[{"data":1,"prerenderedAt":93},["ShallowReactive",2],{"page-content:zh:home":3},{"home":4,"toolExplainer":91,"guide":91,"guideTitles":92,"legal":91},{"map":5,"banner":86,"eyebrow":90},{"A more reliable result":6,"How to Test Your Internet Speed":7,"A speed test is a snapshot of this device's connection to the selected test node. A few simple checks make that snapshot more useful.":8,"Pause heavy traffic":9,"Stop large downloads, cloud backups, and 4K streams on this device and, when possible, on other devices sharing the connection.":10,"Use the connection you want to check":11,"Stay on Wi-Fi to assess your current Wi-Fi experience. Use Ethernet to reduce wireless interference when checking the internet service itself.":12,"Run the test more than once":13,"Test at different times, including the busy evening period. One run can be affected by short-lived congestion or background activity.":14,"Compare like with like":15,"Use the same device, location, connection type, and node when comparing results. Record download, upload, ping, and jitter together.":16,"Read all four metrics":17,"Understanding Your Speed Test Results":18,"Download speed":19,"How quickly data reaches your device. It affects streaming, web browsing, app downloads, and receiving large files.":20,"Upload speed":21,"How quickly your device sends data. It matters for video calls, cloud backups, livestreaming, and sharing files.":22,"Ping":23,"The HTTP round-trip time between this browser and the test node. Lower latency generally makes interactive tasks feel more responsive.":24,"Jitter":25,"Variation between consecutive latency samples. Lower and steadier jitter is helpful for voice, video calls, and online play.":26,"Use matters more than one magic number":27,"What Is a Good Internet Speed?":28,"A good speed is one that supports every active device with some headroom. Service requirements vary by provider, video quality, household size, Wi-Fi conditions, and upload demand.":29,"Activity":30,"Practical starting point":31,"What else matters":32,"Browsing and email":33,"About 5–10 Mbps per active user":34,"Latency and page complexity":35,"HD video":36,"3–5 Mbps per stream":37,"Stable sustained download":38,"4K video":39,"15 Mbps or more per stream":40,"Provider and video quality":41,"HD video meetings":42,"About 2–4 Mbps up and down":43,"Upload, ping, jitter, and packet loss":44,"Online gaming":45,"Usually modest throughput":46,"Low latency, low jitter, and stability":47,"Multi-device home":48,"Add concurrent demand plus headroom":49,"Router capacity and Wi-Fi coverage":50,"Reference points include Netflix's current":51,"streaming recommendations":52,"and Zoom's":53,"meeting bandwidth requirements":54,". They are service-specific recommendations, not universal guarantees.":55,"Troubleshoot the path":56,"Why Is My Internet So Slow?":57,"Slow results can come from the internet service, local Wi-Fi, the router, the test device, congestion, or the remote service. Isolate one layer at a time.":58,"Compare Wi-Fi with Ethernet.":59,"A large difference points toward wireless coverage, interference, or router limits.":60,"Move closer to the router.":61,"Walls, distance, and crowded channels can reduce Wi-Fi throughput.":62,"Pause other traffic.":63,"Backups, updates, streaming, and other users share the same capacity.":64,"Restart and update equipment.":65,"Reboot the modem\u002Frouter and check whether