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  1. Home>
  2. IT Topics>
  3. Network>
  4. Website Monitoring Tool
PRTG Logo

Free Website Monitoring with PRTG

Plus 24/7 monitoring of your entire IT infrastructure

  • Monitor website availability, load times, processes, and more
  • Instant alerts help prevent crashes and optimize website performance
  • Historical data & custom reporting assist with long-term analysis
Free download
product overview

Our users give top ratings for monitoring with Paessler PRTG

Gartner peer insights
spiceworks
Capterra
G2
Trustpilot

PRTG website monitoring: What you will find on this page

Table of content
  • Monitor these 3 website parameters with PRTG – and more
  • What web page monitoring looks like in PRTG
  • 5 advantages of using PRTG as your website monitoring tool
  • Explore our preconfigured PRTG sensors for website monitoring
  • Website Monitoring Tool: FAQ

PRTG makes website uptime monitoring as easy as it gets

Custom alerts and data visualization let you quickly identify and prevent website availability and page speed issues.

Free download
PRODUCT OVERVIEW

Monitor these 3 website parameters with PRTG – and more

icon Global

Worldwide availability

Monitor the availability of your website 24/7 with Paessler PRTG using, for example, the included  HTTP v2 or HTTP Advanced sensor.

Global companies can monitor availability from a variety of locations all over the world with the preconfigured Cloud HTTP v2 and Cloud Ping v2 sensors that also come with PRTG out of the box.

icon Uptime

Detailed load times

Optimize system performance by monitoring website load time and how it changes over an extended period of time.

It’s easy with the included HTTP Full Web Page sensor, which also allows you to identify individual elements that are responsible for slow load times so you can take action before downtimes occur.

icon Website

Website processes

Ensure all website processes are running smoothly from end to end, including your online store, homepage, shopping cart, status page, and more – for an enhanced customer experience.

Just use the preconfigured HTTP Transaction sensor for transaction monitoring and for keeping an eye on a whole series of URLs used during a complete shopping process, for example.

What web page observability looks like in PRTG

Diagnose network issues by continuously tracking website speed and availability from different locations all over the world. Show load times, website processes, SSL certificate expiry, bandwidth bottlenecks, and other key metrics in real time. Visualize monitoring data in clear graphs and dashboards to identify problems more easily. Gain the overview you need to troubleshoot web performance issues and prevent outages.

PRTG screenshot map web server monitoring

Map for web server monitoring in PRTG

PRTG Screenshot device tree view

Device tree view of the complete monitoring setup

PRTG screenshot map entire it infrastructure

Custom PRTG dashboard for keeping an eye on the entire IT infrastructure

PRTG screenshot graph live data traffic

Live traffic data graph in PRTG

Start website monitoring with PRTG and see how it can make your network more reliable and your job easier.

Free download
PRODUCT OVERVIEW

IT experts agree: Paessler PRTG is a great solution for IT infrastructure monitoring

PCMag

“All-around winning
 network monitor”

IT Brief

“The real beauty of PRTG is the endless possibilities it offers”

ITPro

“PRTG Network Monitor 
is very hard to beat”

5 advantages of using PRTG as your website monitoring tool

Faster troubleshooting

Pinpointing the cause of errors on your website can be difficult. PRTG makes it easier with a comprehensive view of your databases, web server, CDN, applications, hardware, and more. Save time getting to the root of problems and fix errors faster with PRTG.

All-in-one monitoring

With PRTG, all monitoring features, threshold-based alerts & notifications, reports, logging, and mobile apps are included. If you’re looking to set up a small monitoring system for your website, our freeware edition, which comes with 100 sensors, may be all you ever need.

Custom notifications

PRTG comes with a customizable alerting system. Receive alerts by email, push notification, SMS, and other methods of your choice. Configure notifications so you are only notified if absolutely necessary. With the time that is freed up, you can calmly go about the rest of your tasks.

Long-term monitoring

PRTG’s custom reports help you automatically document the availability and load times of your website, even over longer periods of time. Use these reports to convince management to invest in your IT infrastructure to obtain high availability and optimal load times for your website.

Hassle-free trial

Test the fully-featured version of PRTG free for 30 days. It takes just two minutes to install PRTG. Use the trial edition to get a detailed look at our software, and to help you make a decision. Our customer support will be happy to answer your questions.

Explore our preconfigured PRTG sensors for website monitoring

PRTG comes with more than 250 native sensor types for monitoring your entire on-premises, cloud, and hybrid cloud environment out of the box. Check out some examples below!

