What powers thecrowdedbookshelf.com?
Last seen Oct 2026 · 26 technologies across 16 categories
Analytics
CDN
CMS
Cookie compliance
Databases
Ecommerce
Font scripts
Hosting
IaaS
JavaScript libraries
Miscellaneous
Operating systems
PaaS
Programming languages
Security
Web servers
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- FacebookBot Blocked
- GPTBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- PetalBot 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 not found
- ai.txt not found
AI Crawlers
8 of 33 AI crawlers blocked
Audience
- 71% phone
- 29% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.90 / 10 · ranked #14,550,186 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare, Google
- Weight: 9.0 MB · 110 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (185.178.196.1, IPv6)
- DNS: GoDaddy DNS
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 25,318,276, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| thecrowdedbookshelf.com | 22 |
| www.thecrowdedbookshelf.com | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Varnish Oct 2026
- detected Cloudflare Bot Management Sep 2026
- detected Google Cloud Sep 2026
- detected Google Cloud CDN Sep 2026
- dropped jQuery CDN Sep 2026
- dropped Mixpanel Sep 2026
- detected Klaro Aug 2026
- detected Preact Aug 2026
- dropped core-js Jun 2026