What powers 
bltinc.co.jp?
Last seen Sep 2026 · 42 technologies across 26 categories
Advertising
Microsoft Advertising
since Oct 2024
Twitter Ads
since May 2022
Analytics
Google Analytics
since Feb 2019
Microsoft Clarity
since May 2022
Authentication
Facebook Login
since Dec 2023
Cache Tools
WordPress Super Cache
since Apr 2020
Caching
Varnish
since May 2022
CDN
Amazon CloudFront
since Dec 2020
Amazon S3
since Jun 2023
jQuery CDN
since Feb 2025
jsDelivr
since Jun 2023
Unpkg
since Feb 2025
CMS
Hatena Blog
since Dec 2023
WordPress
since Feb 2019
Cookie compliance
Databases
MySQL
since Feb 2019
Font scripts
Issue trackers
Sentry
since May 2022
JavaScript frameworks
JavaScript Libraries
Slick
since Apr 2020
Maps
Google Maps
since Apr 2019
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2023
Operating Systems
CentOS
since Apr 2020
PaaS
Amazon Web Services
since Dec 2020
Programming languages
PHP
since Feb 2019
SEO
Static site generator
Tag managers
Google Tag Manager
since Apr 2020
Video players
YouTube
since Dec 2023
Web Server Extensions
Web Servers
Nginx
since Feb 2019
Webmail
Google Workspace
since Aug 2022
Widgets
Twitter
since May 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 87% desktop
- 13% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.76 / 10 · ranked #272,966 of all domains
73 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 20.0 MB · 57 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (18.173.166.21)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Amazon Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 182,861, 8 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| blog.bltinc.co.jp | 17 |
| www.o3f.bltinc.co.jp | 17 |
| cocodemo.bltinc.co.jp | 14 |
| bltinc.co.jp | 12 |
| www.bltinc.co.jp | 11 |
| slvrbullet.bltinc.co.jp | 10 |
Full technology history →
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Recent changes
- dropped Cloudflare Dec 2025
- dropped Cloudflare Bot Management Dec 2025