How to build a room-by-room Wi-Fi quality map

Wi-Fi may work well beside the router but struggle in a bedroom, office, or upstairs room. A room-by-room map helps you see where the connection gets less reliable, instead of guessing from the number of Wi-Fi bars.

Use the Wi-Fi Map to measure connection quality in each room. It checks response time, jitter, and lost requests, so you can compare how the connection behaves in different places.

Build your Wi-Fi map

1. Open the Wi-Fi Map on a laptop, tablet, or phone connected to your home Wi-Fi. Keep using the same device for every measurement so the comparison is consistent.
2. Start in a room where Wi-Fi usually feels reliable. Follow the tool's on-screen controls to measure that room. This gives you a reference for comparing the other results.
3. Move to each room you want to check. Measure from the spot where you normally use Wi-Fi, such as your desk or couch, rather than only measuring near the doorway.
4. Keep the device at about the same height and orientation for each measurement. Avoid walking around while a measurement is running, and don't hold the device right beside the router or a large metal object.
5. Review the room results together. If you want to compare later, write down the room, the approximate spot, the time, and any response time, jitter, or lost-request result the tool shows.

Test the same rooms again if the results look surprising. A single measurement can catch a brief burst of interference or network activity, so repeating it helps you tell a lasting weak spot from a temporary slowdown.

What the results mean

Most rooms have similar results

The connection is behaving consistently in the places you checked. That does not guarantee that every app will load equally quickly, but it suggests there is no obvious room-specific drop in connection quality during the measurements.

One room has higher response time or jitter

Response time is how long a request takes to get a reply. Jitter is how much that delay varies between requests. Higher or more variable results in one room can make calls, games, and remote work feel less responsive, even if web pages still load.

There are lost requests or dropouts

Some test requests did not get a reply. If that keeps happening in the same room, the connection there may be unreliable. Repeat the measurement, then check whether moving closer to the router improves it.

Results are poor in every room

A problem across the whole home may not be caused by distance from the router. The router, internet service, or congestion on the network could be involved. Check whether the connection improves at a different time, and compare it with a wired connection if one is available.

The results change a lot between runs

Other people or devices may be using the network, or there may be temporary interference. Repeat the map when the network is quieter. If the changes happen even when nobody else is using Wi-Fi, restart the router and test again.

Improve weak spots

1. Confirm the device is on your home network. On Windows 11, open Settings › Network & internet › Wi-Fi and check the connected network. On macOS, open System Settings › Wi-Fi. If your router has separate network names, use the same one in every room for a fair comparison.
2. Move the router to a more open spot. Place it near the center of the area you want to cover, raised off the floor and away from cabinets, thick walls, and large appliances. Retest the rooms after moving it. For a controlled comparison, see how to verify Wi-Fi improvements after moving a router.
3. Reduce nearby obstacles and interference. Keep the router away from cordless phone bases, microwave ovens, and dense clusters of electronics. A small change in the router's position can help, so make one change at a time and measure again.
4. Restart the router and modem. Unplug them, wait about 30 seconds, then reconnect them. Give the network a few minutes to come back before repeating the map.
5. Check the router's coverage settings. Use the router's own app or instructions to check for a firmware update and review its Wi-Fi settings. Router menus vary by model, so avoid changing several settings at once. Record the original settings before making a change.
6. Add coverage only where you need it. If a room stays weak, a mesh system or access point may help. Place an additional unit where it still receives a good connection from the main router, not inside the dead spot, then map the rooms again.

What a Wi-Fi map can and can't measure

A browser cannot read the Wi-Fi signal strength in dBm, a radio signal measurement used by some network tools. Wi-Fi Map measures what the connection does instead: response time, jitter, and lost requests. Those results are useful for finding rooms where the connection behaves poorly, but they are not a direct reading of the radio signal.

Because the test depends on network requests, internet congestion or activity elsewhere on your network can affect a result too. Use the same device, test from the same spots, and compare repeated measurements before deciding that a room needs new equipment.