What powers 
josselyn.org?
Last seen Sep 2026 · 42 technologies across 22 categories
Advertising
Simpli.fi
since Oct 2021
Analytics
Cloudflare Browser Insights
since Nov 2025
Google Analytics
since Apr 2020
Linkedin Insight Tag
since Mar 2023
CDN
Cloudflare
since Jan 2021
CMS
WordPress
since Jan 2021
Databases
MySQL
since Jan 2021
MailChimp
since Oct 2021
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Babel
since Jun 2021
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
RSS
since Dec 2022
Swiper Slider
since Jan 2021
Mobile frameworks
PaaS
WP Engine
since Oct 2021
Page builders
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Apr 2020
Security
Cloudflare Bot Management
since Oct 2024
Tag managers
Google Tag Manager
since Oct 2021
UI frameworks
Video players
YouTube
since Jan 2021
Webmail
Microsoft 365
since Jul 2024
Widgets
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 57% desktop
- 43% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.18 / 10 · ranked #463,737 of all domains
77 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0.3 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 3.4 MB · 98 requests
- WordPress theme: divi (child: orbitmedia) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.35.167, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 7,755,654, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| josselyn.org | 29 |
| www.josselyn.org | 27 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management Jun 2026
- dropped Cloudflare Bot Management May 2026
- detected Cloudflare Browser Insights Nov 2025