Replaces Chrome's default new tab page with a feature-rich Korean start page offering news, investment market data, trending topics, weather, and personalized bookmarks

User installs extension → Chrome new tab page is overridden (index.html) → On new tab, index.js migrates legacy recommended sites to session storage then redirects to start.zum.com → User sees personalized start page with news, investment data, trending topics, weather → Clicking extension icon also opens start.zum.com in new tab → Extension shares Chrome top sites with zum.com for enhanced recommendations

Target users: Korean Chrome users who want a content-rich personalized start page / Users interested in Korean stock market/investment information / Users who want news aggregation and trending topics on new tab

Cannot verify start.zum.com destination service features or whether it requires login for some features
Small extension (9 files, ~52 lines of JS) - most functionality lives on the external start.zum.com website
Extension primarily serves as a launcher/redirect rather than implementing features itself

Monetization

No paid features detected

No payment APIs, subscription flows, premium/upgrade UI, or billing-related code found in the extension source. The 'pro' keyword hit was in binary metadata (verified_contents.json), not meaningful payment code. The extension is a free launcher/redirect with no feature gating. The destination service (start.zum.com) is a free Korean portal start page.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: No
Reason: The extension itself contains no login UI, no authentication API calls, and no OAuth flows. It functions as a simple launcher/redirect to start.zum.com. The new tab override (index.html → index.js) simply redirects to the external site. Core workflow (opening new tab with content) works without login. Some destination service features (investment notes, discussion rooms) may optionally require a zum.com account, but the extension does not gate any functionality behind login.

Permission risk

High-risk permissions

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

扩展能力较强：storage
主机权限覆盖范围较宽

Publisher

ESTaid Corp.

ESTaid

Email: [email protected]
Phone: --
Address: 7F, East Building 3 Banpo-daero 서초구, 서울특별시 06711 KR

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Permissions

Host access