HTTP Advanced

The HTTP Advanced sensor monitors the source code of a web page using HTTP. It supports authentication, content checks, and other advanced parameters. It can show the following:

  • Number of bytes received
  • Download speed
  • Loading time
  • Time to the first byte
HTTP Advanced
HTTP Advanced

HTTP Transaction

The HTTP Transaction sensor monitors an interactive website, such as a web shop, by performing a transaction using a set of HTTP URLs. The sensor monitors whether logins or shopping carts work properly. It can show the following:

  • Maximum amount of data (in kilobytes) that the sensor transfers per request
  • Which user agent string the sensor sends when it connects to the target URL
  • If you want to allow cookies for the transaction
  • What PRTG does with the web page that is loaded at the URL
HTTP Transaction
HTTP Transaction

SSL Certificate

The SSL Certificate sensor monitors the certificate of a Secure Sockets Layer (SSL)/Transport Layer Security (TLS) secured connection. It can show the following:

  • If the common name or subject-alternative names match the host address or SNI
  • Days to expiration
  • Public key length
  • If the certificate has been revoked and if it is trusted as root authority
  • If a self-signed certificate is used
SSL Certificate
SSL Certificate

SSL Security Check

The SSL Security Check sensor monitors Secure Sockets Layer (SSL)/Transport Layer Security (TLS) connectivity to the port of a device. It tries to connect to the specified TCP/IP port number of a device with different SSL/TLS versions and shows if the device supports a particular protocol. It can show the following:

  • Security of the connection to the defined port
  • Status of connections using SSL v3, TLS 1.0, TLS 1.1, TLS 1.2, and TLS 1.3
SSL Security Check
SSL Security Check

See the PRTG Manual for a list of all available sensor types.

PRTG is compatible with all major vendors, products, and systems

compatible with all major vendors, products, and systems

PRTG makes website uptime monitoring as easy as it gets

Custom alerts and data visualization let you quickly identify and prevent website availability and page speed issues.

Free download
PRODUCT OVERVIEW

”Adopting PRTG has been like going from being in the dark to being in the light. Before, we had limited visibility into what was happening in the infrastructure and in the network. Now, however, thanks to the comprehensive dashboard and real-time notifications, we receive constant updates on the status of facilities and services, and our way of working has gone from passive to proactive.”

Luca Meneghesso, Senior IT infrastructure and Security Specialist
Banca Profilo

”GESAC increasingly focuses on innovation to improve the quality of services offered and the experience of passengers handled every day by Naples Airport. Thanks to PRTG, we finally have unified, automatic, and continuous monitoring of the airport network and can guarantee quick and timely interventions.”

Domenico Ciervo, GESAC ICT Manager
Naples International Airport

”As an international company, PRTG is ideal for us. If something went down half way across the world, we wouldn’t be woken up – we can rely on PRTG to identify the problem and alert us before it occurs – enabling the right person, in the right time zone to resolve the problem. At the end of the day, if we’re to provide an internal network experience for our employees that meets expectations, we need a tool like PRTG to be successful.”

Barry Kelly, Systems Engineer
Skyscanner

“I would recommend PRTG because it has helped us significantly improve service uptime by highlighting important alerts that would otherwise result in a system failure or service disruption if action was not taken. Thanks to PRTG, we can ensure that The Ritz London’s network and IT systems are five-star, just like the hotel.”

Richard Isted, IT Manager
The Ritz London

Your website monitor at a glance – even on the go

PRTG is set up in a matter of minutes and can be used on a wide variety of mobile devices.

device overview
Gartner peer insights

“Great interface, intuitive, full REST support. custom scripts, rest sensors add extra value. We have been using PRTG for 10 years now in multiple environments and use cases. it has by far the best interface and very easy to setup without prior experience.”

Read the complete review at Gartner Peer Insights

Create innovative solutions with Paessler’s IT partners

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

baramundi

baramundi

baramundi and PRTG create a secure, reliable and powerful IT infrastructure where you have everything under control - from the traffic in your firewall to the configuration of your clients.

Read more
IP Fabric

IP Fabric

Combining PRTG’s broad monitoring feature set with IP Fabric’s automated network assurance creates a new level of network visibility and reliability.

Read more
Telchemy

Telchemy

Combine PRTG’s monitoring of everything with SQmediator’s deep insights into your communications infrastructure to ensure and improve your company’s communications plant and troubleshooting abilities.

Read more

Find the root cause of the problem with our PRTG website monitoring solution

Real-time notifications mean faster troubleshooting so that you can act before more serious issues occur.

Free download
PRODUCT OVERVIEW
Paessler PRTG

Paessler PRTG

Network Monitoring Software – Version 24.4.102.1351 (November 12th, 2024)

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Hosting

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

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Languages

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

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Monitor everything

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

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Pricing

Choose the PRTG Network Monitor subscription that's best for you

Discover more monitoring insights and stories

Resources Solution

Solutions for all your monitoring needs

  • URL monitoring
  • Paessler - The Monitoring Experts
  • Website Availability Monitoring
Resources Content

Powerful stories from the monitoring world

  • 10 Website Performance Indicators You Should Monitor
  • Videos
  • Need to Choose a CDN Provider for Your Website? Here Are the Most Important Criteria
Resources Solutions

Resources to master your monitoring challenges

  • Web Application Monitoring
  • Monitor Web sites visited
  • Website-Login Check

Free Website Monitoring: FAQ

 

What is website monitoring?

Web monitoring is the process of observing and testing the performance, availability, and functionality of a website or web application. It involves continuously checking various metrics such as uptime, response time, and user experience to ensure the site operates smoothly and meets performance goals. This proactive approach, usually with web monitoring tools like PRTG, helps identify issues promptly, minimizing downtime and ensuring a positive user experience.

Why should I monitor my websites?

Monitoring your website with online monitoring tools such as PRTG is crucial for several reasons.

  • First, it helps ensure that your website is available and accessible to users at all times, minimizing downtime and potential revenue loss.
  • Second, monitoring allows you to identify and address performance issues promptly, maintaining a positive user experience and preserving your brand reputation.
  • Additionally, monitoring helps you track key metrics such as website traffic, load times, and user interactions, providing valuable insights for optimizing your site's performance and meeting business goals.
How can I check if the login authentication for a web page works?

To monitor if login attempts to a web page with a specific username and password combination are successful, you can use the HTTP Advanced sensor. If the website of which you want to check login credentials uses POST data to log in to the internal area, you have to find out the needed POST data for the login and provide it with the correct syntax in the settings of the sensor.

Furthermore, you have to find the response of the login form for unsuccessful login attempts. The HTTP Advanced sensor can check this answer for defined keywords and show a warning or down status if keywords are found that indicate a failed login.

Read more

How can I use the Business Process sensor for my website backend?

This Paessler Knowledge Base article describes how you can set up a basic Business Process sensor for the sample use case “website backend monitoring”.

Read the full article

How can I use the Business Process Sensor to monitor my website frontend?

This Paessler Knowledge Base article describes how you can set up a basic Business Process sensor for the sample use case “website frontend monitoring”.

Read the full article

Can PRTG do more than monitoring websites?

Yes. PRTG can monitor your entire IT infrastructure including network traffic, applications, bandwidth, cloud services, virtual environments, network security, web services, and much more.

Find some more examples here:

  • Router monitoring: PRTG can also monitor your routers. In the event of error messages, high bandwidth usage, or suspicious traffic, the notification system of PRTG automatically sounds the alarm.
  • Port monitoring: PRTG helps you prevent port connection issues by querying port status, monitoring connections using UPD and TCP protocols, and checking bandwidth and traffic via SNMP, flow protocols, and packet sniffing.
  • Memory monitoring: Never run out of RAM again with PRTG that scans your Windows, Linux, and Unix systems and alerts you to any issues with memory usage.
  • Firewall monitoring: Ensure the security of your network by monitoring all traffic, staying informed on firewall status, and getting automatic alerts of malfunctions.
  • Server monitoring: PRTG monitors mail servers, web servers, database servers – and much more.
What is a sensor in PRTG?

In PRTG, “sensors” are the basic monitoring elements. One sensor usually monitors one measured value in your network, for example the traffic of a switch port, the CPU load of a server, or the free space on a disk drive. On average, you need about 5-10 sensors per device or one sensor per switch port.

We asked: would you recommend PRTG? Over 95% of our customers say yes!

Paessler conducted trials in over 600 IT departments worldwide to tune its network monitoring software closer to the needs of sysadmins. The result of the survey: over 95% of the participants would recommend PRTG – or already have.

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Still not convinced?

Love

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.

PRTG

Monitor your entire IT infrastructure

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

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Try Paessler PRTG for free

Everyone has different monitoring needs. That’s why we let you try PRTG for free.

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Start website monitoring with PRTG and see how it can make your network more reliable and your job easier.

Free download
PRODUCT OVERVIEW

Products

  • Paessler PRTG
    Paessler PRTGMonitor your whole IT infrastructure
    • PRTG Network Monitor
    • PRTG Enterprise Monitor
    • PRTG Hosted Monitor
  • PRTG extensions
    Extensions for Paessler PRTGExtend your monitoring to a new level
  • Icon Features
    FeaturesExplore all monitoring features

Monitoring with PRTG

  • Network monitoring
  • Bandwidth monitoring
  • SNMP monitoring
  • Network mapping
  • Wi-Fi monitoring
  • Server monitoring
  • Network traffic analyzer
  • NetFlow monitoring
  • Syslog server

Useful Links

  • PRTG Manual
  • Knowledge Base
  • Customer Success Stories
  • About Paessler
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  • PRTG Support
  • PRTG Consulting

Contact

Paessler GmbH
Thurn-und-Taxis-Str. 14, 
90411 Nuremberg 
Germany

[email protected]

+49 911 93775-0

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