Latency Test

The VPN Speed Test Guide: Scientific Methodology, Key Metrics, and Interpreting Results

This article provides a scientific methodology for VPN speed testing, explains the meaning of key metrics such as download speed, upload speed, latency, and jitter, and guides users on how to correctly interpret test results to choose the VPN service that best fits their needs.

Quantitative Analysis of VPN Service Quality: Interpreting Key Metrics from Latency and Packet Loss to Throughput

This article provides an in-depth analysis of the three core quantitative metrics for evaluating VPN service quality: latency, packet loss rate, and throughput. By examining the technical principles, influencing factors, and measurement methods of these metrics, it empowers users to objectively quantify VPN performance beyond marketing claims and select the most reliable service tailored to their specific network requirements.

How to Evaluate Node Quality: Speed Metrics, Stability, and Privacy Risks

This article details the three core dimensions for evaluating the quality of network nodes (such as VPN or proxy servers): speed metrics (latency, bandwidth, jitter), long-term stability (uptime, packet loss), and potential privacy and security risks (logging policy, encryption strength, jurisdiction). It provides systematic testing methods and key metric interpretation to help users select reliable, efficient, and secure nodes.