> ## Documentation Index
> Fetch the complete documentation index at: https://site.aspect.build/llms.txt
> Use this file to discover all available pages before exploring further.

# Bazel Ecosystem Usage Statistics - Aspect Build

> Live adoption data from Aspect's open-source Bazel rulesets: which Bazel versions teams run and how Bazel Central Registry dependency versions trend over time.

export const MarketingPage = () => <div className="marketing-page-marker" style={{
  display: "none"
}} />;

export const SectionHeader = ({title, subtitle, centered = true, label}) => <div className={`mb-12 ${centered ? "text-center" : ""}`}>
    {label && <p className="text-xs font-semibold tracking-widest text-blue-600 dark:text-blue-400 uppercase mb-3">
        {label}
      </p>}
    <h2 className="text-4xl md:text-5xl font-semibold text-zinc-900 dark:text-white tracking-tight">{title}</h2>
    {subtitle && <div className={`subtitle-gap text-lg md:text-xl text-zinc-500 dark:text-zinc-300 leading-relaxed ${centered ? "mx-auto" : ""}`} style={{
  marginTop: "1rem",
  maxWidth: centered ? "700px" : "none"
}}>
        {subtitle}
      </div>}
  </div>;

export const Section = ({children, className = "", gray = false, dark = false, id}) => <section id={id} className={`w-full flex justify-center px-4 py-16 md:py-24 ${gray ? "bg-gray-50 dark:bg-zinc-900" : dark ? "bg-zinc-900 dark:bg-zinc-950" : ""} ${className}`}>
    <div className="w-full" style={{
  maxWidth: "1140px"
}}>
      {children}
    </div>
  </section>;

export const Hero = ({title, subtitle, badge, eyebrow, heroImageClassName = "", primaryCta, primaryHref = "#", secondaryCta, secondaryHref = "#", centered = true, children}) => <section className="w-full flex justify-center px-4 pt-16 pb-16 md:pt-24 md:pb-24" style={{
  background: "linear-gradient(180deg, var(--hero-gradient-start, #f8fafc) 0%, var(--hero-gradient-end, #ffffff) 100%)"
}}>
    <div className="w-full" style={{
  maxWidth: "1140px"
}}>
      {centered && !children ? <div className="flex flex-col items-center text-center">
          {badge && <div className="inline-flex items-center gap-2 px-4 py-1.5 rounded-full bg-blue-50 dark:bg-blue-900/30 border border-blue-200 dark:border-blue-700 text-blue-700 dark:text-blue-300 text-sm font-medium mb-6">
              {badge}
            </div>}
          {eyebrow && <div className="text-xs font-semibold tracking-widest uppercase text-blue-600 dark:text-blue-400 mb-4">
              {eyebrow}
            </div>}
          <h1 className="text-4xl md:text-5xl font-semibold text-zinc-900 dark:text-white leading-tight tracking-tight" style={{
  maxWidth: "820px"
}}>
            {String(title).split(/\\n|\n/).map((line, i) => i ? [<br key={i} />, line] : line)}
          </h1>
          {subtitle && <div className="subtitle-gap text-lg md:text-xl text-zinc-500 dark:text-zinc-300 leading-relaxed" style={{
  marginTop: "1rem",
  maxWidth: "600px"
}}>
              {subtitle}
            </div>}
          <div className="flex flex-wrap gap-3 mt-10 justify-center">
            {primaryCta && <a href={primaryHref} className="inline-flex items-center px-6 py-3 rounded-lg bg-blue-600 text-white font-semibold hover:bg-blue-700 transition shadow-sm">
                {primaryCta}
              </a>}
            {secondaryCta && <a href={secondaryHref} className={`inline-flex items-center px-6 py-3 rounded-lg border border-zinc-300 dark:border-zinc-600 text-zinc-700 dark:text-zinc-200 font-semibold hover:bg-zinc-50 dark:hover:bg-zinc-800 transition ${secondaryHref === "/request-demo" ? "demo-gradient-btn" : ""}`}>
                {secondaryCta}
              </a>}
          </div>
        </div> : <div className="flex flex-col md:flex-row items-center gap-10 md:gap-16">
          <div className="flex-1 min-w-0">
            {badge && <div className="inline-flex items-center gap-2 px-4 py-1.5 rounded-full bg-blue-50 dark:bg-blue-900/30 border border-blue-200 dark:border-blue-700 text-blue-700 dark:text-blue-300 text-sm font-medium mb-6">
                {badge}
              </div>}
            {eyebrow && <div className="text-xs font-semibold tracking-widest uppercase text-blue-600 dark:text-blue-400 mb-4">
                {eyebrow}
              </div>}
            <h1 className="text-4xl md:text-5xl font-semibold text-zinc-900 dark:text-white leading-tight tracking-tight">
            {String(title).split(/\\n|\n/).map((line, i) => i ? [<br key={i} />, line] : line)}
          </h1>
            {subtitle && <div className="subtitle-gap text-lg md:text-xl text-zinc-500 dark:text-zinc-300 leading-relaxed" style={{
  marginTop: "1rem"
}}>
                {subtitle}
              </div>}
            <div className="flex flex-wrap gap-3 mt-8">
              {primaryCta && <a href={primaryHref} className="inline-flex items-center px-6 py-3 rounded-lg bg-blue-600 text-white font-semibold hover:bg-blue-700 transition shadow-sm">
                  {primaryCta}
                </a>}
              {secondaryCta && <a href={secondaryHref} className={`inline-flex items-center px-6 py-3 rounded-lg border border-zinc-300 dark:border-zinc-600 text-zinc-700 dark:text-zinc-200 font-semibold hover:bg-zinc-50 dark:hover:bg-zinc-800 transition ${secondaryHref === "/request-demo" ? "demo-gradient-btn" : ""}`}>
                  {secondaryCta}
                </a>}
            </div>
          </div>
          {children && <div className={`flex-1 min-w-0 hero-image ${heroImageClassName}`}>
              {children}
            </div>}
        </div>}
    </div>
  </section>;

