What powers 
heroz.jp?
Last seen Oct 2026 · 46 technologies across 23 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Jun 2018
Authentication
Facebook Login
since Aug 2022
Caching
Varnish
since Mar 2025
CDN
Cloudflare
since Mar 2025
Google Hosted Libraries
since Aug 2022
CMS
Hatena Blog
since Mar 2025
Databases
MySQL
since Jun 2018
Amazon SES
since Aug 2022
Font scripts
Font Awesome
since Jun 2020
Google Font API
since Jun 2020
Issue trackers
Sentry
since Mar 2025
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Prism
since Feb 2025
PWA
since Aug 2022
RSS
since Mar 2025
Twitter Emoji (Twemoji)
since Jun 2018
Operating Systems
Ubuntu
since Jun 2018
Windows Server
since Aug 2022
PaaS
Amazon Web Services
since Aug 2022
Programming Languages
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Jan 2023
Tag managers
Google Tag Manager
since Aug 2022
UI frameworks
Tailwind CSS
since Feb 2025
Video players
YouTube
since Oct 2016
Web frameworks
Ruby on Rails
since Aug 2018
Web Servers
Widgets
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 robots.txt appeared
- Oct 2026 robots.txt removed
AI Crawlers
No AI crawlers blocked
Audience
- 71% desktop
- 27% phone
- 1% tablet
Japan
India
Indonesia
United States
Iraq
Pakistan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.73 / 10 · ranked #293,146 of all domains
76 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 0.0 MB · 2 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Automattic (WordPress.com) (192.0.78.172)
- DNS: Amazon Route 53
- Email: Amazon SES / WorkMail
- Email security: SPF (soft fail), DMARC monitor only, CAA, MTA-STS, BIMI
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 438,368, 14 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| techblog.heroz.jp | 17 |
| doubutsushogiwars.heroz.jp | 15 |
| shogiwars-cdn.heroz.jp | 15 |
| shogiwars.heroz.jp | 15 |
| www.heroz.jp | 15 |
| kishin-analytics.heroz.jp | 10 |
| herozask.heroz.jp | 7 |
| langchaindemo.heroz.jp | 7 |
| support.heroz.jp | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected PDF.js Jul 2026