What powers 
milneopentextbooks.org?
Last seen Oct 2026 · 18 technologies across 10 categories
Analytics
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
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
- Aug 2026 *: Restricted (was Blocked)
AI Crawlers
No AI crawlers blocked
Audience
- 75% desktop
- 25% phone
United States
India
Canada
Indonesia
Philippines
Nigeria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.72 / 10 · ranked #298,177 of all domains
125 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 9.5 MB · 94 requests
- WordPress theme: ost-theme · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Sep 2020 (6 years) via DreamHost, LLC, renews Sep 2027
- Hosted on DigitalOcean (138.197.163.92)
- DNS: reclaimhosting.com
- Email: milneopentextbooks.org
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 108,395, 2 hosts
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 HSTS Oct 2026
- dropped Open Graph Oct 2026
- dropped RankMath SEO Oct 2026
- detected RSS Oct 2026
- detected WP-Optimize Oct 2026
- dropped Apache HTTP Server Aug 2026
- detected Tailwind CSS Aug 2026
- detected HTTP/3 Jul 2026
- dropped RSS Jul 2026
- detected Twitter Emoji (Twemoji) Dec 2025