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Sitespeed.io Alternatives

Sitespeed.io is described as 'open source tool that helps you analyse and optimise your website speed and performance, based on performance best practices' and is an app in the network & admin category. There are more than 10 alternatives to Sitespeed.io for Online / Web-based, SaaS, Self-Hosted solutions and Chrome OS. The best alternative is Pingdom. It's not free, so if you're looking for a free alternative, you could try GTmetrix or Pingdom Website Speed Test. Other great apps like Sitespeed.io are Request Metrics, OnlineOrNot, New Relic and Up Ninja.

Sitespeed.io alternatives are mainly Uptime Monitor Services but may also be Website Audit Tools or SEO Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Sitespeed.io.
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  • FreeOpen Source
  • Self-Hosted

Sitespeed.io is an open source tool that helps you analyse and optimise your website speed and performance, based on...

Learn more about Sitespeed.io

  1. Request Metrics icon

    Request Metrics

    Sponsored
    • Online
    • Software as a Service (SaaS)
    19 alternatives to Request Metrics 

    Get realtime website performance tests generated from real user experience on your website. Request Metrics gathers performance data from your actual users, rather than a synthetic test, so you know whether your site is really fast.

    See real-time performance metrics and Core Web Vitals from your website users. Get better, faster, and more accurate data than Google Lighthouse.
  2. Pingdom icon

    Pingdom

    218 alternatives to Pingdom 

    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.

     Suggest and vote on features
    Features
    1.  Website MonitoringPingdom can detect and resolve website performance issues proactively.
    Main Screen
    Test Results


  3. GTmetrix icon

    GTmetrix

    48 alternatives to GTmetrix 

    GTmetrix is a free tool that analyzes your page's speed performance. Using Page Speed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.

     Suggest and vote on features
    Features
    1.  Website MonitoringGTmetrix can detect and resolve website performance issues proactively.
    Screenshot
    Screenshot
  4. Pingdom Website Speed Test icon

    Pingdom Website Speed Test

    • FreeProprietary
    • Online
    43 alternatives to Pingdom Website Speed Test 

    Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.

     Suggest and vote on features
    Features
    1.  Website MonitoringPingdom Website Speed Test can detect and resolve website performance issues proactively.
    Screenshot
  5. Request Metrics icon

    Request Metrics

    • Online
    • Software as a Service (SaaS)
    19 alternatives to Request Metrics 

    Get realtime website performance tests generated from real user experience on your website. Request Metrics gathers performance data from your actual users, rather than a synthetic test, so you know whether your site is really fast.

    See real-time performance metrics and Core Web Vitals from your website users. Get better, faster, and more accurate data than Google Lighthouse.
    Quickly spot when traffic is spiking or when a third-party slows down with highlighted Interesting Activity.


  6. OnlineOrNot icon

    OnlineOrNot

    52 alternatives to OnlineOrNot 

    We alert you, before your customers do.

    OnlineOrNot monitors your websites, web apps, and APIs, letting you know instantly if anything goes wrong.

     Suggest and vote on features
    Features
    1.  Website MonitoringOnlineOrNot can detect and resolve website performance issues proactively.
    Making sure your websites, web apps, and APIs are still online doesn't have to mean using a tool that looks like it was built in the 90s.

Set-up is quick too, most folks have their uptime monitoring running within a minute.
    Your servers are responding, but is the data correct? 

Our powerful assertions feature helps you keep track of the data your API sends.
  7. New Relic icon

    New Relic

    • Online
    116 alternatives to New Relic 

    Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring.

    Synthetics screenshot (ping response)
  8. Up Ninja icon

    Up Ninja

    • Online
    • Software as a Service (SaaS)
    188 alternatives to Up Ninja 

    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.

    Screenshot
  9. wattspeed icon

    wattspeed

    • FreeProprietary
    • Software as a Service (SaaS)
    12 alternatives to wattspeed 

    A free and paid tool which analyzes both real user and synthetic data, Wattspeed will help you track your performance in time as well as giving you a glimpse about what you should do next.

     Suggest and vote on features
    Features
    Screenshot
  10. Silent Down icon

    Silent Down

    • Online
    • Software as a Service (SaaS)
    184 alternatives to Silent Down 

    Silent Down is a website uptime and performance monitoring platform, to keep an eye on your application and instantly alert you if any issues arrive.

     Suggest and vote on features
    Features
    1.  Website MonitoringSilent Down can detect and resolve website performance issues proactively.
    Screenshot
    Screenshot
Showing 10 of 22 alternatives
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