customers, and reputation — and most businesses only find out about it when a customer complains. Xitoring makes sure you know first. Xitoring is an all-in-one monitoring platform that watches your servers, websites, and online services around the clock. If something slows down, breaks, or goes offline, the right person on your team is alerted within one minute — by email, SMS, phone call, WhatsApp, Slack, Microsoft Teams, or any of 20+ notification channels. Unlike enterprise monitoring suites that take weeks to deploy and require specialist training, Xitoring is running in minutes. One command installs the monitoring agent on any Linux or Windows server, and it automatically detects and monitors the software your business runs on — web servers, databases, containers, and more than 30 common services. No consultants, no configuration marathon. Xitoring includes built-in AI that answers questions about your infrastructure in plain English. Ask "why was the website slow yesterday?" or "which servers need more capacity?" and get answers based on your actual data — turning hours of technical investigation into a single question. It also connects to AI assistants like Claude through the Model Context Protocol (MCP), so your team's AI tools can check system health and manage monitoring automatically. Keep customers informed with a professional status page on your own domain, fully branded to your business. Track uptime commitments with SLA reports. Manage incidents from detection to resolution in one place, with iOS and Android apps so your team stays covered anywhere. Pricing is flat and predictable — no per-metric charges or usage surprises. Start free forever with 2 servers and 8 uptime checks, or take a 30-day free trial of any paid plan (from $4.99/month). Trusted by IT teams, MSPs, and growing businesses worldwide.

Centreon stands as a worldwide leader in IT monitoring that emphasizes business awareness to ensure optimal performance and uninterrupted operations. The company's AIOps-ready platform is comprehensive and tailored to function effectively within the intricacies of modern hybrid cloud environments, adeptly addressing the challenges posed by distributed clouds. By monitoring every facet of IT infrastructure, from cloud services to edge devices, Centreon provides a detailed and all-encompassing perspective. It eradicates blind spots by overseeing all hardware, middleware, and applications integral to contemporary IT workflows. This monitoring encompasses legacy systems on-premises, as well as assets in private and public clouds, extending all the way to the network's edge where smart devices and customer interactions converge to generate business value. Always keeping pace with the latest developments, Centreon is adept at managing even the most fluid operational settings. Its auto-discovery features enable seamless tracking of Software Defined Networks (SDN), AWS or Azure cloud resources, Wi-Fi access points, and all other components vital to today’s flexible IT infrastructure. Through continuous innovation and a commitment to adaptability, Centreon ensures that organizations maintain a competitive edge in an ever-evolving digital landscape.