Cairn - YouTube Course Tracker

Name: Cairn - YouTube Course Tracker
Author: cairnstudy.com

cairnstudy.com · Education

Open in Chrome Web Store Website

Users

Avg rating

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Ratings

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Updated

Sep 16, 2026

Media

4 items

Description

Finally finish YouTube courses. Auto-track lectures from Stanford CS, MIT OCW, and any playlist. Sync across devices. Cairn is a Chrome extension for people working through university lecture series on YouTube — Stanford CS, MIT OCW, and the rest. — Tracks your progress automatically, to the second. No buttons to click. — Syncs across devices when you sign in with Google. — Shows short notes left by other learners at the exact moment they posted them. — Ask questions to AI backed by knowledge base with your own deepseek or GLM key. — Anonymous nicknames. — Community-curated course catalog. — Anyone can add a course from YouTube playlist. — Works fully offline as a guest. Migrate to an account later.

History

30d 90d 1y all

rating_count is the Chrome Web Store ratings count, not a written-review count.

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
30
Description length
Characters in the listing description.
712
Media assets
Screenshots and videos on the listing.
4
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
1
Developer website
Listing exposes a developer website URL.
Yes
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
29.8

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.