What powers gred.jp?
Last seen Aug 2024 · 10 technologies across 8 categories
Analytics
Google Analytics
since Jun 2018
CDN
cdnjs
since Aug 2024
Cloudflare
since Aug 2024
Editors
DreamWeaver
since Jan 2019
Font scripts
Google Font API
since Aug 2024
JavaScript frameworks
Load balancers
Amazon ALB
since Aug 2024
PaaS
Amazon Web Services
since Aug 2024
Web servers
Apache HTTP Server
since May 2017
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 56% desktop
- 42% phone
- 2% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.02 / 10 · ranked #40,530 of all domains
271 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.6 MB · 34 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- DNS: Amazon Route 53
- Email: sbtokyo.jp
- Email security: no SPF record, no DMARC record
- SSL: DigiCert, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 531,757, 7 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.gred.jp | 9 |
| check.gred.jp | 3 |