Paessler PRTG

24/7 website availability?
It’s possible with PRTG


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    Monitor the availability
    of your websites

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    Monitor load times

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    Receive immediate notifications in the event of downtime or poor performance
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    Monitor from several
    different locations








website performance 2

What’s “website availability?”

Website availability is the amount of time that a website or service can be accessed by users. It is usually calculated as a percentage, and ideally, should be as close to 100% as possible. The “five nines” – or 99.999%, correspond to 5 minutes of downtime per year and is a value worth pursuing.




Why website availability
is important

For most companies, a properly functioning website is a must.
Slow pages and 404 errors can have a major impact on business
and often come with a hefty price tag.

The PRTG Network Monitor provides round-the-clock monitoring
of the performance and availability of your websites. Thanks to
PRTG, you can stop errors in their tracks. And in the event that
one sneaks through, you'll be notified at once.




Trusted by 500,000 users and recognized
by industry analysts as a leader


“Fantastic network and infrastructure monitoring solution that is easy to deploy and easier still to use. Simply the best available.”

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“Software is absolutely perfect, Support is superior. Meets all needs and requirements, this is a must have solution if you are needing any form of monitoring.”

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“The tool excels at its primary focus of being a unified infrastructure management and network monitoring service.”

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PRTG monitors the
following parameters:


  • Availability of your websites and domains
  • Whether certain content is available on the website
  • Page speed
  • Changes to the website
  • CPU and memory usage, storage space on your web servers, etc.
  • Availability and performance of your databases

Check worldwide availability with PRTG

PRTG HTTP sensors monitor the availability and speed of your
domains and websites. And with the Cloud HTTP v2 sensor and
Cloud Ping v2 sensor, you can check availability from locations around the world.


cloud http sensor


cloud ping sensor


Create innovative solutions with Paessler’s partners

Partnering with innovative vendors, Paessler unleashes synergies to create
new and additional benefits for joined customers.


IT that works constitutes a business-critical basis for a company's success. Availability and security must be defined for the respective purpose and closely monitored – by OT and IT alike.

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Integrating monitoring results from PRTG into NetBrain maps makes the foundation for network automation.

Read more


With ScriptRunner, Paessler integrates a powerful event automation platform into PRTG Network Monitor.

Read more



PRTG in a nutshell


PRTG monitors your entire IT infrastructure

Use PRTG to monitor, for example, network traffic, applications, bandwidth, cloud services, databases, virtual environments, availability & uptime, ports, IP addresses, hardware status, network security, web services, and much more.

PRTG supports the most important technologies

Monitor your network for example via SNMP, flow protocols (NetFlow, jFlow, sFlow, IPFIX), SSH, WMI, or ping. PRTG also supports technologies used in Industrial IT & OT environments, such as OPC UA, MQTT, or Modbus. Use the powerful PRTG API for custom integrations (for example via Python, PowerShell, or REST).

PRTG can be used for any operating system

Download and install PRTG Network Monitor on a Windows system or use our cloud-based product PRTG Hosted Monitor for all other operating systems. What’s more: our native PRTG Desktop application runs on Windows or macOS – for even quicker access & multi-server views.



Still not convinced?



More than 500,000 sysadmins love PRTG

Paessler PRTG is used by companies of all sizes. Sysadmins love PRTG because it makes their job a whole lot easier.

Still not convinced?


Monitor your entire IT infrastructure

Bandwidth, servers, virtual environments, websites, VoIP services – PRTG keeps an eye on your entire network.



Try Paessler PRTG for free

Everyone has different monitoring needs. That’s why we let you try PRTG for free. Start now with your trial.




Network Monitoring Software - Version (May 2nd, 2024)


Download for Windows and cloud-based version PRTG Hosted Monitor available


English, German, Spanish, French, Portuguese, Dutch, Russian, Japanese, and Simplified Chinese


Up to 100 sensors for free (Price List)

Unified Monitoring

Network devices, bandwidth, servers, applications, virtual environments, remote systems, IoT, and more

Supported Vendors & Applications

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