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Top 16 Best Website Performance Monitoring Tools & Software of 2024

Website performance is important as it directly impacts your business bottom line, this is why picking the right website monitoring service is crucial! They perform regular tests and alert you whenever your site is down, making it easier for you to spot and track down issues and solve them.

There are lots of options out there from simple uptime monitoring or transaction monitoring to complex web performance monitoring solutions. So if you are in the market for website monitoring software, look no further than this carefully curated list of some of the best options out there.

There are lots of different ways to go about looking for what’s causing your performance to drop, from monitoring the servers’ resources to using tools like real user monitoring and synthetic monitoring to analyze how the website responds to user input.

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Picking the right tool for the job can be difficult with so many things to consider, from paid tools to open source, there are countless options from where to choose. While there are some very solid open source options out there I want to focus on the SaaS options as they have more support and can provide service level agreements that most open-source tools can not.

Top 16 Best Free & Paid Website Performance Monitoring Tools

Without further ado, here are the top 15 best free and paid website performance monitoring tools available today.

1. Sematext [freemium: free trial available]

Pricing: $0/month. Premium plans start at $5/month.

Sematext Cloud is an a full-stack monitoring solution that provides end-to-end visibility and observability. When it comes to website monitoring, the suite offers two solutions you can use independently or together:

  1. Sematext Synthetics, a synthetic monitoring tool for monitoring websites, SSL certificates, and APIs
  2. Sematext Experience, a real user monitoring (RUM) solution

With the launch of Sematext Experience and Synthetics, Sematext became the go-to tool for developers looking to get insight into their infrastructure while still keeping an eye out on the user experience metrics.

With Sematext Experience, you’ll get a report on the actual experience and satisfaction of your users while providing key pieces of information as to how your website or application is performing in different locations, devices, or different connection speeds.

Best monitoring with easy pricing

G2 Reviewer - Business founder
  • Likelihood to Recommend 95%
  • Ease of Doing Bussiness With 97%
  • Quality of Support 98%

On the other side of the spectrum, you’ll be able to set up Synthetic Monitoring in literally 5 minutes and quickly see just how fast … or slow… your site is. The monitors will “ping” your website(s) or API(s) from a number of locations all across the globe (and/or your private locations) and report back stats like website speed, website uptime, error rates, APIs responses, SSL certificate expiry, and many other metrics. If you want to simulate multi-step/multi-page user journeys, you can do so with user journey scripts (see examples). You can even use it to benchmark against competitors and identify areas you should optimize to improve website performance. Oh, and we really like the integration with CI/CD and status pages.

Getting started with Sematext is quite easy and intuitive thanks to the simple setup wizard that every new user gets to see. Check out this 2-minute video to see how to get started. The website monitoring solutions – Experience & Synthetics – are covered in the second half.


Every plan has a risk-free, 14-day trial that does not require any credit card to be added. Sematext also offers granular control over what you pay for as every monitoring solutions in Sematext is individually priced. This way you can pay only for what you need and use.


  • A unified location for all your frontend monitoring, logs, metrics, and events
  • Identify resources & requests with the biggest negative impact on your website performance
  • Real-time alerts with numerous notification channels, anomaly detection, scheduling, etc.
  • Support for all major frameworks
  • Comprehensive documentation

2. Pingdom [paid]

Pricing: $10/month

best website performance monitoring tool

Pingdom is an uptime monitoring service that will send out detailed alerts whenever an application or website goes down. With a user-friendly interface and an affordable price – compared to the more expensive tools out there – Pingdom has made its way into the list of the top monitoring services by offering a wide range of capabilities, including SSL certificate monitoring (a feature that you can read more about in our review of the best SSL certificate monitoring tools) and website performance monitoring.

Pingdom has real user monitoring solutions that track real-time visits to your site and allows you to enhance your performance with the data collected from actual people. Geographical performance is being monitored as well to ensure that your site will have the best possible performance regardless of where the users are accessing it from.

While you are able to monitor a large number of endpoints, performance seems to suffer especially when viewing individual items.

