What powers 
whowasbookseries.com?
Last seen Sep 2026 · 22 technologies across 16 categories
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Segmentation
SEO
Tag managers
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 55% desktop
- 45% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.68 / 10 · ranked #772,111 of all domains
79 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0.5 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 1.6 MB · 53 requests
- WordPress theme: who-was · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Fastly (23.185.0.2, IPv6)
- DNS: Amazon Route 53
- Email: Mimecast
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 447,840
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Tealium Consent Management Sep 2026
- detected Twitter Emoji (Twemoji) Mar 2026
- dropped Tealium Consent Management Jan 2026
- detected Google Analytics Nov 2025