Dev tools · alternatives · 2026

24 alternatives to Website Upgrade Tester

Save Time. Digitally test your website upgrades & patches.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Website Upgrade Tester launched in 2019; newer entries below may have overtaken it.

1. 1
   Website Grader▲768

   Grade your website's strengths and weaknesses in seconds.

   2016 · website.grader.com · its alternatives →

2. 2
   Website Downloader▲539

   Download source code from any website

   2016 · websitedownloader.io · its alternatives →

3. 3
   Copytesting▲781

   Improve your website copy based on data from your audience

   2020 · wynter.com · its alternatives →

4. 4
   Passmarked▲275

   Simple, all-in-one test to check the quality of your website

   2018 · passmarked.com · its alternatives →

5. 5
   Visual Website Optimizer▲86

   A/B Testing tool (a brand new version)

   2014 · vwo.com · its alternatives →

6. 6
   Salespeak - Website AI Grader▲424

   Test your website’s AI compatibility today

   2025 · isyourwebsiteready.ai · its alternatives →

7. 7
   sitelifter▲350

   Optimize website pages faster with actionable insights.

   2025 · sitelifter.com · its alternatives →

8. 8
   The Landing Page Analyzer by Unbounce▲529

   A free tool that instantly grades your landing pages

   2017 · unbounce.com · its alternatives →

9. 9AW
   A website speed test tool to compare uBlock Origin with plain Chrome▲192

   2019 · webtest.app · its alternatives →

10. 10
    The New Website Grader▲238

    Grade your website in seconds. Then improve it for free.

    2020 · website.grader.com · its alternatives →

11. 11
    MVP Tester▲284

    Don't waste your time building the wrong idea

    2024 · its alternatives →

12. 12
    Image Speed Test▲218

    Analyze your website & make it faster.

    2020 · its alternatives →

13. 13
    Sitechecker▲303

    Toolkit to measure and track website SEO performance

    2020 · sitechecker.pro · its alternatives →

14. 14
    Preflight 2.0▲127

    Automated UI testing for your Websites & Web Apps

    2020 · preflight.com · its alternatives →

15. 15
    OnPage Champ▲107

    Webiste tracking and on-page SEO A/B testing tool

    2020 · its alternatives →

16. 16
    Website Performance Tester▲3

    Test your website performance.

    2024 · its alternatives →

17. 17
    Responsive Web Design Tester▲81

    Quick and easy way to test your responsive website

    2016 · lux88togel-up86.net · its alternatives →

18. 18
    Scanerr▲71

    Your site's primary care doctor.

    2023 · its alternatives →

19. 19
    Responsive Website Test▲133

    Test any website on desktop, mobile, and tablet

    2020 · usepastel.com · its alternatives →

20. 20
    On-Page SEO Checker▲81

    A tool for SEO analysis of website pages and finding errors

    2022 · pr-cy.io · its alternatives →

21. 21
    Free Website Uptime Checker▲9

    Is your website available worldwide? Let’s find out!

    2024 · odown.com · its alternatives →

22. 22
    Retest▲116

    Cross device website testing made simple.

    2019 · retest.app · its alternatives →

23. 23
    Proven by Users▲64

    Online UX testing & usability research tool suite

    2021 · provenbyusers.com · its alternatives →

24. 24
    Testomato▲32

    The Fastest Automated Website Testing Tool

    2014 · testomato.com · 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 →