- Test and identify high latency by using tools like ping, traceroute, or online speed tests to measure and pinpoint issues for a clearer understanding of the problem.
- Reduce latency by restarting your router, upgrading equipment, using wired connections, and managing background applications.
High latency can be a frustrating problem. It slows down your internet, causes lag in online games, and can even make video calls unstable. Fortunately, there are ways to identify and reduce it. Let’s dive into how to test latency on your network and the practical steps to minimise it.
What is network latency?
Network latency refers to the delay between sending a request and getting a response. Lower latency means faster communication. Higher latency means slower performance, which affects your browsing, gaming, and streaming experience. Typically, latency is measured in milliseconds (ms). Lower numbers are better – anything under 50 ms is great, while anything over 150 ms could be a problem.
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How to test network latency
Testing latency is easy. You can do this by using built-in tools or online services:
Ping Command: Open Command Prompt (Windows) or Terminal (Mac/Linux). Type ping followed by a website address, like ping google.com. This command shows the time taken for data packets to travel to the website and back. The lower the ms value, the better.
Traceroute Command: Use tracert (Windows) or traceroute (Mac/Linux) to see the path data takes to its destination. It also shows where the delay might be happening, which is useful for pinpointing issues.
Online Speed Tests: Websites like Speedtest provide latency (ping) measurements along with your download and upload speeds. Simply go to the site and run the test.
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Common causes of high latency
High latency can occur due to several reasons. Network congestion, caused by too many users, can slow down performance. Hardware issues, such as outdated routers or cables, often lead to delays. Distance also plays a role, as the further data travels, the longer it takes. Sometimes, the problem lies with the internet service provider. Additionally, background applications consuming bandwidth can significantly increase latency.
How to reduce latency
Once you know there is high latency, you can try these methods to reduce it:
Restart Your Router: It sounds simple, but rebooting your router often clears temporary issues. This can improve latency.
Upgrade Your Equipment: Use a modern router and high-quality cables. Older devices may not handle high-speed connections effectively, leading to lag.
Use a Wired Connection: Wi-Fi is convenient but can add latency. If possible, use an Ethernet cable to connect directly to your router. Wired connections are faster and more stable.
Close Background Applications: Shut down applications or devices that are hogging bandwidth. Streaming services or large downloads can increase latency for other activities.
Check for Firmware Updates: Keeping your router’s firmware updated can fix bugs and improve performance.
Contact Your ISP: If you have tried everything and latency is still high, your ISP may be the problem. Contact them to see if there are service issues or options for a better plan.
Use Quality of Service (QoS) Settings: Some routers have QoS settings, which let you prioritise traffic. For example, you can prioritise online gaming or video calls to reduce lag during these activities.
Understanding high latency
High latency can make your internet experience frustrating, but there are many ways to test and reduce it. Start with simple solutions like restarting your router, upgrading hardware, or switching to a wired connection. If all else fails, contact your ISP for support. Reducing latency helps create a smoother, more responsive network, making online activities more enjoyable.
