What powers open4us.org?
Last seen Aug 2026 · 8 technologies across 8 categories
Caching
Varnish
since Aug 2022
CDN
Fastly
since Aug 2022
CMS
WordPress
since Jun 2020
Databases
MySQL
since Jun 2020
Font scripts
Miscellaneous
RSS
since Dec 2022
PaaS
GitHub Pages
since Jun 2023
Programming languages
PHP
since Jun 2020
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
4.40 / 10 · ranked #416,982 of all domains
61 referring domains · OpenPageRank
Page
- Language: English (United States)
- CDN: Fastly
- Weight: 1.8 MB · 41 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153, IPv6)
- DNS: Gandi
- Email: Gandi
- Email security: SPF (neutral), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 93,552, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted