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.
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SEO Speed Test▲516Google & ChatGPT ignore slow pages, check if yours is fast!
2025 · seospeedtest.com · its alternatives →
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- 8IB
2021 · ronaldlangeveld.com · its alternatives →
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Compare how fast your website loads vs your competitors
2015 · its alternatives →
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Test page speed and get recommendations to improve load time
2023 · its alternatives →
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The fastest sites on the web, see how yours stacks up
2024 · websiteleaderboard.com · its alternatives →
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Measure performance of a page for mobile & desktop devices.
2015 · its alternatives →
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Monitor how fast your site is compared to your competitors
2015 · its alternatives →
- 19AO
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 →
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The simplest, fastest, & cheapest way to monitor performance
2020 · 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 →