What powers open2ch.net?
Last seen Aug 2026 · 25 technologies across 15 categories
Analytics
CDN
Font scripts
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript Libraries
Miscellaneous
Performance
Programming languages
Security
UI frameworks
Web Frameworks
Wikis
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 25 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
AI Crawlers
8 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 82% phone
- 16% desktop
- 2% tablet
Japan
Indonesia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #340,903 of all domains
212 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- CDN: Cloudflare
- Weight: 0.1 MB · 13 requests
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| oz.open2ch.net | 10 |
| jintori.open2ch.net | 8 |
| kusa.open2ch.net | 8 |
| open2ch.net | 7 |
| r.open2ch.net | 6 |
| wiki.open2ch.net | 5 |
| awabi.open2ch.net | 4 |
| engawa.open2ch.net | 4 |
| find.open2ch.net | 4 |
| gif.open2ch.net | 4 |
| hayabusa.open2ch.net | 4 |
| hayabusa3.open2ch.net | 4 |
| hiroba.open2ch.net | 4 |
| ikura.open2ch.net | 4 |
| kohada.open2ch.net | 4 |
| menu.open2ch.net | 4 |
| open.open2ch.net | 4 |
| hope.open2ch.net | 2 |
| toro.open2ch.net | 2 |
| uni.open2ch.net | 2 |
| voice.open2ch.net | 2 |
| wktk.open2ch.net | 2 |
| anago.open2ch.net | 1 |
| hayabusa2.open2ch.net | 1 |