First: Is It Wi-Fi or Your ISP?
Before spending money on a new router, determine what is actually slow. Plug an ethernet cable directly from your modem into your computer and run a speed test. If wired speed matches your plan (within 80%), the problem is your Wi-Fi. If wired speed is also slow, call your ISP. About 70% of "slow internet" complaints are Wi-Fi issues.
See how your connection compares to your current connection.
10 Fixes, Ranked by Impact
1. Move Your Router to a Central Location (Free)
Wi-Fi signal weakens with distance and through walls. A router in a corner basement covers maybe 40% of a typical home. Place it in a central location on the main floor, elevated off the ground. This alone can double your effective range.
2. Switch to the 5 GHz Band (Free)
The 2.4 GHz band is crowded with interference from microwaves, Bluetooth, baby monitors, and neighbors' routers. The 5 GHz band is faster and less congested but has shorter range. For devices within 30 feet of your router, always use 5 GHz.
3. Change Your Wi-Fi Channel (Free)
In apartments and dense neighborhoods, your router competes with dozens of nearby networks. Use a Wi-Fi analyzer app to find the least congested channel. On 2.4 GHz, channels 1, 6, and 11 are the only non-overlapping options. On 5 GHz, there are many more channels available.
4. Update Your Router Firmware (Free)
Router manufacturers regularly release firmware updates that fix bugs and improve performance. Log into your router's admin panel (usually 192.168.1.1) and check for updates. ISP-provided routers may update automatically, but standalone routers often do not.
5. Reduce Wi-Fi Congestion (Free)
Disconnect devices you are not using. Smart home devices, old phones, and tablets all compete for router resources even when idle. Enable QoS (Quality of Service) on your router to prioritize video calls and streaming over background traffic.
6. Stop Using the ISP's Combo Unit ($60-150)
ISP-provided modem/router combos are typically low-quality. Buy your own DOCSIS 3.1 modem ($80-150) and a standalone Wi-Fi 6 router ($60-150). This also eliminates the $10-15/month rental fee, paying for itself in under a year.
7. Upgrade to Wi-Fi 6 or 7 ($100-300)
Wi-Fi 6 (802.11ax) handles multiple devices dramatically better than Wi-Fi 5, with real-world speeds of 1-2 Gbps. Wi-Fi 7 pushes this to multi-gig. If your router is older than 2020, an upgrade will be immediately noticeable, especially in households with 10+ connected devices.
8. Add a Mesh Wi-Fi System ($150-400)
For homes over 1,500 sq ft or multi-story houses, a single router cannot provide full coverage. Mesh systems (Eero, Google Nest WiFi Pro, Orbi) place 2-3 units around your home for seamless coverage. They are far superior to basic range extenders.
9. Use Ethernet for Stationary Devices (Cost of Cable)
Desktop computers, gaming consoles, streaming boxes, and smart TVs should be wired with ethernet whenever possible. This gives them full speed and frees up Wi-Fi bandwidth for mobile devices. A 50-foot Cat6 ethernet cable costs under $15.
10. Use Powerline or MoCA Adapters ($60-120)
If you cannot run ethernet cables, powerline adapters send data through your home's electrical wiring, and MoCA adapters use coaxial cable. MoCA is faster (up to 2.5 Gbps) and more reliable. Both provide wired-quality connections to distant rooms without drilling holes.
Frequently Asked Questions
Why is my Wi-Fi so slow when my internet plan is fast?
Your router is likely the bottleneck. Wi-Fi 5 routers cap out at 400-800 Mbps in practice, even if your plan is 1 Gbps. Walls, distance, interference from other devices, and the number of connected devices all reduce Wi-Fi speed. Test wired first — if your wired speed matches your plan, upgrade your router or add mesh access points.
Should I use 2.4 GHz or 5 GHz Wi-Fi?
5 GHz is faster but has shorter range. Use 5 GHz for devices near the router (streaming, gaming, work). Use 2.4 GHz for distant devices and smart home gadgets. Most modern routers handle band steering automatically, placing devices on the optimal band. If your router is old and does not support band steering, manually connect performance-critical devices to the 5 GHz network.
Do Wi-Fi extenders work?
Basic range extenders technically extend coverage but cut your effective speed in half because they use the same channel to receive and retransmit. Mesh Wi-Fi systems (Eero, Google Nest, Orbi) are far superior because they use a dedicated backhaul channel. If you need to extend coverage, invest in a mesh system rather than a cheap extender.
How many devices can a router handle?
Most home routers can handle 30-50 connected devices, but performance degrades as more devices compete for bandwidth. Wi-Fi 6 and 7 routers handle concurrent connections much better than Wi-Fi 5 through technologies like OFDMA and MU-MIMO. If you have 20+ smart home devices plus computers and phones, upgrading to Wi-Fi 6 or 7 will noticeably improve responsiveness.