ISP Guides
AT&T Fiber vs AT&T Internet Air: What's the Difference
Same brand, completely different technology. We tested both to show exactly how much performance you give up with Internet Air.
Blog
DCSPEEDTEST BLOG
Internet guides, hardware reviews, latency optimization, and speedrun tips for the modern web.
ISP Guides
AT&T WiFi Gateway: Setup, Real Speeds & Review
Is the included AT&T BGW gateway good enough, or do you need a mesh system? We tested real coverage across a 2,000 sq ft home.
ISP Guides
AT&T Outage: How to Check Status & Report
AT&T Fiber or Internet Air down? Confirm it's a real outage, check the live status tool, and know when a credit applies.
ISP Guides
AT&T Internet Air Data Caps: What to Know
AT&T Internet Air has no hard data cap, but deprioritization kicks in earlier than most people realize. Here's how it actually works.
ISP Guides
AT&T Customer Service: How to Get a Real Person
The fastest verified path to a real AT&T support agent for Fiber or Internet Air, and when to use chat over phone.
ISP Guides
How to Cancel AT&T Without Early Termination Fees
AT&T Fiber has no contract on most current plans — here's how to confirm that, cancel cleanly, and return equipment correctly.
ISP Guides
AT&T Business Fiber: Plans & Real Performance
AT&T Business Fiber tested against residential Fiber plans — static IP, SLA terms, and whether the price premium is justified.
ISP Guides
AT&T Fiber Self-Install Guide: Setup Time & What to Expect
How AT&T Fiber self-install actually works, whether it's even offered at your address, and what to expect on activation day.
ISP Guides
Cox Internet Speed Test 2026: Real Results by Plan
We tested every Cox internet tier across three states. Here's the median real-world download, upload, and ping by plan.