Reviews
T-Mobile Fixed Wireless Internet: Real Speeds
No technician, no contract — but is it fast enough to replace cable? We ran 800 speed tests across suburban and rural areas.
Blog
DCSPEEDTEST BLOG
Internet guides, hardware reviews, latency optimization, and speedrun tips for the modern web.
Guides
Verizon vs T-Mobile Home Internet: 60-Day Test
Both use 5G fixed wireless, but real-world performance differs dramatically. 2,400 speed tests in the same house, side by side.
Guides
We Mapped Every WiFi Dead Zone in a Typical Home
47 sensors across a 2,200 sq ft home measured signal, speed, and packet loss in every room. The results were embarrassing.
Hardware
We Tested 6 'AI Routers' — Most Are Lying
Router makers slap 'AI' on everything now. We tested 6 AI routers and measured real ping gains against their marketing claims.
Gaming
Why 1 Gigabit Internet Made My Gaming Worse
Thousands of gamers upgraded to 1Gbps and got worse ping and packet loss. The cause is buffer bloat amplification — here's the fix.
Privacy
Your ISP Has Been Selling Your Data — The Proof
Every major US ISP can legally sell your browsing history and location data. We filed FOIA requests and got the receipts.
Troubleshooting
Zoom Keeps Freezing? Fix It Without Upgrades
500 Mbps and flawless speed tests, but calls still freeze? We analyzed 40,000 bad Zoom calls and found the real culprit: jitter.
Education
Speed Tests Are Lying to You: Get Your Real Speed
ISPs optimize networks specifically to boost numbers on popular test sites. Here's the 4-step protocol to see your real speed.
Research
Americans Pay 4x More for Slower Internet Than 23 Countries
We compared broadband bills and speeds across 1.4M users in 40 countries. Americans often pay far more for slower internet.