What powers failheap-challenge.com?
Last seen Sep 2026 · 25 technologies across 14 categories
Advertising
Analytics
CDN
Font scripts
JavaScript frameworks
JavaScript libraries
Message boards
Miscellaneous
Operating systems
Programming languages
Security
Web frameworks
Web servers
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 only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
- Sep 2026 *: Restricted (was Allowed)
AI Crawlers
8 of 33 AI crawlers blocked
Standards: llms.txt, Content Signals
Open Page Rank
3.29 / 10 · ranked #1,136,834 of all domains
45 referring domains · OpenPageRank
Page
- Language: English
- CDN: Cloudflare
- Weight: 2.4 MB · 106 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.93.187, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned, SPF names Mailgun
- Email security: SPF (soft fail), DMARC reject, CAA
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 2,681,486, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| failheap-challenge.com | 23 |
| www.failheap-challenge.com | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Tag Manager Sep 2026