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The Experimenteurs Toolkit - Pre/Post test statistics, estimated impact icon

The Experimenteurs Toolkit - Pre/Post test statistics, estimated impact

Quickly & simply calculate MDE, sample size, run time, experiment performance and experiment impact

Users7Current public install base
Rating--Store average score
Reviews0Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview

The Experimenteurs Toolkit - Pre/Post test statistics, estimated impact Media preview

6 assets
Trend

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User Growth Over Time

777772026年7月11日2026年7月14日2026年7月17日Latest: 7
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1-day growthFlat
00%
7-day growthFlat
00%
30-day growthGrowing
+2+40%
Technical snapshot

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Version3.0.0
ManifestV3
Size96.84KiB
Languages1English (United Kingdom)
Published
Store updated
Last crawled
English (United Kingdom)
Overview

Product summary

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**🆕 New for v3!**

• Hypothesis builder — document your experiment hypothesis directly on saved projects

• "Go to projects" quick link after saving an analysis

• Pages & Audiences — save page configs with instant run time and MDE reference tables for any target uplift

• CSV export for all saved projects

• Pre-test usability nudge — highlights missing fields when you try to calculate run time

Reviews

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Store average score--Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average--Average computed only from synced review bodies below
Reviews with text0Synced review bodies
Total ratings / reviews0Chrome Web Store public rating/review count

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