What powers tess-eng.co.jp?
Last seen Aug 2026 · 23 technologies across 15 categories
Analytics
Google Analytics
since Jan 2019
CDN
Amazon CloudFront
since Jul 2026
cdnjs
since Jul 2026
Cloudflare
since Jul 2026
jQuery CDN
since Jul 2026
jsDelivr
since Jul 2026
Font scripts
Google Font API
since Jul 2026
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Highlight.js
since Jul 2026
Splide
since Jul 2026
Miscellaneous
Open Graph
since Jul 2026
PaaS
Amazon Web Services
since Jul 2026
Performance
Priority Hints
since Jul 2026
Programming languages
PHP
since Jul 2026
Security
HSTS
since Jul 2026
Web frameworks
Laravel
since Jul 2026
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Apple iCloud Mail
since Oct 2023
Microsoft 365
since Aug 2022
Widgets
Embedly
since Jul 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 66% desktop
- 34% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.29 / 10 · ranked #1,144,172 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 5.1 MB · 99 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Amazon CloudFront Jul 2026
- detected Amazon Web Services Jul 2026
- detected cdnjs Jul 2026
- detected Cloudflare Jul 2026
- detected core-js Jul 2026
- detected Embedly Jul 2026
- detected Google Font API Jul 2026
- detected GSAP Jul 2026
- detected Highlight.js Jul 2026
- detected HSTS Jul 2026
- detected jQuery CDN Jul 2026
- detected jsDelivr Jul 2026
- detected Laravel Jul 2026
- detected MathJax Jul 2026
- detected Open Graph Jul 2026
- detected PHP Jul 2026
- detected Priority Hints Jul 2026
- detected Splide Jul 2026