What powers classum.com?
Last seen Jun 2026 · 46 technologies across 20 categories
Analytics
Google Analytics
since Feb 2020
Hotjar
since Feb 2020
HubSpot Analytics
since Feb 2021
Matomo Analytics
since Dec 2020
Microsoft Clarity
since Apr 2026
Naver Analytics
since Apr 2022
CDN
Amazon CloudFront
since Jun 2020
Amazon S3
since Jun 2020
Cloudflare
since Nov 2021
Google Hosted Libraries
since Feb 2022
jsDelivr
since Jul 2020
CMS
HubSpot CMS Hub
since Aug 2022
CRM
Channel.io
since Dec 2022
Salesforce
since Jul 2025
Databases
Development
Font scripts
Google Font API
since Mar 2020
Issue trackers
Sentry
since Feb 2020
JavaScript frameworks
JavaScript libraries
Load balancers
Amazon ALB
since Sep 2021
Marketing automation
HubSpot
since Dec 2020
Salesforce Marketing Cloud Account Engagement
since Feb 2025
Miscellaneous
HTTP/3
since Jul 2023
LottieFiles
since Feb 2022
Open Graph
since Sep 2022
Prism
since Sep 2023
Webpack
since Feb 2020
PaaS
Amazon Web Services
since Jun 2020
Vercel
since May 2025
Page builders
Performance
Priority Hints
since May 2025
Programming languages
Node.js
since Nov 2022
Security
Cloudflare Bot Management
since Nov 2021
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Feb 2020
Webmail
Google Workspace
since Aug 2022
Audience
- 96% desktop
- 2% tablet
- 2% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.06 / 10 · ranked #1,481,672 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.3 s |
| INP | 125 ms |
| CLS | 0.2 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- CDN: Cloudflare
- Weight: 3.7 MB · 77 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| classum.com | 24 |
| www.classum.com | 24 |
| business.classum.com | 22 |
| guide.classum.com | 19 |
| ko.blog.classum.com | 18 |
| resources.classum.com | 15 |