Domain Arrivals
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Featured in Domain Arrivals · 2026-08-10

Frequency Test: A Browser Lab for Hearing and Hardware

frequencytest.org ↗ · Useful Tools · score 84.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

A browser-based toolkit for exploring hearing range, checking headphones and speakers, and generating precise tones from 20 Hz to 20 kHz.

Why it surfaced

Frequency Test separates three questions that are often muddled together: what you can hear, what your equipment reproduces, and what a tone generator can play. Its silent control trials, visible reliability score, low-volume defaults, and explicit warning that browser audio is not a calibrated audiogram make this a notably honest test utility.

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Ham Is Specifically Discouraged

August 10’s newborn domains include a mock cryptid council that specifically discourages ham, a vintage phone collecting messages for Twyla’s 70th, a 4.5-meter dish measuring Galactic hydrogen at 1420 MHz, and an open index that found 530 sites permitting GPTBot in robots.txt while refusing it at the server.

This is one of 1,000 discoveries in the 2026-08-10 Domain Arrivals issue.

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