Guides
Quad-Core vs Dual-Core Routers: Do Cores Matter?
Does your home router really need a quad-core processor? Discover how CPU architecture affects VPN speeds, congestion, and smart device handling.
Blog
DCSPEEDTEST BLOG
Internet guides, hardware reviews, latency optimization, and speedrun tips for the modern web.
Guides
Best DNS for Gaming: Cloudflare vs Google vs ISP
Does changing your DNS to 1.1.1.1 actually lower your ping? We explain how DNS works and when it matters.
Work From Home
Microsoft Teams Bandwidth: Why It Differs From Zoom
Teams uses a different codec and server model than Zoom. We analyzed Teams traffic via Wireshark to find where it differs.
Consumer Rights
Net Speed Test: Is Your ISP Delivering What You Pay For?
Don't let them throttle you. Use a net speed test to hold your Internet Service Provider accountable and verify your contract speeds.
Hardware
Why Renting Your ISP's Modem Is Costing You Speed and Money
ISPs rent outdated modem-router combos for $10-15/month. We tested rental gear against a purchased modem — a 23% speed gap.
Troubleshooting
Fix IPTV Buffering: VPN Solution for Gigabit
You have 1 Gbps fiber and IPTV still freezes every 90 seconds. This is an ISP routing issue — here's how to confirm and fix it.
Guides
Surfshark Speed Test Review: WireGuard Verdict
A hands-on speed audit of Surfshark VPN, measuring multi-device performance drop-offs, gaming server pings, and peak-hour streaming bandwidth.
Guides
How to Choose the Best WiFi Channel to Boost Speed
Is your neighbor interfering with your signal? Learn how to scan for congestion and pick a clear channel.
Research
ISP Throttling Test: How to Detect and Prove It
Speed test shows 500 Mbps but Netflix buffers? Here's the exact multi-tool method to detect and document ISP throttling.