What powers ibuku.jp?
Last seen Aug 2026 · 21 technologies across 14 categories
Analytics
CDN
Amazon S3
since Apr 2026
Google Hosted Libraries
since Feb 2022
CMS
WordPress
since Mar 2020
Databases
MySQL
since Mar 2020
Font scripts
Google Font API
since Mar 2020
Hosting
Xserver
since Aug 2022
JavaScript libraries
Maps
Google Maps
since Mar 2020
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
PaaS
Amazon Web Services
since Apr 2026
Programming languages
PHP
since Mar 2020
Tag managers
Google Tag Manager
since Mar 2020
Web servers
Nginx
since Mar 2020
WordPress plugins
WP-PageNavi
since Feb 2022
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 Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 95% phone
- 3% tablet
- 2% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.97 / 10 · ranked #1,648,056 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 125 ms |
| CLS | 0.85 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 16.2 MB · 183 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Amazon S3 Jul 2026
- detected Amazon Web Services Jul 2026
- detected core-js Jul 2026
- detected Facebook Pixel Jul 2026
- detected Google Analytics Jul 2026
- detected Google Font API Jul 2026
- detected Google Hosted Libraries Jul 2026
- detected Google Maps Jul 2026
- detected Google Tag Manager Jul 2026
- detected Hotjar Jul 2026
- detected jQuery Jul 2026
- detected Lightbox Jul 2026
- detected MySQL Jul 2026
- detected Nginx Jul 2026
- detected Open Graph Jul 2026
- detected PHP Jul 2026
- detected RSS Jul 2026
- detected Slick Jul 2026
- detected WordPress Jul 2026
- detected WP-PageNavi Jul 2026
- detected Xserver Jul 2026
- detected Amazon S3 Apr 2026
- detected Amazon Web Services Apr 2026