Pingdom will alert you every time a service or third-party resource goes down but there are sometimes inconsistencies with the alerting as users have reported the service either not sending the alert at all or sending false positives.

Their plans start at $10/mo and you get 10 uptime monitors and 1 advanced monitor with tests from their 100 + check locations scattered across the world. While they don’t have a free tier, they do offer a 14 days test trial that can show you everything they have to offer.


  • Detailed interfaces with user-friendly features
  • Instantaneous alerting system
  • Real user monitoring and synthetic monitoring
  • The mobile application makes up for the somewhat complicated setup
  • SMS and email notifications are available

Want to see how Sematext stacks up? Check out our page on Sematext vs Pingdom.

3. Uptime Robot [free + paid]

Pricing: $0/month. Professional plans start at $7/month

web monitoring software

Uptime Robot has been viewed as the new kid on the block for a while and it’s probably one of the greatest best value-for-money solutions, especially if you are looking for just a simple tool that will tell you when your services are down. The free account gives you 50 monitors which are plenty enough for most small websites or web apps along with 5-minute monitoring intervals from 12 locations around the globe and 3 months of log storage

If you are looking for a tool that can provide you with both synthetic monitoring as well as real user monitoring, Uptime Robot is not going to be the one. As the name suggests it focuses on performing synthetic checks on your site and APIs every 5 minutes and provides alerts through a number of integrations with tools like Slack, Pagerduty, OpsGenie, Telegram, and VictorOps.

While it does lack certain features like speed insights, the 24 months of log storage and 1-minute checking intervals for the premium plan are great bonuses.


  • Advanced notifications will let you set certain prerequisites for your alerts. Eg: x errors in y minutes
  • Simple setup process
  • Heartbeat monitoring for intranet and cron jobs
  • SMS and email notifications are available

Want to see how Sematext stacks up? Check out our page on Sematext vs Uptime Robot.

4. Team Viewer Web Monitoring (former Monitis) [paid]

Pricing: Starts at $10.90/month.

Advertised as a cloud-based, all in one IT monitoring solution, the Team Viewer Web Monitoring will check your website in frequencies of up to 1 minute and report back via a customizable alerting system any deviation from the normal.

Team Viewer’s Web Monitoring tool works best in conjunction with their Uptime Monitoring, Transaction Monitoring, and Full Page Load monitoring tools. But even on its own, their real user monitoring solution will give you detailed information on the users’ browser and platform performance, page load times, geographic user breakdown, and more.

This solution stands out from the crowd by featuring a fully customizable pricing scheme that allows its users to pick and choose what features they want to use. While the Basic plan begins from $10.90 per month, they also offer a custom plan, meaning the final monthly price will be based on the total number of customizations you choose.

While Team Viewer Web Monitoring doesn’t offer a free tier, you can still take it out for a test drive by signing up for their free trial which will give you a front-row view to everything they have to offer.


  • 25 Basic Monitors
  • 5 Check Locations
  • Check Frequencies up to 1 minute
  • Multiple Protocols
  • Webpage Content Check
  • Instant Alerts

5. AlertBot [paid]

Pricing: $40-$1167/month


AlertBot is a website monitoring tool that offers advanced features that are easy to use for testing your websites, web applications, servers and API’s. They provide detailed reports that help pinpoint website problems and identify bottlenecks so you can act quickly.


  • Simple, intuitive, and easy to setup with great customer support.
  • Real browser transaction web recorder to simulate multi-step user interactions like shopping carts, form, logins and other processes.
  • Detailed summary reports in email.
  • Alerting via text, email, or phone call.
  • Global testing from 100+ locations.

6. New Relic Browser [freemium]

Pricing: $0 to $99/mo – $0.3/GB

best website performance monitors

New Relic Browser provides details on your most resource-intensive requests by volume, response time, callback time, throughput, and data transfer. It offers a rich ecosystem for monitoring your website and applications that are usually better suited for large businesses and organizations with lots of business-critical services.

