What powers iammathking.com?
Last seen Sep 2026 · 39 technologies across 19 categories
Analytics
Amplitude
since Jan 2021
Google Analytics
since Jan 2021
Microsoft Clarity
since Sep 2023
Naver Analytics
since Jul 2022
Authentication
NextAuth.js
since Jun 2024
CDN
Amazon CloudFront
since Jan 2021
Amazon S3
since Jan 2021
Cloudflare
since Oct 2024
Google Hosted Libraries
since Apr 2023
jsDelivr
since Jul 2023
Unpkg
since Nov 2025
Databases
Ecommerce
Cart Functionality
since Jul 2023
Webflow Ecommerce
since Apr 2023
Font scripts
Google Font API
since Jan 2021
Issue trackers
Sentry
since Jan 2021
JavaScript frameworks
React
since Jan 2021
JavaScript libraries
Live chat
Channel.io
since Oct 2025
Miscellaneous
HTTP/3
since Nov 2024
Kakao
since Mar 2023
Open Graph
since Sep 2022
PWA
since Aug 2022
Webpack
since Jan 2021
PaaS
Amazon Web Services
since Jan 2021
Vercel
since Mar 2023
Page builders
Webflow
since Apr 2023
Programming languages
Node.js
since Jan 2021
Security
HSTS
since Mar 2023
Tag managers
Google Tag Manager
since Jan 2021
Video players
YouTube
since Apr 2023
Webmail
Google Workspace
since Aug 2022
Widgets
Facebook
since Jan 2021
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 81% desktop
- 12% tablet
- 7% phone
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.95 / 10 · ranked #3,707,779 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 200 ms |
| CLS | 0.1 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- CDN: Vercel
- Weight: 20.1 MB · 105 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 28,119,794, 7 hosts
- Verified with: Google
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kingpass.iammathking.com | 23 |
| www.iammathking.com | 18 |
| class.iammathking.com | 15 |
| blog.iammathking.com | 14 |
| iammathking.com | 14 |
| teacher.iammathking.com | 14 |
| gichul.iammathking.com | 13 |
| promotion.iammathking.com | 12 |