methodology / Modern Web / #31
IPv6 support
live factor #31 · Modern Web · scoring impl: implemented · weight 0.7%
What we measure
IPv6 is the modern replacement for IPv4. Sites with IPv6 reach mobile users on IPv6-only networks (common on US carriers) without performance penalties.
How to improve your score
Most CDNs (Cloudflare especially) automatically serve IPv6. If hosting directly, ensure web server binds to IPv6 + AAAA records published.
Data source
Data source for this factor is not yet documented.
Scoring
Scoring formulas are versioned with the methodology. The current method (v1.1.0) maps raw measurements to pass, warn, fail. Factor weights determine how much each contributes to the composite — see the methodology index for the full table.
Version history
| Version | Change | Date |
|---|---|---|
| v1.1.0 | Factor introduced. Status: live. Scoring impl: implemented. | 2026-04-25 |