Best Website Monitoring Software
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Compare the Top Website Monitoring Software as of December 2025
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What is Website Monitoring Software?
Website monitoring software continuously checks the availability, performance, and functionality of websites to ensure they are running smoothly and accessible to users. It tracks metrics like uptime, page load speed, response time, and transaction success, alerting teams immediately if issues or downtime occur. This software helps identify problems such as broken links, server errors, or security vulnerabilities before they impact visitors. Integration with incident management and analytics tools enables faster diagnosis and resolution of issues. Ultimately, website monitoring software helps businesses maintain reliable online presence, improve user experience, and protect brand reputation. Compare and read user reviews of the best Website Monitoring software currently available using the table below. This list is updated regularly.
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Varnish
Varnish Software
Varnish Software’s powerful caching technology helps the world’s biggest content providers deliver lightning-fast web and streaming experiences for huge audiences, without downtime or loss of performance. Our solution combines open-source flexibility with enterprise robustness to speed up media streaming services, accelerate websites and APIs, and enable global businesses to build custom CDNs, unlocking unbeatable content delivery performance and resilience. Our customers include Hulu, Emirates and Tesla, and our technology is powered by a caching layer that’s trusted by more than 10 million websites worldwide.
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