Life & fun · alternatives · 2026

24 alternatives to Perfmonkey

Keep track of your website's rendering performance.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Perfmonkey launched in 2014; newer entries below may have overtaken it.

1. 1RT
   Real-time server monitoring in your browser▲346

   2014 · scoutapp.github.io · its alternatives →

2. 2AT
   A tool that lets you visualize how people use your website in realtime▲69

   2014 · seeyourvisitors.com · its alternatives →

3. 3
   Perf Track▲87

   Analyze performance of sites that use JavaScript frameworks

   2020 · its alternatives →

4. 4
   Sitechecker▲314

   Toolkit to measure and track website SEO performance

   2020 · its alternatives →

5. 5
   Seeflo▲137

   Watch recordings of how people are using your site.

   2015 · its alternatives →

6. 6
   Raileo▲97

   Monitor website performance, SEO and more

   2019 · its alternatives →

7. 7AO
   An open source performance monitoring tool▲135

   Hey HN. We’re Jay and Vadim from Highlight.io (https://highlight.io). We’re building an open source [1] monitoring platform for web applications. Today we’re excited to be sharing a performance tool we’ve been working on, which helps you inspect the latency of code execution from the client to the server. As engineers at past startups, we often had to debug slow queries, poor load times, inconsistent errors, etc... While tools like Jaegar [2] helped us inspect server-side performance, we had no way to tie user events to the traces we were inspecting. In other words, although we had…

   2024 · github.com · its alternatives →

8. 8
   PageVitals▲76

   Keeps your website fast, page speed monitoring and CrUX

   2023 · pagevitals.com · its alternatives →

9. 9OW
   Online web tools to get your work done faster▲118

   2018 · hreftools.com · its alternatives →

10. 10
    Speedometer▲70

    Browser benchmark for measures web app responsiveness

    2014 · its alternatives →

11. 11
    FullStory▲170

    See every click, swipe and scroll on your site.

    2014 · its alternatives →

12. 12
    Calibre▲64

    Comprehensive web performance monitoring

    2014 · its alternatives →

13. 13
    Visible▲126

    Performance insights for startups and their investors.

    2014 · its alternatives →

14. 14
    Loado▲160

    Performance monitoring for websites that you will love

    2023 · loado.dev · its alternatives →

15. 15
    Host Server Race Track▲72

    See how fast your site loads compared to competitors

    2016 · its alternatives →

16. 16
    Load Faster▲142

    Site optimization service to make your website damn faster!

    2015 · its alternatives →

17. 17AC
    A Chrome extension that tracks front-end JavaScript at runtime▲95

    2018 · github.com · its alternatives →

18. 18PM
    Perf-mon – Performance reports▲21

    2016 · github.com · its alternatives →

19. 19MH
    Monitor how fast your site is compared to competitors▲11

    2015 · ismysitefastenough.com · its alternatives →

20. 20
    Lamplighter▲61

    Monitor all your sites in one place.

    2014 · its alternatives →

21. 21MY
    Monitor your PHP application performance▲11

    2014 · qafoolabs.com · its alternatives →

22. 22VW
    Visualize Web Performance▲8

    2020 · lightest.app · its alternatives →

23. 23IM
    I made a Continuous Page Speed & Stability Monitoring tool▲9

    Hi Everyone, I've been working on FastMonitor.io solo for about a year now. FastMonitor monitors how fast your site is, and alerts you if it gets slower. Wanted to show it to you guys and get some feedback. Back Story: I built the basic tool kit for my previous startup - we were doing SEO and had very slow page speed across a wide variety of pages, so I ran lighthouse on an instance every day and put the results in the database and on a chart. This allowed us to chart our progress and celebrate when our pages got faster, or roll back / find the problem when things got slower. Feedback:…

    2024 · fastmonitor.io · its alternatives →

24. 24TY
    Test your website's responsiveness▲27

    2013 · mobilewebsim.jonahkatz.me · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →