Dev tools · alternatives · 2026
24 alternatives to Fast or Slow
Monitor website performance from 13 locations worldwide.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Fast or Slow launched in 2020; newer entries below may have overtaken it.
- 1
SEO Speed Test▲513Google & ChatGPT ignore slow pages, check if yours is fast!
2025 · seospeedtest.com · its alternatives →
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Speedometer 3.0▲131Benchmarking app performance on the modern web
2024 · github.com · its alternatives →
- 5
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
Google PageSpeed monitoring without registration
2023 · performance90.com · its alternatives →
- 7
- 8AW
2019 · webtest.app · its alternatives →
- 9
Compare how fast your website loads vs your competitors
2015 · comingsoon.markmonitor.com · its alternatives →
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Test your website load speed from 6 locations at once
2017 · its alternatives →
- 12
See how fast your internet connection is, now on mobile
2016 · apps.apple.com · its alternatives →
- 13
Test page speed and get recommendations to improve load time
2023 · debugbear.com · its alternatives →
- 14
Sitechecker▲303Toolkit to measure and track website SEO performance
2020 · sitechecker.pro · its alternatives →
- 15
The fastest sites on the web, see how yours stacks up
2024 · websiteleaderboard.com · its alternatives →
- 16
Measure performance of a page for mobile & desktop devices.
2015 · pagespeed.web.dev · its alternatives →
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Treo 2.0▲152Easy-to-use page speed monitoring tool with powerful reports
2019 · treo.sh · its alternatives →
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INDEXED.pro▲169Smart, fast, automatic website URL indexing for SEO
2023 · indexed.pro · its alternatives →
- 21
Monitor how fast your site is compared to your competitors
2015 · its alternatives →
- 22
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 →
- 23
The simplest, fastest, & cheapest way to monitor performance
2020 · requestmetrics.com · its alternatives →
- 24
SpeedMonitor▲10Automate your website's page speed testing for free!
2019 · speedmonitor.io · 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 →