Cooling signalNo paid features detectedLow-risk permissions

UMD Professor Ratings

This extension displays professor ratings next to the classes they are teaching.

Users413Current public install base

Rating5.0Store average score

Reviews3Public review volume

Manifest versionV3Extension platform version

7-day growth-7Net users gained this week

7-day growth rate-1.67%Relative weekly velocity

Preview

UMD Professor Ratings Media preview

1 assets

Trend

User growth trend

Review user movement across collected snapshots.

User Growth Over Time

Rating trend

7-day rating trend

View collected rating snapshots from the latest 7-day window to assess rating stability.

7-day rating change

Start

5.00

Latest

5.00

7-day rating change

0.00

2026年7月16日2026年7月22日

Growth overview

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthGrowing

+8+1.98%

7-day growthDeclining

-7-1.67%

30-day growthGrowing

+4+0.98%

Technical snapshot

Version, languages, and crawl freshness

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

Version1.0.1

ManifestV3

Size1.88MiB

Languages1English

Published--

Store updated--

Last crawled--

Overview

Product summary

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

View professor ratings alongside their class offerings for the University of Maryland schedule of classes.

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

Store average score5.0Chrome 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 / reviews3Chrome 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★

4★

3★

2★

1★

No synced review text is available yet.

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Review related products from the Chrome Web Store detail page.

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TerpScheduleSync

Base Level Extension

AI product read

Display professor ratings from external sources directly on the UMD course schedule page.

Students currently have to leave the UMD Testudo schedule page to check professor ratings on other websites, disrupting their class selection workflow.

User visits UMD Testudo Schedule of Classes -> Extension detects instructor names via DOM -> Extension fetches ratings from PlanetTerp API and RateMyProfessor (via CORS proxy) -> Extension injects rating scores and logos next to instructor names on the page

Target users: University of Maryland students selecting classes

The extension relies on a public CORS proxy (nextjs-cors-anywhere.vercel.app) which may be unreliable or blocked in the future.
RateMyProfessor scraping logic depends on internal page structure (window.__RELAY_STORE__) which could break if RMP updates their frontend.
Analysis is based on static source code; runtime behavior regarding API availability or rate limiting was not tested.

Monetization

No paid features detected

The extension is distributed freely on the Chrome Web Store with no in-extension paywalls, subscription prompts, or billing logic. It fetches data from third-party sites (PlanetTerp and RateMyProfessor) which may have their own paid tiers, but the extension itself does not gate features or handle payments.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: No
Reason: The extension runs as a content script on the UMD Testudo schedule page. It does not implement any login mechanism, nor does it require the user to authenticate with the extension or the destination service to view the injected ratings. Accessing the Testudo schedule may require a UMD NetID in the browser, but that is a property of the destination website, not the extension itself.

Permission risk

Low-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

未命中敏感权限或广域站点访问规则

Publisher

Matthew Foulk

Independent publisher

Email: [email protected]
Phone: --
Address: --

Public contact fields are shown above. Developer portfolio pages are available on paid accounts.

View developer portfolio

Permissions

Host access