History
Douglas Engelbart and the Mother of All Demos
In 1968, one man demonstrated a wooden mouse, video conferencing, and word processing — and stunned the entire tech world.
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DCSPEEDTEST BLOG
Internet guides, hardware reviews, latency optimization, and speedrun tips for the modern web.
Guides
Web Cookies: The Origin of Online Session Memory
Learn how a Netscape programmer named Lou Montulli invented the HTTP cookie to give websites a memory so you don't have to log in on every page.
Guides
From 56k Dial-Up to Fiber: The History of Speed
Take an nostalgic yet highly technical trip down memory lane to see how internet speeds evolved over 1,000,000x in just three decades.
Guides
The First Domain Ever Registered: Symbolics.com
Travel back to March 15, 1985, to explore the registration of Symbolics.com and compute custom domain ages in our interactive Whois calculator.
History
Grace Hopper: The Woman Who Taught Computers English
In the 1950s, programmers had to write code in painful binary. Discover how Grace Hopper invented the first compiler and found the very first computer 'bug'.
Guides
What If Internet Signals Traveled at Tachyon Speed?
Explore the wild theoretical physics of faster-than-light tachyon particles and try our embedded interactive cosmic speed calculator.
Guides
From ARPANET to Quantum Entanglement: The Future of Speed
Peek into the cutting-edge physics of quantum networks and space-based laser grids that will render standard ping lag completely obsolete.
History
How Linus Torvalds Built Linux in His Dorm Room
In 1991, a Finnish student got tired of proprietary operating systems. Discover how Linus Torvalds created Linux and changed global software forever.
Guides
LiFi: How Lightbulbs Could Deliver 100 Gbps
Discover the amazing science of Visible Light Communication (VLC) and simulate photodiode data capture in our interactive demo.