<MarketingPage />

<Hero title="Bazel Ecosystem Usage Statistics" eyebrow="Open source" subtitle="Live adoption data aggregated daily from the fleet of repositories using Aspect's open-source rulesets." centered />

<Section id="bazel-versions">
  <SectionHeader label="Bazel versions" title="Bazel Version Adoption" subtitle="Which Bazel releases builds run on each day, across repositories using Aspect rulesets." />

  <div className="telemetry-controls">
    <div className="telemetry-filter-bar" role="radiogroup" aria-label="Build type">
      <label>
        <input type="radio" name="bazel-ci" value="all" defaultChecked />

        <span>All builds</span>
      </label>

      <label>
        <input type="radio" name="bazel-ci" value="ci" />

        <span>CI builds</span>
      </label>

      <label>
        <input type="radio" name="bazel-ci" value="non_ci" />

        <span>Non-CI builds</span>
      </label>
    </div>
  </div>

  <div id="bazel-versions-chart" className="telemetry-chart" />

  <p id="bazel-versions-status" className="telemetry-status">Loading data…</p>
</Section>

<Section gray id="dep-versions">
  <SectionHeader label="Dependencies" title="Dependency Version Adoption" subtitle="Pick any module from the Bazel Central Registry to see how its version adoption trends over time." />

  <div className="telemetry-controls">
    <input id="dep-input" list="dep-list" placeholder="Type to search dependencies…" autoComplete="off" className="telemetry-dep-input" aria-label="Dependency" />

    <datalist id="dep-list" />

    <div className="telemetry-filter-bar" role="radiogroup" aria-label="Build type">
      <label>
        <input type="radio" name="dep-ci" value="all" defaultChecked />

        <span>All builds</span>
      </label>

      <label>
        <input type="radio" name="dep-ci" value="ci" />

        <span>CI builds</span>
      </label>

      <label>
        <input type="radio" name="dep-ci" value="non_ci" />

        <span>Non-CI builds</span>
      </label>
    </div>
  </div>

  <div id="dep-versions-chart" className="telemetry-chart" />

  <p id="dep-versions-status" className="telemetry-status" aria-live="polite">Loading data…</p>

  <p className="mt-10 text-center text-sm text-zinc-500">
    Usage data is collected through{" "}
    <a href="https://github.com/aspect-build/tools_telemetry" target="_blank" rel="noopener noreferrer" className="text-blue-600 font-semibold hover:underline">tools\_telemetry</a>,
    governed by the <a href="/privacy-policy" className="text-blue-600 font-semibold hover:underline">Aspect Privacy Policy</a>,
    and regenerated daily. Last generated: <span id="telemetry-generated-at">—</span>.
  </p>
</Section>