If you’ve ever noticed a slight delay when video calling, or felt like your online game was responding a second too late, you’ve experienced latency firsthand. It’s one of those things that quietly shapes your entire online experience, yet it often gets overshadowed by conversations about speed and data caps.
This article covers what latency actually is, what causes it, how it shows up in everyday internet use, how it compares to bandwidth, and what practical steps you can take to bring it down.
What Is Latency?
Latency refers to the time it takes for data to travel from one point to another on a network. It’s measured in milliseconds (ms) and represents the round-trip time a signal takes to leave your device, reach a server, and return with a response. The lower the number, the better your connection will feel in real-time use.
Think of it like sending a message and waiting for a reply. The time between sending and receiving that reply is your latency. In networking terms, this is often referred to as “ping,” and it’s a value you’ll frequently see displayed in online games or speed tests.
Internet latency is separate from download speed. A connection can transfer large amounts of data quickly but still have a noticeable delay before anything starts loading or responding. Both work together to shape your experience online, which is why looking at speed alone doesn’t tell the full story.
What Causes High Latency?
Several factors contribute to network latency, and not all of them are within your control. Physical distance plays a major role: the further your data has to travel to reach a server, the longer it takes. Connecting to a server on the other side of the world will always produce a higher ping than connecting to one located nearby.
Your connection type matters significantly too. Satellite internet is well known for high latency because signals have to travel to an orbiting satellite and back before anything loads. Fibre optic connections, by contrast, transmit data through light pulses along glass cables, making them far faster and more consistent when it comes to response times.
Network congestion also causes latency to spike. When many users share the same network infrastructure simultaneously, data packets queue up and take longer to get through. This is why your connection can feel sluggish during peak evening hours when more people in your area are online at the same time.
How Latency Affects Your Daily Internet Use
Internet latency has the most noticeable impact on real-time applications. Online gaming is one of the clearest examples: a delay of even 50 to 100 milliseconds can be the difference between a smooth session and a frustrating one. Gamers often call this “lag,” and it’s caused directly by a high ping between your device and the game’s servers.
Video calls and conferencing are similarly sensitive. When there’s a meaningful delay between what you say and when the other person hears it, conversations become difficult and awkward to follow. For remote work or family catch-ups, a stable, low-latency connection matters far more than raw download speed.
Streaming, browsing, and downloading large files are less affected by latency than real-time applications, but they’re not immune to it. Slow initial load times and buffering are often symptoms of high latency rather than low bandwidth. Knowing which one is causing the problem helps you troubleshoot far more effectively.
Latency vs Bandwidth: What’s the Difference?
Bandwidth and latency are frequently confused, but they describe two very different things. Bandwidth refers to the maximum amount of data your connection can transfer at once, similar to the width of a pipe. Latency refers to how long it takes for data to actually start moving through that pipe.
You can have high bandwidth and still experience high latency. A good example is a connection that downloads large files quickly but takes a noticeable moment to respond when you click a link or initiate a call. For most users, a healthy balance of both is what makes the internet feel genuinely fast.
A simple way to picture it: bandwidth is how many cars can travel on a motorway at once, while latency is how long it takes to get onto the motorway in the first place. Both affect your journey, but they do so in different ways.
How to Reduce Latency
One of the most straightforward ways to reduce latency is to use a wired connection where possible. Connecting your device directly to your router via an ethernet cable removes the additional delay that can come from signals travelling between your device and the router wirelessly.
Your choice of connection type also makes a significant difference. Fibre optic internet is one of the best options available precisely because data travels through the cables at close to the speed of light, with minimal interference or signal degradation along the way.
You can further reduce high latency by connecting to servers geographically closer to you, upgrading to a quality router, limiting the number of devices competing for bandwidth on your network, and keeping your router’s firmware up to date. Restarting your router periodically can also help maintain a consistently low ping over time.
In Conclusion
Latency is one of the most important but least discussed aspects of internet performance. It affects everything from gaming and video calls to how quickly a page responds when you click on it, and it’s shaped by factors like your connection type, the physical distance to servers, and how congested your local network infrastructure is. Understanding latency puts you in a much better position to identify what’s actually causing connection issues and what to do about them.
If reliable, low-latency internet is what you’re after, ON Fibre offers fibre and wireless solutions built with exactly that in mind. Our connections are designed to keep delays to a minimum so you can work, stream, play, and connect without the frustration of lag or slow response times. Reach out to our team today to find out which of our packages is the right fit for your home or business.
