Guides and advice

Download, upload, ping, jitter: learn what each value of a speed test means, what a good result looks like and how to find the cause of a slow connection.

Why does a 100 Mbps fibre download at 12 MB/s? Understand megabits vs megabytes and work out how long a file will take to download.

What are ping, latency and jitter? Normal values on fibre, ADSL and 4G, their impact on gaming and video calls, and how to improve them.

How many Mbps do you really need? Clear benchmarks by number of people, streaming, remote work and gaming, with a table of household profiles.

How many Mbps for Netflix in HD or 4K, YouTube, TikTok, a WhatsApp or Zoom call, or online gaming? Summary table and tips.

Video calls, remote work, cloud, cameras, live streaming: what upload speed is for, which values to aim for and why ADSL and 4G often limit it.

Fibre optic or ADSL? A clear comparison of speed, upload, ping and stability, and when to switch to fibre.

OLT, splitter, distribution point, wall socket, ONT: the path of the fibre signal to your home, explained by an FTTH technician, and what it means for your speed.

Why Speedtest by Ookla, Fast.com, Google's test, nPerf and SpeedFibre give different results, and how to get a reliable measurement of your speed.

How fibre installation works: technical visit, cable routing, optical socket (PTO), router, timing and what to check on installation day.

Fibre, cable, DSL, 5G home internet or satellite? Real-world speed, upload, ping and reliability compared, and how to choose for your home.

Do you really need 1 Gbps or more? Who benefits from gigabit and multi-gig internet, why devices rarely reach it, and how to test a fast plan correctly.

Slow connection? A step-by-step method to find the cause (Wi-Fi, router, device, line, peak hours) and fix it, with a speed test at each step.

Your fibre reaches full speed over Ethernet but not over Wi-Fi? The real limits of Wi-Fi, normal speeds by device and 8 practical fixes.

Is your ADSL slow? Filter, socket, extension, sync rate, interference: the checks that really gain speed, and when to switch to fibre.

Internet cutting out several times a day? Find out whether the cause is Wi-Fi, the router, the fibre or ADSL line, or the network, and what to do in each case.

Lag, high ping, jitter in games? 10 practical ways to reduce latency on PC, console and mobile: cable, QoS, servers, Wi-Fi and bufferbloat.

Red or blinking LOS light on your fibre router or ONT? What loss of optical signal means, the checks you can do yourself and when to call your provider.

Fast in the morning but slow at night? The causes: household use, neighbours' Wi-Fi, network or 4G cell congestion. A method to find out for sure.

Streaming buffers but speed tests look fine? Learn how to tell ISP throttling from congestion or Wi-Fi problems, with free tests and what to do next.

Slow Wi-Fi or dead zones? 10 practical tips to improve the range and speed of your Wi-Fi: placement, band, channel, updates, Mesh and cable.

2.4 GHz for range, 5 GHz for speed: differences, pros and cons, and the recommended settings to get your fibre speed over Wi-Fi.

Central, high up, obstacles to avoid: simple rules for placing your Wi-Fi router, with a room-by-room test method.

Areas without Wi-Fi? Comparing Wi-Fi extenders, Mesh systems, powerline adapters and wired access points: speed, simplicity, relative cost and use cases.

Wi-Fi 5, 6, 6E and 7: what really changes (speed, latency, many devices), when an upgrade is worth it and why your devices must be compatible.

Neighbours on your Wi-Fi? How to change the password, choose WPA2/WPA3, spot unknown devices and set up a guest network, step by step.

Step-by-step method to change the Wi-Fi name and password of your fibre, ADSL or 4G/5G router, through the router interface or the provider's app.

Which Ethernet cable do you need for 1 Gbps, 2.5 Gbps or 10 Gbps internet? Cable categories, maximum lengths and the 94 Mbps trap explained simply.

4G router, 5G router or fibre optic: comparing speed, stability, ping and installation, and when a mobile router is a good solution.

Slow 4G, 5G not showing, sluggish data? Network checks, phone settings, data allowance, location: 10 practical fixes and when to contact your provider.

How to run a reliable speed test on Android or iPhone, over Wi-Fi or 4G/5G, how much data it uses and how to read mobile results.

Why satellite internet used to have 600 ms ping and how low-orbit constellations changed it: real speeds, latency, weather, obstructions and testing tips.