What powers dohack.jp?
Last seen Oct 2026 · 25 technologies across 17 categories
Advertising
Google AdSense
since Apr 2018
Analytics
Google Analytics
since Jun 2018
TrackJs
since Jun 2017
Caching
WP Rocket
since Mar 2024
CDN
cdnjs
since Oct 2022
Cloudflare
since Oct 2022
CMS
WordPress
since Jun 2017
Databases
MySQL
since Jun 2018
Font scripts
Google Font API
since Aug 2017
JavaScript frameworks
React
since Jun 2018
JavaScript libraries
Closure Library
since Jun 2025
Miscellaneous
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Nov 2023
Programming languages
SEO
Web servers
Apache HTTP Server
since Jun 2017
Widgets
Google Plus
since Jun 2017
Twitter
since Jun 2017
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 80% phone
- 19% desktop
- 1% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.86 / 10 · ranked #1,859,808 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- Weight: 0.5 MB · 19 requests
- WordPress theme: jstork19 (child: jstork19_custom) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on GMO Internet (157.7.189.72)
- DNS: heteml.jp
- Email: hetemail.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 10,339,145
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| dohack.jp | 15 |
| www.dohack.jp | 14 |