What powers 
ertec-g.co.jp?
Last seen Sep 2026 · 15 technologies across 11 categories
Analytics
Google Analytics
since Oct 2024
CMS
WordPress
since Oct 2024
Databases
MySQL
since Oct 2024
Font scripts
Twitter Emoji (Twemoji)
since Dec 2025
JavaScript libraries
Maps
Google Maps
since Oct 2024
Programming languages
PHP
since Oct 2024
Security
reCAPTCHA
since Oct 2024
UI frameworks
UIKit
since Oct 2024
Web servers
Nginx
since Aug 2022
WordPress plugins
Smash Balloon Instagram Feed
since Oct 2024
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.73 / 10 · ranked #294,558 of all domains
145 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 25.5 MB · 161 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (133.167.0.47)
- DNS: digital-all.jp
- Email: ertec-g.co.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,272,935, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025