You’re paying for fast internet, but your WiFi crawls. Pages take forever to load, video calls buffer, and streaming drops to potato quality every evening. The problem is almost never your internet plan — it’s something between your router and your device. Here’s how to find and fix it.
Step 1: Test Your Actual Speeds
Before fixing anything, measure the problem. Run a speed test from fast.com or speedtest.net on your device. Then run the same test on a device connected to your router with an ethernet cable. If the wired speed is fine but WiFi is slow, the problem is wireless. If both are slow, the problem is your internet connection or modem.
What to Compare
- WiFi speed vs wired speed: WiFi should get at least 50–70% of your wired speed. If it’s under 30%, you have a WiFi problem
- WiFi speed vs what you pay for: If you’re paying for 200 Mbps and getting 15 Mbps on WiFi, something is wrong
- Test at different times: If speeds are fine at 6 AM but terrible at 8 PM, you may have congestion issues (either on your network or your ISP’s)
Step 2: Fix Router Placement
Router placement is the single most impactful factor in WiFi performance, and most people get it wrong. Your router isn’t a decoration to hide in a closet or behind the TV stand — it’s a radio transmitter that needs clear line-of-sight to your devices.
- Central location: Place the router as close to the center of your home as possible, not in a corner room
- Elevated position: WiFi signals radiate outward and slightly downward. Mount it on a wall or place it on a high shelf, not on the floor
- Away from interference: Keep it at least 3 feet from microwaves, cordless phones, baby monitors, and Bluetooth devices. These all operate on 2.4 GHz and interfere directly
- Away from metal and water: Metal reflects signals; water absorbs them. Fish tanks, metal filing cabinets, and mirrors are WiFi killers
- Out of enclosed spaces: Not inside a cabinet, closet, or entertainment center. The walls and doors block signal
Step 3: Switch WiFi Channels
If you live in an apartment or dense neighborhood, dozens of nearby WiFi networks compete on the same channels. This congestion slows everyone down.
How to check: Download a WiFi analyzer app (WiFi Analyzer for Android, NetSpot for Mac/Windows). It shows which channels are crowded.
- 2.4 GHz: Use channel 1, 6, or 11 (the only non-overlapping channels). Pick whichever has the fewest competing networks
- 5 GHz: Has many more channels and usually less congestion. If your router supports it, prefer 5 GHz for speed-sensitive devices
- 6 GHz (WiFi 6E): If you have a WiFi 6E router and compatible devices, the 6 GHz band is virtually empty and offers the best performance
Step 4: Identify Bandwidth Hogs
One device streaming 4K video or downloading a large update can saturate your connection and slow everything else. Log into your router’s admin page (usually 192.168.1.1 or 192.168.0.1) and look for a “Connected Devices” or “Traffic Monitor” section to see which devices are using the most bandwidth.
Common hogs: Smart TVs streaming in 4K (25+ Mbps each), game consoles downloading updates (can use 100% of your bandwidth), cloud backup services running during the day, and security cameras uploading continuously.
Step 5: Update Router Firmware
Router manufacturers release firmware updates that fix bugs, security vulnerabilities, and sometimes improve WiFi performance. Most routers don’t update automatically — you need to log into the admin page and check manually. If your router is more than 2 years old and you’ve never updated the firmware, do it now.
Step 6: Change DNS Settings
Slow DNS resolution makes every website feel sluggish even when your actual download speed is fine. Your ISP’s default DNS servers are often the slowest option. Switch to a faster public DNS:
- Cloudflare: 1.1.1.1 (fastest, privacy-focused)
- Google: 8.8.8.8 (reliable, fast)
- Quad9: 9.9.9.9 (blocks known malicious domains)
You can change DNS on individual devices or on the router itself (which applies to every device on your network).
Step 7: When You Need Better Hardware
If you’ve optimized placement, channels, and settings and WiFi is still slow, your hardware may be the bottleneck:
- Router age: If your router is 5+ years old, it likely doesn’t support WiFi 5 (802.11ac) or WiFi 6 (802.11ax). A modern WiFi 6 router costs $80–$150 and makes a dramatic difference
- Large or multi-story homes: A single router can’t cover a 2,500+ sq ft home well. Consider a mesh WiFi system (TP-Link Deco, Eero, Google Nest WiFi) that uses multiple access points for full coverage
- WiFi adapter on your computer: Older laptops may have WiFi 4 (802.11n) adapters that cap at 150 Mbps even with a fast router. A $20 USB WiFi 6 adapter fixes this
When to Call Us
If you’ve tried everything above and your WiFi is still slow, the problem may be more complex — ISP equipment issues, interference from neighboring electronics, or a faulty WiFi adapter in your computer. We can diagnose the issue remotely in about 15 minutes, optimize your network settings, and tell you exactly whether you need new hardware or a call to your ISP.