What powers erf.science?
Last seen Sep 2026 · 35 technologies across 19 categories
Analytics
Gauges
since Sep 2022
Google Analytics
since Oct 2022
Caching
WP Rocket
since Sep 2023
CDN
Cloudflare
since Jan 2023
jsDelivr
since Jul 2023
CMS
Databases
MySQL
since Sep 2022
Font scripts
Google Font API
since Sep 2022
Fundraising & donations
Donorbox
since Mar 2023
JavaScript libraries
Isotope
since Sep 2022
Lightbox
since May 2024
OWL Carousel
since Sep 2023
Swiper
since May 2024
Underscore.js
since May 2024
Miscellaneous
PaaS
Pressable
since Sep 2022
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Sep 2022
Security
Cloudflare Bot Management
since Jun 2023
HSTS
since Sep 2022
UI frameworks
Bootstrap
since May 2024
Video players
Vimeo
since Jun 2023
Web servers
Nginx
since Sep 2022
Webmail
Microsoft 365
since Mar 2025
WordPress plugins
WordPress themes
Understrap
since May 2024
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
Open Page Rank
3.06 / 10 · ranked #1,481,448 of all domains
17 referring domains · OpenPageRank
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 156.0 MB · 336 requests
- WordPress theme: understrap (child: understrap-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Education Resource Fund
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.26.14.127, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, CAA
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 247,026, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| erf.science | 25 |
| www.erf.science | 18 |