Why is my WiFi slow

Part 1: Quick & Easy Checks 

Simple steps that fix or diagnose the problem in many cases.

Restart Your Router & Modem

Restart Your Router

  • Turn off your router and modem.
  • Wait 30 seconds.
  • Turn them back on.
  • Allow a few minutes for them to fully restart.
Check Other Devices

Check Other Devices

  • Test WiFi on another device.
  • If it’s slow on all devices, the issue is likely with your network or ISP.
  • If it’s only slow on one device, the issue is with that device.
Run a Speed Test

Run a Speed Test

  • Use a wired connection for the most accurate test.
  • Try speedtest.net or fast.com.
  • Compare the results to your plan speeds.
Check WiFi Signal Strength

Check WiFi Signal Strength

  • Move closer to your router.
  • Weak signal = slow speeds.
  • Aim for at least -67 dBm (Excellent/Good).
Reduce Interference

Reduce Interference

  • Keep your router away from:

– Microwaves

– Bluetooth devices

– Cordless phones

– Baby monitors

– Thick walls / metal objects

Check for Data Heavy Usage

Check for Data Heavy Usage

  • 4K streaming, large downloads, online gaming and backups use lots of bandwidth.
  • Pause downloads or streaming and test again
Update Router Firmware

Update Router Firmware

  • Outdated firmware can cause performance problems.
  • Log in to your router and check for updates.

Part 2: Intermediate & Advanced steps

Deeper checks to solve more complex issues.

Check Your Internet Plan

Check Your Internet Plan

  • Make sure your plan matches your needs.
  • Contact your ISP if speeds are consistently low.
Change the WiFi Channel

Change the WiFi Channel

  • Use a WiFi analyzer app (e.g. WiFi Analyzer).
  • Choose a less crowded channel (1, 6 or 11 on 2.4GHz).
Switch to 5GHz (If Available)

Switch to 5GHz (If Available)

  • 5GHz is faster and less crowded.
  • Ideal for streaming, gaming and large downloads.
Optimize Router Placement

Optimize Router Placement

  • Place your router:

– In a central location

– Elevated, not on floor

– Away from walls and obstructions

Limit Connected Devices

Limit Connected Devices

  • Too many devices can slow WiFi.
  • Disconnect devices you’re not using.
Use Ethernet for Important Devices

Use Ethernet for Important Devices

  • Connect gaming PCs, streaming devices or work PCs via Ethernet.
  • Provides the fastest and most stable connection.
Enable QoS (Quality of Service)

Enable QoS (Quality of Service)

  • Prioritize important traffic like gaming, video calls or streaming.
  • Found in your router settings.
Check for Malware

Check for Malware

  • Malware can use your internet in the background.
  • Run a full scan with your antivirus.
Quick tips