What powers fdback.io?
Last seen Sep 2026 · 22 technologies across 13 categories
Analytics
CMS
Development
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
AI Crawlers
Blocks 10 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- ClaudeBot Blocked
- GoogleOther Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- Claude-SearchBot Blocked
- PetalBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 23 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
- ai.txt not found
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 claude-searchbot added to robots.txt
- Sep 2026 bytespider added to robots.txt
- Sep 2026 petalbot added to robots.txt
- Sep 2026 amazonbot added to robots.txt
- Sep 2026 applebot-extended added to robots.txt
AI Crawlers
10 of 33 AI crawlers blocked
Standards: llms.txt
Open Page Rank
1.48 / 10 · ranked #6,653,228 of all domains
4 referring domains · OpenPageRank
Page
- Language: English
- CDN: Vercel
- Weight: 1.8 MB · 79 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (216.150.1.1)
- DNS: Vercel
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only, CAA
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 2,140,321, 10 hosts
- Verified with: Google, Zoho
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| keyauth.fdback.io | 17 |
| fdback.io | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Tag Manager Feb 2026