github.com
Speed Test is an open source project with code, documentation, and setup resources for network diagnostics.
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speed.cloudflare.com
Cloudflare speed test for checking download, upload, latency, jitter, and network quality.
fast.com
Fast.com is a simple internet speed testing tool. It estimates a user's download speed in seconds, with support for dozens of languages. The tool also offers optional metrics including upload speed, loaded and unloaded latency, and configurable parallel connection and test duration settings for more detailed network performance checks.
bufferbloat.libreqos.com
LibreQoS Test helps test internet speed, latency, and connection quality from a browser or command line.
github.com
Yet Another Speed Dial is an open source project with code, documentation, and setup resources for bookmarks and startpages.
dnsspeedtest.online
A free browser-based DNS speed test that benchmarks DNS-over-HTTPS servers from the user's location in real time. It sends live DoH queries locally without server-side code, times full round trips, and marks unresponsive servers as unavailable. Queries time out after five seconds, and results are intended for relative comparison between servers.
openspeedtest.com
OpenSpeedTest is a browser-based HTML5 internet speed test that measures download, upload, ping, and jitter without Flash or Java. It works on phones, TVs, consoles, and computers. A free and open-source self-hosted server can be deployed, and a speed test widget can be embedded on websites or apps.
github.com
cloudflare speed cli is a command-line tool for running internet speed tests and checking connection performance.
github.com
Global Speed is a web extension for setting a default speed for video and audio. It applies speeds automatically and allows URL rules for specific sites, and it is offered for Edge, Firefox, or Chrome.
css-speedrun.netlify.app
CSS Speedrun is a small web app for testing CSS knowledge. Users enter the CSS selector that applies to all elements marked with an arrow, and a timer starts after the first puzzle is solved correctly. It presents 10 puzzles, and users can view their results or check the GitHub repository to create their own puzzles.
tools.pingdom.com
Pingdom's free Website Speed Test analyzes a webpage's load time and identifies bottlenecks. A full page test breaks requests into stages such as DNS lookup, SSL handshake, connect, send, wait, receive and blocked, and flags redirects and 4xx or 5xx responses. Pingdom also offers uptime and performance monitoring from more than 70 global polling locations.
github.com
Waymore gathers links from the Wayback Machine, Common Crawl, Alien Vault OTX, URLScan, VirusTotal, GhostArchive and Intelligence X. It can also download archived responses for URLs on the Wayback Machine so those can be searched for more links, developer comments and extra parameters. The tool is intended for coverage rather than speed.
monkeytype.com
Monkeytype is a typing test website with a minimal design. It offers various test modes and features, and is described as customizable. The site lets users test themselves and track their progress to improve typing speed.
ping.pe
ping.pe helps test latency, packet loss, routing paths, and network reachability.
github.com
blog-template checks page speed, performance, technical issues, and web quality signals.
checkbot.io
Checkbot SEO checker checks page speed, performance, technical issues, and web quality signals.
debugbear.com
DebugBear checks page speed, performance, technical issues, and web quality signals.
github.com
enterprise-commerce checks page speed, performance, technical issues, and web quality signals.
github.com
gatsby-advanced-starter checks page speed, performance, technical issues, and web quality signals.
chrome.google.com
Google Lighthouse checks page speed, performance, technical issues, and web quality signals.
gtmetrix.com
GTmetrix checks page speed, performance, technical issues, and web quality signals.
github.com
lighthouse-check-action checks page speed, performance, technical issues, and web quality signals.
github.com
siteone-crawler checks page speed, performance, technical issues, and web quality signals.
speedvitals.com
SpeedVitals is a website speed testing tool that runs page speed tests from 30 or more locations and devices and measures Core Web Vitals. It also provides a TTFB test, batch analysis of up to 50 tests, performance monitoring with email and Slack alerts, and reports including waterfall charts and resource summaries. The site lists free tools such as an image compressor and an SEO analyzer.