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Connection Quality

A copy-paste indicators component in pure HTML & CSS. Zero dependencies, framework-agnostic, MIT-licensed.

IndicatorsHTMLCSSany framework
Good42ms

Copy into your project

HTML
<div class="nuda-in2-connquality" data-quality="good" role="status" aria-label="Connection quality: Good, 42 milliseconds latency">
  <span class="nuda-in2-connquality__bars" aria-hidden="true">
    <i></i><i></i><i></i><i></i>
  </span>
  <span class="nuda-in2-connquality__word">Good</span>
  <span class="nuda-in2-connquality__ms">42ms</span>
</div>
CSS
.nuda-in2-connquality {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  background: #161616;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 99px;
  font-size: 11px;
}

.nuda-in2-connquality__bars {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
}

.nuda-in2-connquality__bars i {
  display: block;
  width: 3px;
  background: rgba(255,255,255,.16);
  border-radius: 1px;
  font-style: normal;
}

.nuda-in2-connquality__bars i:nth-child(1) {
  height: 35%;
}

.nuda-in2-connquality__bars i:nth-child(2) {
  height: 58%;
}

.nuda-in2-connquality__bars i:nth-child(3) {
  height: 80%;
}

.nuda-in2-connquality__bars i:nth-child(4) {
  height: 100%;
}

.nuda-in2-connquality__word {
  font-weight: 700;
}

.nuda-in2-connquality__ms {
  color: #777;
  font-variant-numeric: tabular-nums;
}

.nuda-in2-connquality[data-quality="good"] .nuda-in2-connquality__bars i {
  background: #6ee7b7;
  animation: _nuda-in2connquality-pulse 2.2s ease-in-out infinite;
}

.nuda-in2-connquality[data-quality="good"] .nuda-in2-connquality__word {
  color: #6ee7b7;
}

.nuda-in2-connquality[data-quality="poor"] .nuda-in2-connquality__bars i:nth-child(1) {
  background: #f87171;
}

.nuda-in2-connquality[data-quality="poor"] .nuda-in2-connquality__word {
  color: #f87171;
}

@keyframes _nuda-in2connquality-pulse {
  0%,100% {
    opacity: 1;
  }
  50% {
    opacity: .6;
  }
}

@media (prefers-reduced-motion:reduce) {
  .nuda-in2-connquality__bars i {
    animation: none !important;
  }
}

How to use Connection Quality

Paste the HTML where you need it and the CSS into a global stylesheet (or a <style> tag). Every class is prefixed nuda- so it never collides with Tailwind or your own styles. Tweak the CSS custom properties to match your design system.

Works in React, Vue, Svelte, Astro, Next.js, Nuxt, Laravel Blade, Django, Rails — or a single .html file. No npm install, no build step.

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