Social
Stable signalUnknownMedium-risk permissions
Ad Observer icon

Ad Observer

A browser extension to share data about your social feed with researchers and journalists to increase transparency.

Users2KCurrent public install base
Rating5.0Store average score
Reviews7Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview

Ad Observer Media preview

2 assets
Trend

User growth trend

Review user movement across collected snapshots.

User Growth Over Time

2K2K2K2K2K2026年7月15日2026年7月18日2026年7月21日Latest: 2K
Rating trend

7-day rating trend

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7-day rating change

Start
5.00
Latest
5.00
7-day rating change
0.00
4.904.955.005.055.102026年7月15日2026年7月18日2026年7月21日Latest: 5.00
2026年7月15日2026年7月21日
Growth overview

Daily, weekly, and monthly growth

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1-day growthFlat
00%
7-day growthFlat
00%
30-day growthFlat
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Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version3.2.13 (ea4c344)
ManifestV3
Size521KiB
Languages3Deutsch / English / español
Published
Store updated
Last crawled
DeutschEnglishespañol
Overview

Product summary

Review the store description, core capabilities, and common use cases.

This tool allows you to contribute data about the ads you're shown to further the understanding of researchers, journalists, and the public of online political advertising and how personal data is used to target you with ads.

Ad Observer is offered by the Online Political Transparency Project of New York University. This extension was developed in partnership with the Algorithmic Transparency Institute.

Reviews

Recent review snapshot

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Store average score5.0Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average5.0Average computed only from synced review bodies below
Reviews with text3Synced review bodies
Total ratings / reviews7Chrome Web Store public rating/review count

Store average score: 5.0. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5★
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Michael Cozens2025年4月5日
5

Works great, and helps valuable academic research!

Version 3.2.13 (ea4c344)Language en
HG2022年5月26日
5

I am the weird one always reading T&C and tick off all the box to NO DON'T SAVE ANYTHING but it always annoys me they can collect and use if they want. Thank you so much and I strongly support your research!

Language en
Andrew Ronding2022年1月27日
5

Very good idea, looking forward to what they discover.

Language en
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