Monitor app performance and track errors in real-time to quickly find, fix, and learn from issues—built for developers and software teams.
Find and fix app errors fast, with real-time insights
Sentry helps you monitor your applications for errors and performance issues, so you can spot problems quickly and resolve them before they impact users. Whether you're a developer or part of a software team, Sentry gives you a clear view of errors, crashes, and slowdowns across web, mobile, and gaming projects.
With tools like real-time error tracking, session replay, and performance monitoring, you can investigate issues, see user impact, and get to the root cause faster. Sentry also offers integrations with popular frameworks and languages, making it easy to fit into your workflow.
If you want to catch bugs early, understand what’s slowing down your app, and keep your users happy, Sentry provides the insights and automation to make your debugging process smoother and more efficient.
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Airbrake helps developers monitor errors and track app performance in real time, making it easy to spot and fix issues before users notice.
Prometheus is an open-source tool for monitoring systems and analyzing time series data with powerful metrics, alerts, and flexible querying.
Monitor your website uptime and performance easily with updown.io. Get simple, affordable alerts for downtime and issues, plus multi-service checks.
Zipkin is a distributed tracing tool that helps you find and fix latency issues in service architectures by collecting and visualizing timing data.
Honeybadger helps developers track errors and monitor application performance, offering uptime checks, logging, and status pages for smoother releases.
Blackfire.io helps developers monitor and profile PHP and Python apps, spot performance issues early, and optimize code with real-time insights and recommendations.
GoAccess lets you analyze and visualize web server logs in real time, offering clear insights into your website traffic right from your terminal or browser.
Honeycomb is an observability platform that helps you monitor, analyze, and troubleshoot distributed services and applications in one unified place.
Raygun helps you monitor, detect, and fix errors in web and mobile apps, so you can quickly resolve issues and improve user experience.
Stackify provides developers with tools to monitor app performance, track errors, and analyze logs, helping you detect and resolve issues quickly.
LogRocket lets you replay user sessions, track errors, and analyze product performance, helping you quickly spot and fix issues in your web apps.
New Relic is an all-in-one observability platform where engineers can monitor, debug, and optimize the performance of their entire software stack.
BugSnag helps you monitor, track, and resolve app errors in real time, giving developers insights to improve mobile and web app stability and performance.
OpenNMS offers open source software for monitoring, analyzing, and alerting on enterprise networks, making it easy to manage distributed IT systems.
Check how fast your website loads and get tips to improve speed and performance across desktop and mobile devices. Free, easy-to-use web analysis tool.
GTmetrix lets you test and monitor website speed, providing detailed reports and actionable tips to help you optimize your site's performance for free.
Test your website’s speed for free and get detailed insights to help make your site faster and improve user experience.
Monitor your website’s speed, track performance issues, and get insights to improve user experience with real-time data and expert guidance.
Check your website’s speed and uptime from around the world with instant alerts and easy-to-read analytics. Free web host tracking for any skill level.
Monitor your website, web apps, and APIs around the clock. Get real-time alerts, uptime reports, and detailed testing to keep your services running smoothly.
AIDA64 helps you monitor your PC's hardware, sensors, and performance with custom panels and detailed system info. Available in multiple languages.
Super Monitoring checks your website’s uptime, speed, and key functions so you can spot issues quickly and keep your site running smoothly.
Conviva delivers real-time analytics so teams can monitor performance, spot issues, and improve user experiences across digital platforms and industries.
Learn about DTrace, a powerful tool for analyzing and troubleshooting system performance on platforms like Solaris, Mac OS X, and FreeBSD.
Geekbench 6 lets you easily test and compare your computer or mobile device’s performance with quick, cross-platform benchmarking tools.
Perfetto UI is a web-based tool for visualizing and analyzing performance traces, helping developers spot and resolve app performance issues quickly.
Geekbench lets you test your computer’s CPU and GPU performance, view benchmark charts, and compare scores with others through the Geekbench Browser.
Explore Pingdom's blog for tips, guides, and updates on website performance monitoring, uptime tracking, and digital experience insights.
YSlow analyzes web pages and gives suggestions to help you boost site speed and performance using proven rules for high-performance websites.
Munin helps you monitor servers and networks by tracking resource trends and performance issues, offering easy setup and clear visual graphs.
Monitor your website's uptime, SSL, and key services. Get instant alerts via email, SMS, or apps so you know right away if your site goes down.
DebugBear helps you monitor website speed and Core Web Vitals, sending alerts and offering insights to optimize performance and boost your Google ranking.
Nagios offers IT infrastructure monitoring tools to help you track servers, networks, and logs, making it easy to keep your systems running smoothly.
Nagios offers open-source tools to monitor servers, networks, and IT systems, helping you track performance and resolve issues efficiently.
Monitor your websites, APIs, and services for uptime and performance issues, with instant alerts by email, SMS, or Slack. Stay informed and keep things running smoothly.
Monitor your network, servers, and cloud apps in real time with Zabbix, an open-source platform for easy and reliable performance tracking.
Calibre helps teams monitor website speed and Core Web Vitals with real-user and synthetic data, offering clear reports, alerts, and actionable insights.
Perfetto lets you profile systems, capture app traces, and analyze performance data with powerful tools for developers and engineers.
See real-time speed and uptime comparisons for DNS providers worldwide. Find the fastest and most reliable DNS services with easy-to-read analytics.
Crystal Dew World offers free tools like CrystalDiskMark and CrystalDiskInfo to check, benchmark, and monitor your computer's storage health and speed.
安兔兔是一款专业手机性能评测工具,支持最新技术跑分,并提供行业资讯和新机硬件参数。界面为中文。
Monitor your infrastructure and apps in real time with Netdata. Get instant insights into systems, containers, and apps—no setup or configuration needed.
Paessler offers PRTG, a powerful tool for monitoring your entire IT infrastructure, helping you spot and solve network issues before they impact users.
Check and share your computer's hardware specs, performance scores, and validation results with CPU-Z Validator. Track records and compare stats easily.
Rollbar lets software teams track, log, and fix errors in real-time, offering instant alerts, smart grouping, and tools for faster debugging and resolution.
Monitor websites, servers, and cloud platforms for uptime and performance. Get instant alerts and troubleshoot issues easily with Site24x7.
Pandora FMS offers flexible monitoring for networks, servers, applications, and IT infrastructure, helping you manage and observe your systems in one place.
Test your computer’s speed, reliability, and hardware with easy benchmarking and diagnostic tools. Extract forensic data and monitor performance in one place.