Tessabyte vs SpeedQX

Experience the difference with Tessabyte — a powerful tool for measuring and analyzing network performance. This utility sends TCP and UDP data streams across your network and computes important metrics such as upstream and downstream throughput, packet loss, jitter, and round-trip time, and displays the results in both numeric and chart formats. Whether you're troubleshooting connectivity issues, validating upgrades, or optimizing your network, Tessabyte provides precise insights into its speed and reliability. Tessabyte uses a client-server setup to run tests, so a server component (which can be downloaded at https://www.netmantics.com) is highly recommended for local network testing. However, the application also offers access to public test servers. What can you do with Tessabyte? • Wi-Fi Speed Tests: Test wireless networks for throughput and reliability. • Network Capacity Tests: Assess the maximum data transfer rate that a network link can support. • Link Quality Analysis: Determine the quality of individual network links. • Stress Tests: Simulate high traffic loads and observe how the network behaves under congestion. • Quality of Service (QoS) Assessment: Evaluate how different traffic types are prioritized in the network. • Firmware and Hardware Updates Validation: Verify the impact of network device firmware or hardware upgrades. • LAN Bandwidth Tests: Don't take your local network speed for granted. Test, verify, and monitor. • Network Topology Planning: Understand how network design choices impact performance. • Comparative Benchmarking: Compare the performance of different network components or analyze how your network behaves at various times of the day. • Security Assessment: Evaluate the impact of security measures on network performance. • Load Balancing Verification: Test the effectiveness of load balancing in a network. • SLA Compliance Verification: Ensure that the network meets its Service Level Agreements. Why Tessabyte: • Accurate, real-time measurements • Reports in PDF and CSV formats • Customizable TCP and UDP traffic parameters • Support for both IPv4 and IPv6 • Cross-platform compatibility: an iOS/iPadOS client can "talk" to a macOS or Windows server, etc.

SpeedQX measures your internet speed with technician-grade accuracy and retro style. Run download, upload, ping, and jitter tests against Cloudflare's global edge network, M-Lab's NDT7 infrastructure, or both at once — with confidence-weighted averaging, outlier filtering, and percentile breakdowns you can trust. DUAL-PROVIDER TESTING Most speed test apps rely on a single server. SpeedQX tests against two independent providers — Cloudflare and M-Lab NDT7 — and merges results using methodology-appropriate weights (Cloudflare 60% for bandwidth, NDT7 60% for latency). When results diverge by more than 30%, SpeedQX flags it — which can indicate ISP throttling or network congestion. TECHNICIAN-GRADE ACCURACY A dedicated latency engine fires 100+ pings before your speed test even starts, with a warm-up phase discarded to eliminate DNS/TCP/TLS setup noise. Bandwidth measurements go through a three-stage accuracy pipeline: slow-start discard, IQR outlier filtering, and modified trimean computation. Jitter uses the industry-standard RFC 3550 algorithm — the same one used by Zoom, FaceTime, and VoIP systems. ADVANCED DIAGNOSTICS - Bufferbloat detection grades your router A through F by measuring latency spikes under load — the #1 hidden cause of "fast but laggy" connections - Connection stability shows whether your speed is rock-steady or swinging wildly - Cloudflare AIM scores rate your connection for streaming, gaming, and real-time video call readiness - Latency percentiles (P50, P95, P99) show your typical ping AND your worst-case spikes - Tap any metric card for a plain-English explanation and color-coded quality assessment DNS CONNECTIVITY DIAGNOSTICS SpeedQX probes 12 major domains in parallel — Google, Cloudflare, Apple, Microsoft, Amazon, Netflix, GitHub, Wikipedia, Facebook, X, YouTube, and Reddit — with detailed per-probe DNS/TCP/TLS/TTFB timing breakdowns. Results expand automatically when your test finishes. RETRO CASSETTE TAPE INTERFACE A fully animated cassette tape mechanism with spinning reels that respond to your live throughput. Frosted glass controls, CRT scanline overlays, and a speaker grill pattern make every test feel like pressing play on your favorite mixtape. Set in the Guton Sans Serif typeface for a clean, geometric look. CONFIGURABLE & TRANSPARENT - Choose your test provider: Cloudflare, M-Lab NDT7, or both - Set test duration: auto, 15s, 30s, 1min, 2min, 5min, or 10min - Pick your speed unit: auto-detect, Mbps, Kbps, or Gbps - Auto-copy formatted results to clipboard when complete - Read the full "How It Works" article explaining every measurement technique - M-Lab tests require explicit data policy consent — your privacy is respected WHAT YOU GET - Download speed - Upload speed - Ping latency with P50/P95/P99 percentile breakdown - RFC 3550 jitter - Packet loss (NDT7) - Bufferbloat grade (A-F) - Connection stability rating - AIM quality scores (streaming, gaming, video calls) - DNS reachability across 12 domains with timing breakdown