What powers mrdekkai.com?
Last seen Oct 2026 · 21 technologies across 15 categories
Analytics
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Tag managers
Video players
Web servers
Widgets
WordPress plugins
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
AI Crawlers
No AI crawlers blocked
Audience
- 59% phone
- 41% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.60 / 10 · ranked #21,938,511 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 8.6 MB · 62 requests
- WordPress theme: twentytwentyfour · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 学校跡地の飯田橋でっかいレンタルスペース
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Xserver (85.131.221.48)
- DNS: Xserver
- Email: mrdekkai.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 19,529,362
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped cdnjs Aug 2026
- dropped Cloudflare Aug 2026
- dropped Font Awesome Aug 2026
- dropped Google AdSense Jul 2026
- dropped reCAPTCHA Jul 2026
- dropped Contact Form 7 Jun 2026
- detected Google Tag Manager Apr 2026
- detected jQuery Apr 2026
- detected jQuery Migrate Apr 2026
- detected MetaSlider Apr 2026
- detected VideoJS Apr 2026