What powers sanfranciscobookreview.com?
Last seen Oct 2026 · 28 technologies across 16 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Mobile frameworks
Performance
Photo galleries
Programming languages
Security
Tag managers
Video players
WordPress plugins
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 50% phone
- 50% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #327,457 of all domains
137 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| CLS | 0.05 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 3.9 MB · 145 requests
- WordPress theme: divi (child: divi-child-theme) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- San Francisco Book Review
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered Oct 2008 (18 years) via NameCheap, Inc., renews Oct 2027
- Hosted on Cloudflare (104.21.33.65, IPv6)
- DNS: Cloudflare DNS
- Email: mxroute.com
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 541,074, 2 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- detected Cloudflare Bot Management Sep 2026
- dropped Cloudflare Bot Management Aug 2026
- detected Site Kit Aug 2026
- detected Google Analytics for WooCommerce Jul 2026
- dropped Nginx May 2026
- detected Cloudflare Browser Insights Apr 2026
- detected HTTP/3 Apr 2026