Following the company’s commitment to helping their customers with their security, New Relic Browser offers two data regions, one in the US and one in the EU. They are also SOC2 compliant which means their customer data is safe and secure.

With New Relic Browser you can expect more modern metrics that are centered around the users’ needs rather than just plain old load times. Browser will help you understand how code changes impact end customers by monitoring contentful paint times, and interactivity metrics and providing different details on what slows down your website as well as all the different errors you might encounter.


  • Full support for Google’s Core Web Vitals
  • Custom dashboards
  • Advanced alerting systems
  • Integration with your favorite ticketing system

Want to see how Sematext stacks up? Check out our page on Sematext vs New Relic.

7. Datadog Synthetics [freemium: free trial available]

Pricing: $5/ten thousands tests
(Sounds like a lot of tests? It turns out it’s not when you dig into it, which is what we did in the eyeopening Sematext vs. Datadog pricing video. Conclusion: very pricey!)

top website monitoring service

Datadog Synthetics lets you proactively monitor your API endpoints and send alerts based on predefined parameters. You’ll be able to break down network timings that will eventually help you get to the root cause of your issues faster.

You can incorporate Datadog Synthetics tests straight in your CI pipeline to ensure early problem detection allowing you to evaluate the state of your production environment after each deployment and minimize downtime by eliminating errors before your users ever see them.

All your critical transactions can be monitored with Datadog Synthetics without writing a single line of code with the web recorder. End user screenshots and step-by-step waterfall visualizations are paired with an intelligent system that identifies elements even after you make changes to the UI which results in a lot fewer broken tests.

Pricing wise Datadog Synthetics starts at $5 for every ten thousand tests run every month and it is specifically aimed at monitoring SLAs and SLs from locations around the world. Browser tests start at $12 for every thousand tests and allows you to record tests without code, self-maintaining intelligent tests, and screenshots for every step.


  • Track site uptime and latency
  • Latency display of DNS, SSL, TTFB, and more
  • Web-Recorder for code-free test creation
  • AI-driven Self-Maintaining Tests

Want to see how Sematext stacks up? Check out our page on Sematext vs Datadog. We have also compiled a list of the best alternatives to Datadog that can help you better decide.

8. Dynatrace [freemium: free trial available]

Pricing: $0.001/check
(Sounds cheap? Let’s see: if you want to monitor a single URL and run a check every minute, that’s 1440 checks per day. If you want to run checks from 3 locations that’s 4320 runs. That’s $4.32/day, or around $130/month for monitoring a single website. Conclusion: expensive!)

website performance monitoring tool review

Dynatrace monitors the availability and performance of your internal resources with monitors from a private elocution making it easy for you to understand how your users experience your website and apps by measuring and recording key metrics.

Dynatrace offers three types of synthetic monitors. The first one is a single-URL browser monitor that acts as a simulated user visiting your app or website and can be configured to work from any of their available locations with a frequency of 5 or more minutes. The second one is Browser click paths that are similar to the single-URL act as a user but follow a path throughout your application. The third version is the HTTP monitor which is a simple HTTP request that can be customized and run at various intervals.

The pricing for Dynatrace is simple as it starts at $11 per month for every ten thousand monitoring units. These can be either Real user monitoring, Session replay, and Synthetic monitoring. Dynatrace also offers a free trial with no commitment.


  • Flexibility to utilize real-user monitoring, synthetic monitoring, and session replay
  • Built with privacy and security in mind to meet your GDPR requirements
  • Real-user monitoring for mobile, hybrid and single-page applications with common analytics

Want to see how Sematext stacks up? Check out our page on Sematext vs Dynatrace. Before opting for that trial, take some time to read about what Dynatrace alternatives have to offer.

9. Checkly [paid]

Pricing: $0 – $1500/month

website performance monitoring software

Checkly uses Puppeteer and Playwright frameworks to simulate users’ interactions with your website or application within a Chrome browser. While you can write the test scripts yourself, Checkly does offer a Headless Recorder browser extension to aid you. Once you’re done with the code you can run it every 10 minutes.

