The internet has woven itself into nearly every aspect of modern life, from how we work and communicate to how we learn and entertain ourselves. Yet behind the screens lies a remarkable story of technological innovation, from early networks designed for resilience to the protocols and infrastructure that make instant global connection possible today. Whether you're curious about the pioneers who shaped this digital landscape, the technologies that keep it running, or how it has transformed society, testing your knowledge of the internet reveals just how much this invisible network shapes our world.
▶ Play today's quizWhich symbol separates the username from the domain in an email address?
Source: Ray Tomlinson chose @ in 1971 simply because no name contained it, avoiding confusion.
Which company runs the search engine that became a verb for searching online?
Source: The name 'Google' is a misspelling of 'googol' — the number 1 followed by 100 zeros.
Which of these is a web browser rather than a search engine?
Source: A browser is the app you open; a search engine is a website you visit inside it — people mix these up constantly.
What is the name for a small data file a website stores in your browser?
Source: Cookies were named after 'magic cookies' used in older Unix programming, not the snack.
Which technology lets you browse the internet without a wired connection?
Source: 'Wi-Fi' doesn't actually stand for anything — it was a catchy brand name invented by a marketing firm.
What does the cloud refer to in cloud storage?
Source: There is no cloud — it's just someone else's computer in a data center somewhere on Earth.
What does HTTP stand for at the start of a web address?
Source: The 'S' in HTTPS just means it's encrypted — added decades after the original protocol.
What does the "www" in a web address stand for?
Source: Tim Berners-Lee coined 'World Wide Web' in 1989 — and it has more syllables spoken aloud than written.
What does a URL identify on the internet?
Source: URL stands for Uniform Resource Locator — essentially the street address of a web page.
What is a website's home page mainly meant to do for visitors?
Source: The home page is your front door online — the original Netscape one launched the term 'home' for the web.
What does the 'IP' in IP address stand for?
Source: Every device online has an IP address — the newer IPv6 system has enough for trillions per person.
What does VPN stand for?
Source: A VPN tunnels your traffic through another server, hiding your real location from websites.
Which system translates a domain name into a numeric address?
Source: DNS is often called the phone book of the internet — it turns names into the numbers machines use.
Which decade saw the public World Wide Web first launched?
Source: The web went public in 1991, though the underlying internet existed long before in the 1970s.
What does the term 'bandwidth' measure on an internet connection?
Source: Bandwidth is how much data flows per second — often confused with latency, which is the delay before it arrives.
Roughly what fraction of the world's population uses the internet today?
Source: Around 5 billion of 8 billion people are online — yet billions still have never connected at all.
Which protocol secures data sent between your browser and a website?
Source: The padlock icon in your browser means TLS encryption is active, scrambling data in transit.
What does the protocol 'FTP' specialise in handling?
Source: FTP predates the web itself and was a primary way to move large files across early networks.
What does a 404 error code indicate to a web user?
Source: 404 means the page is missing; the 403 you might guess actually means you're forbidden from entering.
What was the original character limit of a single tweet?
Source: The original 140-character cap came from SMS text limits; it only later doubled to the now-familiar 280.