What powers t2sound.com?

Last seen Oct 2026 · 17 technologies across 12 categories

Advertising

Google AdSense
since Aug 2022

Analytics

Naver Analytics
since Oct 2026

CDN

jsDelivr
since Sep 2026

Font scripts

Google Font API
since Aug 2022

JavaScript frameworks

React
since Sep 2026
React Router v7.12.0
since Sep 2026

Load balancers

Amazon ALB
since Sep 2026

Miscellaneous

Kakao
since Aug 2022
Open Graph
since Dec 2022
PWA
since Sep 2026

PaaS

Amazon Web Services
since Sep 2026
Vercel
since Sep 2026

Performance

Priority Hints
since Sep 2023

Security

HSTS
since Sep 2026
reCAPTCHA
since Aug 2022

UI frameworks

Tailwind CSS
since Sep 2026

Video players

YouTube
since Sep 2026

AI Crawlers

Blocks 10 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.

Training crawlers

  • Applebot-Extended Blocked
  • Bytespider Blocked
  • CCBot Blocked
  • ClaudeBot Blocked
  • FacebookBot Blocked
  • Google-Extended Blocked
  • GPTBot Blocked
  • meta-externalagent Blocked

Search and AI assistants

  • Amazonbot Blocked
  • PetalBot Blocked

The other 23 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found
  • Sep 2026 amazonbot added to robots.txt
  • Sep 2026 ccbot added to robots.txt
  • Sep 2026 bytespider added to robots.txt
  • Sep 2026 claude-web added to robots.txt
  • Sep 2026 anthropic-ai added to robots.txt
  • Sep 2026 applebot-extended added to robots.txt

See who blocks each AI crawler across the web

AI Crawlers

10 of 33 AI crawlers blocked

Full breakdown

Audience

  • 78% desktop
  • 22% phone
  • South Korea

Where the site's Chrome visitors come from, largest estimated audience first.

Core Web Vitals

LCP1.7 s
INP50 ms
CLS0.15
TTFB100 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: Korean
  • CDN: Vercel
  • Weight: 16.3 MB · 290 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

From the homepage's own structured data (Oct 2026).

Infrastructure

  • Hosted on Amazon Web Services (216.198.79.1)
  • DNS: gabia.co.kr
  • Email: no MX record returned
  • Email security: SPF (hard fail), DMARC reject
  • SSL: Let's Encrypt, RSA 2048, expires Jan 2027

DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted

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