The alerting system is very versatile and allows you to get an alert whenever one or multiple parameters are met. The alert can go out to your Email, Slack, Pagerduty, or SMS.

Tests are run from one of six locations in America, eight locations in Europe and Africa, and six other locations in Asia. Getting feedback from different locations across the globe will paint a clearer picture of how your users are experiencing your website and allow you to make crucial decisions that improve performance.

Pricing starts at $7/month and goes up to $499/month based on the number of SMS credits, team members, public dashboards, API checks, Browser checks, and other integrations.


  • CI/CD integration
  • Screenshot for every transaction
  • Tests are run from real browsers
  • No coding needed

10. Calibreapp [freemium: free trial available]

Pricing: $75 – $1500/month

web monitoring software list

Calibreapp helps you deliver stellar experiences to your users regardless of their location, platform, or connection speed by simulating real-world conditions. It allows you to understand the impact of third-party code on your systems, automate tests for performance, and get notified the second your users experience an issue.

Calibreapp provides powerful performance reporting that provides a clear overview of your entire system allowing you to stay on top of any issues that might occur. The automatic insights reports that are being sent out saves hours and hours of work that would be spent building traditional reports out of dashboards.

Pricing is standard and it’s based on the number of test profiles and the number of tests. It starts off at $75 a month for 5000 tests and 3 test profiles per site and goes up to 50000 tests and 50 test profiles per site for $1500. They do offer a 15-day free trial period where you can test drive all they have to offer.


  • Core Web Vitals support
  • Testing authenticated pages
  • Google Lighthouse built-in
  • Insights Email Report

11. Site24x7 [paid]

Pricing: $9 – $225/month

web application performance monitoring tools

Site24x7 provides a comprehensive and detailed alert every time your website or application fails to load a resource, has network connection issues, performance issues, Server CPU usage, timeouts, and many more.

Alongside other excellent tools, quick and very helpful support staff, and an alerting system that dispatches notifications either through email or SMS, Site24x7 is quickly becoming the go-to choice for resource monitoring.

Their real user monitoring product allows you to visualize how users interact with your website giving you an in-depth understanding of the real problems affecting their experience in real-time. You can also monitor and understand the different factors affecting their experience from browser, geography, isp, and platform.

Site24x7 supports numerous protocols such as HTTP, HTTPS, REST, DNS, TCP, POP, IMAP, SMTP, and FTP. They also have many integrations with popular third-party services like PagerDuty and Zapier for notifications. You’ll also get 120 monitoring locations with 1-minute interval checks.

One of the biggest draws of the product is its reasonable pricing plans that scale as your business scales but this can be somewhat offset by the somewhat outdated design that can feel convoluted at times. It’s worth mentioning that all their tiers have a 30-day free trial period that requires no credit card.


  • A mobile application is available
  • Easy and clean setup process
  • Support for almost all environments
  • Email, SMS, and Voice alerting options are available

Want to see how Sematext stacks up? Check out our page on Sematext vs Site24x7.

12. Uptime [paid]

Pricing: $79 – $449/month

best website monitoring service

Featuring SSL monitoring, 24/7 support, malware scanning, and a large number of third-party integrations, Uptime is a great website monitoring tool that focuses on reliability and ease of use.

Uptime monitors your website availability at one-minute intervals across 6 continents. If anything goes wrong you’ll be notified via either SMS, phone call, email, or any number of custom integrations that they support.

Uptime has a RUM tool that helps you deliver the best user experience by tracking users across different devices, locations, and connection types. The data collected will be displayed in easy-to-understand dashboards that will provide actionable data on how to fix the performance issues of your site.

While there is no free tier, Uptime does offer you a risk-free, 21-day trial across all their packages that should give you a taste of everything it has to offer.

While their basic package caters mostly to US customers, the more expensive ones do get multiple checks from worldwide locations and have a log history between 4 and 24 months depending on the tier.


