Density this week 5.7‰ · index 97 (base 2026-W28 = 100） · 7/1220 items
Weekly density (‰ = hits per 1,000 items). Hollow grey dots = fewer than 30 items that week; numbers only, no conclusions. Hover a point for numerator/denominator. CSV · JSON
Titles and links to the original only; we do not republish bodies.
Method: observatory method · obs-v1.0 · corpus start 2015-12-11
