What powers signfordeaf.com?
Last seen Oct 2026 · 17 technologies across 15 categories
Analytics
CDN
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
Web frameworks
Web servers
Webmail
AI Crawlers
Restricts 17 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- FacebookBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
- meta-externalagent Restricted
Search and AI assistants
- Amazonbot Restricted
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
- YouBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 16 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=yes ai-input=yes declared in robots.txt
AI Crawlers
17 of 33 AI crawlers restricted
Standards: Content Signals
Audience
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.52 / 10 · ranked #6,319,123 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 5.8 MB · 104 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (18.196.168.235)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: no SPF record, DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 14,197,839, 4 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Ubuntu Oct 2026
- dropped cdnjs Apr 2026
- dropped Cloudflare Apr 2026
- detected Priority Hints Mar 2026