toshihiro shishido

Former Thomson Reuters data scientist. Ex-board member at 3 Japanese academic spinoffs. Went full-time indie 2 months ago. Building RevenueScope from Tokyo — 5-min ad attribution. 4 more in 2026.

Joined on Apr 22, 2026

Cover image for GA4's 'Direct / (none)' is mostly measurement loss, not user behavior

toshihiro shishido

Apr 24

GA4's 'Direct / (none)' is mostly measurement loss, not user behavior

#analytics #marketing #googleanalytics #webdev

4 min read

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Cover image for 71% of stores have GA4 installed. Only 11% actually use it. Here's what's broken.

toshihiro shishido

Apr 23

71% of stores have GA4 installed. Only 11% actually use it. Here's what's broken.

#analytics #marketing #datascience #saas

7 min read

Cover image for The utm_source you should NOT use for Meta Ads (and why GA4 makes it disappear)

toshihiro shishido

Apr 22

The utm_source you should NOT use for Meta Ads (and why GA4 makes it disappear)

#marketing #webdev #analytics

5 min read

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toshihiro shishido

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GA4's 'Direct / (none)' is mostly measurement loss, not user behavior

Want to connect with toshihiro shishido?

71% of stores have GA4 installed. Only 11% actually use it. Here's what's broken.

The utm_source you should NOT use for Meta Ads (and why GA4 makes it disappear)