Upload Speed - DC speed test

Research

Fiber vs Cable Speed Data 2026: 18 Months of DCSpeedTest Results

Using 18 months of DCSpeedTest data from users who switched between ISP types, we measured the real-world speed, latency, and reliability difference…

By dalto00@hotmail.com April 9, 2026

Research

The world's fastest download speeds are predominantly in Asia and Europe. But upload speed — critical for remote work, streaming, and video…

By dalto00@hotmail.com April 9, 2026

Work From Home

The FCC raised the broadband minimum to 100/20 Mbps in 2024. But what do remote workers actually need? Based on 30,000 WFH…

By dalto00@hotmail.com April 9, 2026

Work From Home

Some remote employers require applicants to submit a speed test result as part of hiring. Here is what they are actually evaluating…

By dalto00@hotmail.com April 9, 2026

Work From Home

We tracked 500 DCSpeedTest users who switched from cable to fiber while working remotely. Zoom call quality, cloud sync times, and VPN…

By dalto00@hotmail.com April 9, 2026

Work From Home

Remote workers obsess over download speed while upload speed determines 90% of their working experience. Here is a clear guide to why…

By dalto00@hotmail.com April 9, 2026

Work From Home

The #1 cause of choppy Zoom calls is not download speed — it is upload speed and jitter. We ran 200 Zoom…

By dalto00@hotmail.com April 9, 2026

Troubleshooting

Upload speed drops are often misdiagnosed. A common recommendation is 'restart your router' — that fixes maybe 15% of cases. We identified…

By dalto00@hotmail.com April 9, 2026

Streaming

Twitch raised its recommended bitrate to 8,000 kbps for 1080p60 in 2025. We tested every encoder preset and resolution tier to give…

By dalto00@hotmail.com April 9, 2026

Streaming

YouTube Live supports 4K60 HDR streaming for channels with 1,000+ subscribers. We tested the full quality stack from 480p to 4K, documenting…

By dalto00@hotmail.com April 9, 2026