Free Website Uptime Monitoring Tool

Track website uptime, get downtime alerts, and ensure your site is always performing at its best with Toolszu’s powerful and user-friendly monitoring service.

Start Monitoring for Free
  • 11 seamless notification integrations for real-time alerts
 
Uptime monitors
Easily monitor the uptime and availability of your websites, servers, and network ports. Get real-time status updates to ensure everything is running smoothly.
Heartbeats monitoring
Automatically check your scheduled Cron jobs or background tasks and get alerts if they fail to run, ensuring operational continuity.
Domain & SSL monitoring
Track the expiration dates of your domain names and SSL certificates to avoid unexpected downtime or security warnings.
DNS change monitors
Monitor DNS records for changes and get instant alerts when your domain configuration is altered, protecting your online presence from unexpected disruptions.
Screenshot of the app uptime monitor page
Screenshot of the app heartbeat monitor page
Screenshot of the app domain names list page
Screenshot of the app DNS monitor page
 

Server Resource Monitors

Monitor your Linux server health in real time. Keep track of CPU load, RAM usage, disk capacity, and receive instant alerts when thresholds are exceeded.

Real-time CPU usage and server load tracking
Live memory (RAM) usage monitoring
Track disk space usage across your servers
Set custom thresholds and get instant alerts
Screenshot of the app server monitor page
 

Incident Detection & Alerts

Stay informed with instant alerts the moment a service check fails. Manage downtime efficiently and reduce response time with smart incident handling.

Define custom conditions to trigger incident alerts
Receive notifications via multiple integrated channels
View root cause analysis and downtime details
Add internal notes and collaborate with your team
Screenshot of the app monitors incidents page
 
We’ve performed 214,158 uptime checks across 38 monitored services.

Plus, we’re proudly hosting 1 public status pages for transparency and reliability.
 
Screenshot of the app ping servers feature
Global Monitoring Locations
Your monitors are checked from multiple international server locations, ensuring accurate uptime and latency tracking worldwide.
Screenshot of the app monitor custom HTTP requests feature
Advanced HTTP Requests
Fully customizable HTTP requests with support for methods like GET, POST, custom headers, request body, and basic authentication.
Screenshot of the app monitor custom HTTP responses feature
Expected Response Validation
Define and validate specific HTTP response content to ensure your services are functioning exactly as intended.
Screenshot of the app email alerts feature
Real-time Email Notifications
Get beautifully crafted and instant email alerts the moment your websites or services experience downtime or recovery.
Screenshot of the app projects feature page
Project Organization
Easily group and manage your monitors under specific projects, making large-scale monitoring simple and organized.
 

Smart Notification Integrations

Stay instantly informed with a wide range of notification channels — including Email, Slack, Discord, Telegram, Webhooks, and more — to ensure you never miss a critical update about your website’s uptime or performance.

Email
Webhook
Slack
Discord
Telegram
Microsoft Teams
SMS
Phone call
Whatsapp
X tweet
Push notification
API system

Developer-ready tools

Powerful and easy-to-integrate API system built for developers to automate uptime monitoring, alerts, and reporting with minimal effort.

Uptime monitors
DNS monitors
Server monitors
Heartbeats
Domain names
Notification handlers
API Documentation
curl --request POST \
--url 'https://uptime.toolszu.com/api/monitors' \
--header 'Authorization: Bearer {api_key}' \
--header 'Content-Type: multipart/form-data' \
--form 'name=Example' \
--form 'target=https://example.com/' \
 

Here's what people are saying

Fabian, E-commerce Entrepreneur

“ Toolszu has made monitoring my website’s uptime a breeze. It’s simple to use, and I love the real-time alerts that keep me updated. I can now ensure my website runs smoothly without worrying about downtime. ”

Fabian, E-commerce Entrepreneur
Marcus, Digital Marketing Expert

“ The free website monitoring service from Toolszu is exactly what I needed. It tracks my site’s uptime and performance seamlessly. Now I can focus on growing my business without stress over technical issues. ”

Marcus, Digital Marketing Expert
Sanju, Freelance Developer

“ I’ve used several monitoring services, but Toolszu stands out. The uptime monitoring is reliable, and the service is incredibly user-friendly. Plus, the free plan is perfect for small businesses like mine. Highly recommended! ”

Sanju, Freelance Developer
 

Answers to your most common questions

Toolszu constantly monitors your website at regular intervals to ensure it’s online and performing optimally. If your site goes down or experiences slow response times, the system immediately triggers alerts and provides detailed diagnostics. This helps you take fast action to minimize downtime and maintain user trust.

Yes, Toolszu offers a powerful free plan that includes essential website uptime monitoring features. You can track the health of your site, receive instant downtime alerts, and access key performance metrics without any cost — ideal for startups, bloggers, and small businesses.

Absolutely! Toolszu lets you fully customize your downtime alerts. Choose from multiple notification channels like email, Slack, Telegram, or Discord. You can define thresholds and trigger rules to ensure you get notified the moment something important happens.

Toolszu gives you real-time performance tracking and uptime analytics. You can view detailed logs, analyze visitor behavior, and track system resource usage. With interactive dashboards and reports, you get clear visibility into your site’s performance to help improve user experience and SEO rankings.
 

Start Monitoring Today

Set up uptime monitoring, track server performance, and create beautiful status pages — all in minutes with Toolszu.

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