IPv4 vs IPv6 in 2026 — what every developer should know (opens in new tab)

IPv4 vs IPv6 in 2026 — what every developer should know For most of the last decade, IPv6 felt like a topic you could safely ignore. "Still mostly IPv4 out there" was a reasonable excuse. That excuse stopped being true in 2026. In March 2026, native IPv6 access to Google exceeded 50% globally for the first time in the 18 years Google has tracked this data. Around the same time, IPv6 overtook IPv4 as the majority protocol for global internet traffic as a whole. If you're building anything that...