its firmware and hardware support the subscribed tier.":66,"Test at several times.":67,"Repeatable evening slowdowns may indicate local or provider-side congestion.":68,"Go deeper":69,"Related Guides":70,"View all guides →":71,"Read the guide →":72,"Common questions":73,"Frequently Asked Questions":74,"Why is my speed test result lower than my internet plan?":75,"Plans are often advertised as “up to” a rate. Wi-Fi conditions, shared traffic, device limits, protocol overhead, congestion, and the route to the test node can all reduce a browser result.":76,"Does this test measure my Wi-Fi signal strength?":77,"No. It measures internet throughput and HTTP latency over whichever connection the device is using. Browsers do not expose router radio strength or channel quality to this page.":78,"Is the ping result an ICMP ping?":79,"No. SpeedTestLab measures HTTP round-trip time to its test endpoint after a warmup request. System ICMP tools can produce different results.":80,"How often should I run a speed test?":81,"Run several tests when investigating a problem: at different times, on Wi-Fi and Ethernet if available, and before and after changing equipment or settings.":82,"Why is my internet so slow?":57,"What is a good internet speed?":83,"Download speed vs. upload speed":84,"How to lower ping":85},"更可靠的测试结果","如何测试您的网速","网速测试是对当前设备与所选测试节点之间连接状态的一次“快照”。通过几个简单的检查步骤，可以让这份“快照”更具参考价值。","暂停高带宽占用活动","在当前设备上（以及在共享同一网络连接的其他设备上，如果条件允许）暂停大文件下载、云备份和 4K 视频流播放。","使用您想要检测的网络连接","若要评估当前的 Wi-Fi 使用体验，请保持连接 Wi-Fi；若要检测互联网服务本身的性能，建议使用以太网（有线连接）以减少无线干扰。","进行多次测试","在不同时段进行测试，包括网络使用高峰期（如傍晚）。单次测试可能会受到短时网络拥堵或后台活动的影响。","确保对比条件一致","在对比测试结果时，应确保使用相同的设备、位置、连接方式和测试节点。同时记录下载速度、上传速度、Ping 值和抖动（Jitter）数据。","查看全部四项指标","解读您的网速测试结果","下载速度","指数据传输至您设备的速度。它会影响视频流播放、网页浏览、应用下载以及接收大文件等操作。","上传速度","指您的设备发送数据的速度。它对于视频通话、云备份、直播以及共享文件等操作至关重要。","Ping 值","指当前浏览器与测试节点之间的 HTTP 往返时间（延迟）。延迟越低，交互式操作的响应通常就越迅速。","抖动 (Jitter)","指连续延迟样本之间的波动。抖动越低、越稳定，对于语音通话、视频通话和在线游戏就越有利。","实际使用情况比单一的“神奇数字”更重要","什么样的网速才算好？","理想的网速应能满足所有正在使用的设备，并留有一定的余量。具体需求取决于服务提供商、视频画质、家庭成员人数、Wi-Fi 环境以及上传需求等因素。","活动类型","实用的参考起点","其他重要因素","网页浏览与电子邮件","每位活跃用户约需 5–10 Mbps","延迟与页面复杂程度","高清 (HD) 视频","每个视频流约需 3–5 Mbps","稳定且持续的下载速度","4K 视频","每个视频流需 15 Mbps 或以上","服务提供商与视频质量","高清视频会议","上行和下行均需约 2–4 Mbps","上传速度、延迟 (Ping)、抖动与丢包率","在线游戏","通常对带宽（吞吐量）要求不高","需要低延迟、低抖动及高稳定性","多设备家庭环境","需考虑并发需求及预留一定的带宽余量","路由器性能与 Wi-Fi 覆盖范围","参考依据包括 Netflix 目前的","流媒体播放建议","以及 Zoom 的","会议带宽要求","。这些仅针对特定服务，而非通用的性能保证。","排查网络链路问题","为什么我的网速这么慢？","网速缓慢可能源于互联网服务、本地 Wi-Fi、路由器、测试设备、网络拥堵或远程服务。请逐一排查各个环节。","对比 Wi-Fi 连接与以太网（有线）连接。","如果两者差异显著，则问题可能出在无线覆盖范围、信号干扰或路由器性能限制上。","尝试靠近路由器。","墙壁阻隔、距离过远以及信道拥挤都可能导致 Wi-Fi 吞吐量下降。","暂停其他网络活动。","数据备份、系统更新、流媒体播放以及其他用户的使用行为，都会占用相同的网络带宽。","重启并更新设备。","重启调制解调器\u002F路由器，并确认其固件和硬件规格是否支持您所订购的网络套餐。","在不同时间段进行多次测试。","如果网速在晚间反复变慢，可能说明本地网络或服务提供商端出现了拥堵。","深入了解","相关指南","查看所有指南 →","阅读指南 →","常见问题","常见问题解答","为什么我的测速结果低于所订购的网络套餐速度？","网络套餐在宣传时，往往会标注“最高可达”某项速率。Wi-Fi 状况、流量共享、设备限制、协议开销、网络拥塞以及通往测试节点的路由路径，都可能导致浏览器测出的结果偏低。","此测试会测量我的 Wi-Fi 信号强度吗？","不会。它测量的是设备当前所用连接方式下的互联网吞吐量和 HTTP 延迟。浏览器无法向本页面提供路由器无线信号强度或信道质量等信息。","这里的 Ping 测试结果是指 ICMP Ping 吗？","不是。SpeedTestLab 在进行预热请求后，会测量到测试终端节点的 HTTP 往返时间。系统自带的 ICMP 工具可能会得出不同的结果。","我应该多久进行一次网速测试？","在排查网络问题时，建议进行多次测试：例如在不同时间段测试；若条件允许，分别在 Wi-Fi 和以太网（有线）连接下测试；以及在更换设备或调整设置前后进行对比测试。","什么样的网速才算理想？","下载速度与上传速度","如何降低 Ping 值（延迟）",{"title":87,"description":88,"link":89},"了解您的网速","了解测试结果的含义、何为理想网速，以及如何改善您的网络连接。","查看指南 →","SpeedTestLab 网络工具",null,[],1793775154839]