How readable is the web to AI crawlers?

Every number on this page comes from Lantad batch scans: each domain was fetched once like an AI crawler (no JavaScript) and once in a real browser, then diffed. The methodology is public. Cite freely with a link.

Latest survey

1 domains scanned, 1 produced a full score (2026-07-18).

Fully readable to AI crawlers (parity 90%+) 1 of 1 (100%)
Largely invisible (parity under 30%) 0 of 1 (0%)
Mean prose parity 100%
Mean composite score 89

Grade distribution

GradeDomainsShare of scored
A 0 0%
B 1 100%
C 0 0%
D 0 0%
F 0 0%

Domains that could not be graded honestly (bot walls, auth walls, non-HTML) are counted in the survey total but excluded from grade shares: done 1.