Behind the Wi-Fi
What happens before the internet starts.
Clear explanations for the awkward moment when Wi-Fi says connected, but the internet has not arrived.
Need the fix now?Start with the problem in front of you.Missing sign-in page, no internet, or a device-specific problem? Find the fastest useful step.Open troubleshooting
Guides
Useful explanations
Plain-language answers for people who want to understand the portal as well as open it.
01What is a captive portal?Understand the public Wi-Fi page that asks you to sign in, accept terms, enter a voucher, or pay before internet access starts.02Why plain HTTP can open a Wi-Fi login pageLearn why an intentionally plain web request can reveal a captive portal and why no sensitive information belongs on that page.03Open a public Wi-Fi login on any deviceChoose the right public Wi-Fi login path for iPhone, iPad, Mac, Android, Windows 11, or another browser-based device.
Research
Research, with the limits left in
Dated, source-linked notes for readers who need the technical boundary, not a confident guess.
01Captive portal endpoint atlasA dated, source-linked reference for connectivity endpoints used by major platforms and WiFi 4 Breakfast.02Captive portal compatibility methodologySee how WiFi 4 Breakfast will test browsers, devices, settings, address families, and real venue networks without overstating results.
Venue resources
For the people running the Wi-Fi
Practical material for teams supporting guests, portals, and real-world network failures.