What powers poulsbohistory.org?
Last seen Sep 2026 · 30 technologies across 17 categories
Analytics
Google Analytics
since May 2025
CDN
Cloudflare
since May 2025
CMS
Databases
MySQL
since May 2025
Font scripts
Google Font API
since May 2025
Twitter Emoji (Twemoji)
since Sep 2026
JavaScript frameworks
JavaScript libraries
Lightbox
since Mar 2026
Underscore.js
since Sep 2026
Load balancers
Amazon ALB
since Aug 2026
Miscellaneous
Mobile frameworks
PaaS
Amazon Web Services
since Aug 2026
Page builders
Performance
Priority Hints
since May 2025
Programming languages
PHP
since May 2025
Security
Cloudflare Bot Management
since Dec 2025
UI frameworks
Animate.css
since Sep 2026
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.86 / 10 · ranked #4,039,544 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 13.6 MB · 116 requests
- WordPress theme: avantis · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.73.205)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 15,396,194
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Animate.css Sep 2026
- detected Backbone.js Sep 2026
- detected Colibri WP Sep 2026
- detected core-js Sep 2026
- detected FancyBox Sep 2026
- detected Google Font API Sep 2026
- detected Lodash Sep 2026
- detected Marionette.js Sep 2026
- detected Ninja Forms Sep 2026
- detected React Sep 2026
- detected Twitter Emoji (Twemoji) Sep 2026
- detected Underscore.js Sep 2026
- detected WordPress Site Editor Sep 2026
- detected Amazon ALB Aug 2026
- detected Amazon Web Services Aug 2026
- detected Lightbox Mar 2026
- dropped The Events Calendar Feb 2026
- dropped HSTS Jan 2026
- detected Cloudflare Bot Management Dec 2025
- dropped Google Font API Dec 2025