Mangtae Grandmother — Trust Verification Tool for Ad Fraud Loss Prevention

Mangtae Grandma — Ad Fraud Loss Prevention Credibility Verifier

Quickly review baseline credibility and campaign risk before sponsorship or branded-content contracts. Enter a link first for an instant light analysis, then add CSVs for deeper checks.

Legal notice: This tool is for business due diligence related to advertising contracts and may be used only with prior authorization and lawful rights from the data provider/rightsholder. Unauthorized collection, sharing, disclosure, or misuse may violate privacy/data-protection laws. Cross-border legal requirements vary by jurisdiction.

Use only data you are legally allowed to review for contract due diligence. Obtain consent/authorization, minimize personal data, avoid re-identification, and keep exports protected. This report is a reference aid, not legal advice.

Light analysis is available with a link only. Add posts.csv, comments.csv, and followers_sample.csv to unlock deeper metrics.

Please check the consent box below before running analysis.

Basic Information

Campaign / Brand Name

Channel URL

Primary Target Market KR (Korea) US JP TW CN EU (Mixed) Global (Mixed)

Follower Count (Optional)

Recent Averages (Optional)

Posts Included

Avg Likes / Post

Avg Comments / Post

Avg Views / Post

If provided, the tool can calculate a light credibility score from ER and view-response rate even without CSV files.

Evidence & Notes

Data Check & Optional Uploads

A link alone can produce a baseline result. Add the files below for deeper metrics such as comment patterns, spike days, and audience-country distribution.

Post snapshots (posts.csv)

No file selected

 

Comment snapshots (comments.csv)

No file selected

 

Follower sample (followers_sample.csv)

No file selected

 

I confirm the data was lawfully provided/authorized for advertising-contract due diligence and will be used only within a lawful business purpose.

For higher-risk jurisdictions or personal-data-heavy datasets, obtain legal review before exporting or sharing results.

Pending

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Overall credibility score (0–100)

 

Low sample size: interpret with caution

Light mode (link / tracking / manipulation signals)

 

 

Key Risk Signals

Link-Only Manipulation Signal Check

 

Traffic & Tagging Diagnostics

 

Metric Definitions

• ER: (Avg likes + avg comments) / followers × 100
• View response rate: (Likes + comments) / views × 100
• Duplicate comments: share of exact repeated comment strings
• Near-duplicate comments: share of similar comments via Jaccard similarity
• KR language share: Korean-dominant share within comments
• Off-target country share: follower-sample mismatch vs primary target market
• Spike-day ratio: share of daily totals above 2.5σ
• New-follower ratio: share of followers created in the last 14 days

Source Data Snapshot (Debug View)

View Period Comparison Analysis

Select periods to compare (up to 5 years = 1825 days) Last 7 days Last 30 days Last 90 days Last 180 days Last 365 days Last 730 days Last 1095 days Last 1460 days Last 1825 days

 

Disclaimer & Compliance Guidance
1) This tool provides reference indicators based on user-supplied or authorized data. Final advertising-contract decisions remain the responsibility of the advertiser and contracting parties.
2) If personal data is involved, comply with applicable laws (including but not limited to privacy, data protection, and cross-border transfer rules) and apply safeguards against re-identification.
3) Users are responsible for lawfulness of uploaded files, third-party rights/consent, and jurisdiction-specific compliance.
4) Processing occurs in browser memory only. Files/results are exported only when the user explicitly clicks export.
5) This tool is not legal advice. Consult counsel for jurisdiction-specific requirements.

Mangtae Grandma © 2026 Happycode7. All rights reserved.

Language Guide & Global Usage Notes

UI is provided in English by default. Use this modal for quick multilingual guidance and compliance reminders.