4 ms·
Chrome does this already by sending a hidden request to http://www.gstatic.com/generate_204 http://www.gstatic.com/generate_204 and displaying the page in a new
by quasque 13y ago
Chrome does this already by sending a hidden request to http://www.gstatic.com/generate_204 http://www.gstatic.com/generate_204 and displaying the page in a new tab if the request is intercepted.
(More detail at http://www.chromium.org/chromium-os/chromiumos-design-docs/network-portal-detection http://www.chromium.org/chromium-os/chromiumos-design-docs/n...)