Observed arrival · 2026-09-28
メルマガ図鑑: Japan’s ecommerce email field guide
A searchable archive of Japanese ecommerce newsletters, sales, discount levels, and promotional timing.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Japanese ecommerce shoppers and marketing researchers
- Worth noticing
- The dashboard demo is labeled as fictional data; the site also cautions that extracted discounts and deadlines may be wrong.
Field notes
The homepage says it is gathering messages from roughly 300 brands across categories including fashion, cosmetics, food, electronics, and travel. Its research interface is described as comparing send frequency, weekday and hour, discount depth, and industry benchmarks; the dashboard screenshot is explicitly labeled as fictional demo data. The site also discloses affiliate links and says extracted discounts and deadlines can be wrong.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
⊠LoginAccess appeared gated
†AdsAdvertising visible
◎NicheUnusually specific use
One card from the complete issue