What powers ibcol.org?
Last seen Oct 2026 · 27 technologies across 12 categories
Analytics
Google Analytics
since Mar 2020
Caching
Varnish
since Jul 2020
CDN
cdnjs
since Nov 2022
Cloudflare
since Dec 2021
Fastly
since Jul 2020
jsDelivr
since Mar 2024
Unpkg
since Oct 2026
CMS
Google Sites
since Oct 2025
Font scripts
Google Font API
since Mar 2020
JavaScript libraries
Miscellaneous
Google Code Prettify
since Jul 2020
HTTP/3
since Nov 2022
Open Graph
since Nov 2023
PWA
since Nov 2023
PaaS
GitHub Pages
since Jul 2020
Programming languages
Ruby
since Jul 2020
UI frameworks
Web frameworks
Ruby on Rails
since Jul 2020
Webmail
Google Workspace
since Nov 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 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
1.80 / 10 · ranked #4,334,876 of all domains
8 referring domains · OpenPageRank
Page
- Language: English
- CDN: Fastly
- Weight: 0.4 MB · 17 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 9,727,251, 10 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| 2023.ibcol.org | 14 |
| 2024.ibcol.org | 14 |
| 2021.ibcol.org | 11 |
| ibcol.org | 11 |
| www.ibcol.org | 10 |
| 2025.ibcol.org | 7 |
| 2026.ibcol.org | 7 |