What powers gfbfes.com?
Last seen Aug 2026 · 26 technologies across 14 categories
Analytics
CMS
Databases
Font scripts
JavaScript libraries
Maps
Miscellaneous
Page builders
Performance
Programming languages
Security
Web servers
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.07 / 10 · ranked #3,410,944 of all domains
30 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 4900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 52.9 MB · 271 requests
- WordPress theme: lightning (child: lightning-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- GFB - つくばロックフェス -
- Profiles: X
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on GMO Internet (118.27.125.221)
- DNS: Lolipop
- Email: Lolipop
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 12,122,267
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025