Dev tools · alternatives · 2026
24 alternatives to slowcalhost
Simulate slow connection so you can optimize sites for speed
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. slowcalhost launched in 2020; newer entries below may have overtaken it.
- 1TF
2019 · httpdebugger.com · its alternatives →
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A Few Facts About Us… Our company tries to ensure that all Mac users are able to get the best experience, and that is why we recommend our customers to use the apps and software that we recommend. We ourselves are Mac users that is why everything that we do and recommend is through experience.
2011 · slowyapp.com · its alternatives →
- 3
SEO Speed Test▲513Google & ChatGPT ignore slow pages, check if yours is fast!
2025 · seospeedtest.com · its alternatives →
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SpeedVitals▲829Hi HN, I’m Kashish, one of the co-founders of SpeedVitals, a platform for testing & monitoring website performance with a major emphasis on Core Web Vitals. Until now, our platform has only focused on Synthetic/Lab testing, such as Lighthouse tests and TTFB tests. But now, we have developed a Real-User Monitoring platform that doubles up as a Web Analytics tool. One major feature we have that most RUM tools lack is Performance Audits. Just like Lighthouse audits work on Lab test data, our audits work across all the real-user visits and gives suggestions on what task to prioritize first.…
2023 · speedvitals.com · its alternatives →
- 6
Download DelayWebpage for Firefox. Sets a small delay to certain websites to help you browse more mindfully.
2020 · addons.mozilla.org · its alternatives →
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Test your website load speed from 6 locations at once
2017 · its alternatives →
- 8
Slowy app▲67Simulate custom Internet connection speeds for testing
2014 · slowyapp.com · its alternatives →
- 9
Measure your ISP's performance in a click
2016 · chromewebstore.google.com · its alternatives →
- 10
1.1.1.1 + WARP▲315The free app that makes your Internet faster.
2019 · one.one.one.one · its alternatives →
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HomeSpeed▲84Discover the fastest internet available for your new place 🏠
2018 · chromewebstore.google.com · its alternatives →
- 13
See how fast your internet connection is, now on mobile
2016 · apps.apple.com · its alternatives →
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See how fast your site loads compared to competitors
2016 · hostingfacts.com · its alternatives →
- 16MY
2014 · eager.io · its alternatives →
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Fastr Pages - through less refreshes. Contribute to jajoosam/fastr development by creating an account on GitHub.
2018 · github.com · its alternatives →
- 19
Test page speed and get recommendations to improve load time
2023 · debugbear.com · its alternatives →
- 20
Quickly test site speed and view observed Lighthouse data
2022 · chromewebstore.google.com · its alternatives →
- 21
FasterChrome▲136Navigate the web faster by preloading pages on hovering
2019 · chromewebstore.google.com · its alternatives →
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- 23SU
2022 · npmjs.com · its alternatives →
- 24
Speedometer 3.0▲131Benchmarking app performance on the modern web
2024 · github.com · its alternatives →
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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 →