Life & fun · alternatives · 2026

PerfAudit is a performance audit tool for caniuse.com, the browser compatibility reference site. It analyzes and evaluates how efficiently caniuse.com operates, identifying performance bottlenecks and optimization… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. PerfAudit – Performance audit of caniuse.com launched in 2015; newer entries below may have overtaken it.

1. 1
   PerfAudit▲9

   Performance Audit of most Popular Websites

   2015 · perfaudit.com · its alternatives →

2. 2
   UXAudit.Now▲311

   Audit, benchmark, optimize your UX with insights

   2025 · uxaudit.now · its alternatives →

3. 3
   WPAUDIT▲86

   Full-stack WordPress pentest tool for ethical hackers

   2025 · github.com · its alternatives →

4. 4
   Session Replay by Zarget▲338

   See how visitors view and use your site.

   2017 · its alternatives →

5. 5
   Site Audit by cognitiveSEO▲117

   Audit your site for improved SEO and conversions!

   2018 · cognitiveseo.com · its alternatives →

6. 6
   Site Auditor▲202

   Find, fix and optimize your site for search engines

   2016 · raventools.com · its alternatives →

7. 7
   Perfmonkey▲63

   Keep track of your website's rendering performance.

   2014 · its alternatives →

8. 8
   Falco – Open-Source Web Performance Monitoring▲119

   Falco helps you monitor, analyze, and optimize your websites. - theodo/falco

   2019 · github.com · its alternatives →

9. 9
   Perfio▲117

   Web vitals and performance monitoring

   2024 · its alternatives →

10. 10
    Perf Track▲87

    Analyze performance of sites that use JavaScript frameworks

    2020 · perf-track.web.app · its alternatives →

11. 11
    Perfole▲79

    Software performance tool

    2023 · its alternatives →

12. 12
    Auditzy▲148

    Analysing web & the pre-user journey

    2022 · auditzy.com · its alternatives →

13. 13
    Boostsite▲61

    Easy & intuitive on-site technical SEO audit tool

    2022 · boostsite.com · its alternatives →

14. 14
    PerfAgents Uncloud▲33

    Hello HN! We’re excited to share PerfAgents, a synthetic monitoring tool built for startups and enterprises seeking robust and proactive monitoring across global regions. TL;DR: PerfAgents is a synthetic monitoring platform that uses your existing E2E automation scripts (Playwright, Puppeteer, Cypress, and Selenium) for web app monitoring, reducing setup time by 80%. No complex integrations, no vendor lock-in, and proactive alerts that let you catch bugs before users do. Problem We’re Solving: Ensuring application reliability across all regions is tough, especially when existing monitoring…

    2024 · perfagents.com · its alternatives →

15. 15
    SerpMaze.com▲68

    Free SEO auditor & keyword tracker to increase your rankings

    2022 · serpmaze.com · its alternatives →

16. 16AT
    A tool that lets you visualize how people use your website in realtime▲69

    2014 · seeyourvisitors.com · its alternatives →

17. 17
    Perf-mon – Performance reports▲21

    2016 · github.com · its alternatives →

18. 18
    Web Auditor▲6

    Web performance analysis tool and AI powered recommendations

    2025 · webauditor.io · its alternatives →

19. 19
    GustyAudit▲5

    Find where your site is bleeding revenue.

    Dec 2025 · gustyaudit.com · its alternatives →

20. 20
    SiteAnalyzer▲11

    Comprehensive SEO analysis to boost your website performance

    2025 · site-analyzer.ru · its alternatives →

21. 21
    SiteAnalyzer▲12

    Website SEO Crawler for technical audit of the websites

    2019 · site-analyzer.pro · its alternatives →

22. 22
    Website Analyzer▲9

    Help your future customers outperfom their competition

    2025 · website-analyzer.app · its alternatives →

23. 23
    Hinderfri - free website audit▲7

    Performance and accessibility for everyone

    2025 · its alternatives →

24. 24
    SiteAnalyzer▲8

    Website seo crawler for scanning

    2025 · site-analyzer.pro · 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 →