  • Simple to use UI
  • Websites scanned with Google Safe Browsing & Yandex Safe Browsing.
  • Detailed Uptime Reports
  • Receive alerts via email, SMS, Twitter, web hooks, or push notifications.

13. Uptrends [paid]

Pricing: $16.21 – $54.04/month

web monitoring software review

With over 150 website monitoring locations around the globe, Uptrends checks your apps between 1 and 60 minutes intervals and offers a wide range of tools to ensure you are always at peak performance.

On top of their website monitoring, they also boast web performance monitoring, API monitoring, server monitoring, SSL certificate monitoring, as well as real user monitoring which includes features like third-party content monitoring, mobile website monitoring, waterfall reports, mobile website monitoring, and transaction screenshots.

While the basic plan lacks some of the more popular features like custom dashboards, maintenance modes, or multi-browser monitoring, Uptrends does offer the bare minimum to ensure their users can monitor their websites effectively. They also offer a number of free tools that are available to everyone. And since they lack a free tier, they offer a 30-day trial period for their users that requires no credit card and provides access to every feature available.

See Sematext vs. Uptrends to see how we stack up.


  • Clear, beautiful UI
  • Multi-step transaction monitoring
  • Real user monitoring solution
  • Over 150 global testing locations

14. Host-tracker [paid]

Pricing: $14 – $99/month

website monitoring service comparison

Simple by design, Host-tracker is intended for site admins that want to monitor their servers’ availability as well as the transactions between server and client. It mainly focuses on key metrics like page errors, database connection problems, and network issues.

The pricing schema is simple enough, composed of three separate tiers, each with its own unique set of features and capabilities. It’s worth mentioning that at first glance the price for their basic tier seems high compared to the other products mentioned here but I believe that the packed features of the more expensive tiers make up for this.

One thing Host-tracker is missing compared to the other options listed in this list is the ability to monitor real users. It’s not a big deal if what you are trying to do is focus on the server’s resources but for websites that deal with a lot of users like online publications or e-commerce stores, RUM is going to be crucial to providing the best experience possible for your users.

There’s no free tier but every signup comes with a free, no credit card required, a 30-day trial where you can test all the features of the product, risk-free.


  • The outdated design is made up for by a simple to understand dashboard
  • 60 test locations across the world
  • Email, SMS, Skype, Hangouts, and voice call notifications available

15. Smartbear [paid]

Pricing: Only by request

saas website monitoring tools

Smartbear is amongst the most comprehensive tools for large-scale enterprises that wish to monitor almost every aspect of their online presence. Besides keeping a very close eye on your web application through a wide variety of tools that range from run-of-the-mill uptime and alerting solutions to some innovative monitoring options, Smartbear also checks up on your mobile applications, API status, and database health.

Last but not least, Smartbear has an impressive 350 testing nodes around the world, which is at least double what most competitors have. Keep in mind that Smartbear does not have a real user monitoring product so if you are looking for that particular feature, you’ll have to look elsewhere.

While being one of the top dogs on the block when it comes to online monitoring, this comes with a hefty price. Prices for their packages are only available by contacting their sales team.


  • Lots of third-party integrations
  • An extensive list of resources and support material
  • Robust Reporting & Analytics

16. SolarWinds Web Performance Monitor [paid]

Pricing: Starts at $1170/year

best website performance monitoring for business

Solarwinds has been at the forefront of the monitoring space for years and in this time they’ve developed a large number of services to help their customers better understand what’s going on behind the curtains but that experience comes at a great(er) cost.

Web performance monitoring is just part of their impressive software ecosystem, and as it stands today, is one of the most complete solutions for DevOps in the world. While nobody can deny their experience or the value that their app brings to customers, the price tag can still be a tough pill to swallow, especially when you look at smaller competitors that charge a fraction of the price for, what it seems, a very similar product.

It’s important to note that while the list of features includes Endpoint detection and response, network device monitoring, and even a cool mobile app that helps you keep tabs on your web app anywhere in the world, Solarwinds does not have a RUM solution available. It’s worth noting that they do record every step of the transactions between the server and user which will provide some insight into their experience.

