MachMetrics is described as 'continually monitors the speed of your website. So you know exactly how your pages are performing throughout the day, around the world, and on various devices'. There are more than 25 alternatives to MachMetrics, not only websites but also apps for a variety of platforms, including SaaS, Firefox, Mac and Windows. The best alternative is Pingdom. It's not free, so if you're looking for a free alternative, you could try PageSpeed Insights or GTmetrix. Other great sites and apps similar to MachMetrics are WebPagetest (Free, Open Source), New Relic (Freemium), Pingdom Website Speed Test (Free) and Request Metrics (Paid).
Pingdom web site monitoring and other infrastructure for you and instantly let you know when anything goes wrong. Measure uptime, downtime, and the performance of your website as experienced by visitors.
Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring. Free accounts can ping a website every 1 minute, from multiple locations around the globe, and send email alerts.
Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster. Nobody Likes a Slow Website We built this Website Speed Test to help you analyze your website load speed.
Monitor uptime,response timeandapdex indexes of your website or api for free and receive instant updates through e-mail or Slack with real time announcements. Don't leave your customers in the dark during downtime & outages of your website.
Wattspeed is a free tool that generates snapshots - historical captures of your web pages that include Lighthouse scores, a list of technologies, W3C HTML validator results, DOM size, mixed content info, and more.