Sitespeed.io is an open source tool that helps you analyse and optimise your website speed and performance, based on performance best practices.
Pingdom Alternatives
Pingdom is described as 'Monitors uptime, downtime, and website performance in real time using synthetic and real user data, with instant alerts, customizable reports, and analytics' and is a popular Uptime Monitor service in the network & admin category. There are more than 100 alternatives to Pingdom, not only websites but also apps for a variety of platforms, including SaaS, Windows, Linux and Self-Hosted apps. The best Pingdom alternative is Better Stack. It's not free, so if you're looking for a free alternative, you could try Better Stack or Web Check. Other great sites and apps similar to Pingdom are UptimeRobot, Tianji, StatusCake and Google Lighthouse.
Alternatives list

SiteGuru is an SEO platform that helps you improve rankings with clear priorities, real data, and AI-powered insights.
The website monitoring service that doesn't suck. Get an email when your website goes down. Statuses are available by email, web, RSS feeds and widgets.
SiteVitals is a SaaS platform that monitors website health, uptime, SEO, security, and performance - alerting you when something needs attention.
Cost / License
- Paid
- Proprietary
Platforms
- Online


+9
Monitoring the availability of websites or servers and controlling performance and response time. Receiving alerts when a test result is negative. Discovery offer for monitoring a website for free.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Software as a Service (SaaS)


+3
Host Mon allows you to monitor up to 5 hosts completely free. Host Mon even sends offline and recovery emails for all monitored hosts and websites. There are embeddable uptime widgets you can use on existing websites as well.
This is a Website for monitoring the Status of companies on the web. We have an internet service Up/Down Check and Global Map reporting.


ServersUp.net can check a number of different services on different hosts to make sure those services are up and running. It will send alerts when the statuses change.
Website and server monitoring with alerting via e-mail, SMS and phone calls. Has a dashboard to easily monitor 100 or more services at a time by sorting them depending on the amount of attention they need.


Cost / License
- Paid
- Open Source (Apache-2.0)
Application types
Platforms
- Self-Hosted
- Software as a Service (SaaS)



Downdetector monitors over 3,000 services in 25 countries including telecommunication outages (internet, phone and TV service), online banking problems, websites that go down and apps that aren’t working.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad


+7

































