Global Network Performance Testing

async function globalPerformanceTest(target) {
  const headers = { 'Authorization': 'Bearer YOUR_API_KEY' };

  const [ping, traceroute, responseTime, cdn] = await Promise.all([
    fetch(`https://api.edgedns.dev/v1/network/ping?host=${target}`, { headers }),
    fetch(`https://api.edgedns.dev/v1/network/traceroute?host=${target}`, { headers }),
    fetch(`https://api.edgedns.dev/v1/domain/response-time?domain=${target}`, { headers }),
    fetch(`https://api.edgedns.dev/v1/domain/cdn?domain=${target}`, { headers }),
  ].map(p => p.then(r => r.json())));

  // Analyze regional latency from ping results
  const regions = ping.data.results;
  const avgLatencies = regions.map(r => ({
    region: r.probe_zone,
    avgMs: r.latency_ms,
    packetLoss: r.packet_loss_pct
  }));

  // Find performance outliers (>2x global average)
  const globalAvg = avgLatencies.reduce((sum, r) => sum + r.avgMs, 0) / avgLatencies.length;
  const outliers = avgLatencies.filter(r => r.avgMs > globalAvg * 2 || r.packetLoss > 5);

  return {
    target,
    cdn: cdn.data.provider,
    globalAvgLatency: Math.round(globalAvg) + 'ms',
    httpResponseTime: responseTime.data.total_ms + 'ms',
    regionCount: regions.length,
    bestRegion: avgLatencies.sort((a, b) => a.avgMs - b.avgMs)[0],
    worstRegion: avgLatencies.sort((a, b) => b.avgMs - a.avgMs)[0],
    outliers,
    hasIssues: outliers.length > 0
  };
}