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The domain name 'yir.duolingo.com' uses the commercial generic top-level domain (.com) with subdomain 'yir'. Its registrable label 'duolingo' stretches across 8 characters holding four vowels versus four consonants. Word splitting yields 2 words: duo, lingo. Median word length comes out to 4 characters. No strong language cues emerged from the frequency lists.

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Year in Review

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width=device-width, initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0,user-scalable=0,viewport-fit=cover

viewport

HSTS header missing - vulnerable to protocol downgrade attacks

CSP header missing - vulnerable to XSS attacks

child-src https:  chrome-untrusted://new-tab-page/ chrome-untrusted://ntp-microsoft-auth/;connect-src chrome://resources chrome://theme 'self';default-src 'self';font-src chrome://resources 'self';img-src chrome://resources chrome://theme chrome://image chrome://favicon2 chrome://app-icon chrome://extension-icon chrome://fileicon blob: data: 'self';object-src 'none';require-trusted-types-for 'script';script-src chrome://resources chrome://webui-test 'self';style-src chrome://resources chrome://theme 'self' 'unsafe-inline';trusted-types parse-html-subset sanitize-inner-html static-types webui-test-script webui-test-html polymer-html-literal polymer-template-event-attribute-policy lit-html-desktop;frame-ancestors 'none';

child-src 'none';object-src 'none';require-trusted-types-for 'script';script-src chrome://resources 'self';trusted-types;worker-src blob: 'self';frame-ancestors 'none';

child-src 'none';object-src 'none';require-trusted-types-for 'script';script-src chrome://resources 'self';trusted-types;frame-ancestors 'none';

base-uri 'none';child-src https:;form-action https://ogs.google.com https://*.corp.google.com;object-src 'none';script-src 'self' 'unsafe-inline' https:;frame-ancestors chrome://new-tab-page/

Requests	IP Address	Location	AS Autonomous System
67	54.192.35.117	United States	AS16509AMAZON-02
19	54.192.35.55	United States	AS16509AMAZON-02
16	54.192.35.126	United States	AS16509AMAZON-02
16	54.192.35.34	United States	AS16509AMAZON-02
67	4	-	-

Security Scan Report: yir.duolingo.com

Summary

AI Security Verdict

Safe Website

Safety Factors

Details

Screenshot

Page Load Overview

Language Analysis

Primary Language

Detection Details

Website Classification

Primary Category

All Detected Categories

Detected Features

Domain & IP Information

Detected Technologies3

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

ssdeep (Context Triggered Piecewise Hashing)

sdhash (Similarity Digest Hashing)

Image Hashes

Perceptual Hashes

Other Hashes

Scan History