Their Web performance monitoring tool offers detailed load-time metrics from multiple locations across the world that record all browser-based transactions while providing key insights into what happens under the hood of your website.


  • Pre-configured alerts and dashboards that speed up the setup process.
  • Synthetic monitoring solutions
  • A neat mobile application is available for free

How to Choose the Best Website Performance Monitoring Tool?

The list could have gone on for quite some time but in an effort to save some of your precious time I made the list go up to only 10. This is not to say there aren’t any other tools out there, but I believe that the ones mentioned above are the best mix of features and price.

Now here comes the big question, how do you pick one? While there is no simple answer, there are a few key criteria you should be looking for.

URL Monitoring Frequency

A website monitoring service works by pinging your website every X minutes to make sure the site is up and all your resources load correctly. The smaller the X the better.

Unless you are using some third parties that have inconsistent performance that needs to be monitored constantly, 5 minutes is plenty enough.

Integrated server and log monitoring

While not every website monitoring service comes with server monitoring tools and log monitoring solutions, I believe it to be extremely important as CPU usage, memory utilization and disk space can directly impact the users’ experience on the website or application.

Keep this aspect in mind as it will help you identify the strengths and weaknesses of your website and perhaps be able to tackle issues before they become a big problem.

Synthetic and Real User Monitoring

For the best possible user experience, using a combination of both synthetic and real user monitoring is probably going to be the safest bet. While both methods have their own strong points, using just one of them will end up creating some blind spots when it comes to your user’s satisfaction.

It’s a common practice to have both of these features available from the same vendor but keep in mind this does not mean they all do. It’s really important to take some time to figure out the type of service you are going to offer and if you’ll end up needing an all-round monitoring solution, I’d strongly suggest looking at a vendor that can provide you with both. Having data from both synthetic and real user monitoring compiled in the same place will give you a better point of view and have you react to problems faster and more efficiently.

If you’re not sure what to choose, read our synthetic vs real user monitoring blog post where we explain the benefits of using both to ensure optimum performance. It should help you decide if you want a real user monitoring tool, a synthetic monitoring tool, or a 2-in-1 website performance monitoring solution such as Sematext Cloud which has them all.

Testing locations

Testing your website locally will result in a totally different experience than having it run in a country across the world. This is why having worldwide testing nodes is important when measuring website speed as it will let you figure out what parts of the website are slow to load, thus struggling to deliver the same top-tier experience to your global audience. If you’re curious to find out more about how locations affect your website performance, check out our blog posts where we discuss what is latency and how to reduce it to improve website performance.

Support for multiple browsers

If you ever had the “pleasure” of dealing with multiple websites you are probably familiar with the many incompatibilities between them. A script running smoothly on Safari might work differently or not at all on Internet Explorer or vice versa. Having tests for multiple browsers will let you know what the users experience while using your services.

Solid alerting capabilities

You’ll need to be able to set up alerts for different sections and functions throughout your website and if done correctly, they will act as an invaluable early warning system that will make sure you know exactly when things are about to go belly up. A lot of services fire false positives or have issues relaying the alert so using a service that allows you to set up alerts via multiple channels should be a priority.


Just like anything else out there, the price will have a big impact on your decision. While more features usually equal a bigger price, with website monitoring solutions big prices don’t necessarily equal more features.

It’s important to have a clear understanding of the needs of your website so that you can make the right decision before picking a service especially since some of them will only accept yearly contracts and the price tag can sometimes be around $2000.


At the end of the day, choosing a website performance monitoring tool is going to be based on your particular needs. There are more than enough options out there to choose from if I may be so bold as to make a suggestion, you should take the time to understand which metrics are important to your website and based on those, filter out the tools that allow you to carefully track and monitor them. We definitely recommend you take a look at the website uptime monitoring software we offer within Sematext Synthetics and its’ uptime monitoring. There’s a 14-day free trial for you to explore all its website monitoring capabilities. Try it and see for yourself!

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