What powers gcf.at?
Last seen Apr 2023 · 25 technologies across 15 categories
CMS
Databases
MySQL
since Jul 2020
Font scripts
Font Awesome
since Jul 2020
Hosting
World4You
since Aug 2022
JavaScript graphics
Chart.js
since Jul 2020
JavaScript libraries
Isotope
since Jul 2021
Modernizr
since Jul 2020
OWL Carousel
since May 2021
prettyPhoto
since May 2021
Swiper
since Sep 2022
Maps
Google Maps
since Jul 2020
Miscellaneous
RSS
since Dec 2022
Page builders
wpBakery
since Jul 2021
Programming languages
PHP
since Jul 2020
Security
HSTS
since Sep 2022
UI frameworks
Bootstrap
since May 2021
Video players
Web servers
Nginx
since Oct 2020
WordPress plugins
Borlabs Cookie
since Jul 2021
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
Open Page Rank
2.60 / 10 · ranked #2,325,640 of all domains
24 referring domains · OpenPageRank
Infrastructure
- Hosted on Cloudflare (162.159.137.9)
- DNS: server-routing.com
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 17,376,405, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted