What powers sb.sb?
Last seen Oct 2026 · 11 technologies across 7 categories
Analytics
CDN
Font scripts
Miscellaneous
PaaS
Security
AI Crawlers
Restricts 15 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- Applebot-Extended Restricted
- Bytespider Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- Google-Extended Restricted
- GPTBot Restricted
- meta-externalagent Restricted
Search and AI assistants
- Amazonbot Restricted
- Applebot Restricted
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 18 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
- Oct 2026 llms-full.txt appeared
- Oct 2026 llms.txt appeared
AI Crawlers
15 of 33 AI crawlers restricted
Standards: llms.txt, llms-full.txt
Audience
- 70% desktop
- 30% phone
United States
Japan
Hong Kong SAR China
China
Singapore
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.82 / 10 · ranked #1,933,921 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Chinese
- CDN: Cloudflare
- Weight: 0.2 MB · 28 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 烧饼论坛
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.51.138, IPv6)
- DNS: dns.sb
- Email: Fastmail
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 11,611,139, 4 hosts
- Verified with: Google, Keybase
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Cloud Oct 2026
- dropped Hugo Oct 2026
- dropped Nginx Oct 2026
- detected Twitter Emoji (Twemoji) Oct 2026