What powers arcfdl.org?
Last seen Jun 2026 · 24 technologies across 19 categories
Accessibility
AccessiBe
since Mar 2026
Analytics
Google Analytics
since Oct 2022
CMS
Comment systems
Databases
MySQL
since Oct 2022
Font scripts
Google Font API
since Oct 2022
Fundraising & donations
Kindful
since Feb 2023
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Open Graph
since Jul 2024
RSS
since Dec 2022
Performance
LazySizes
since Jul 2024
Priority Hints
since Jul 2024
Programming languages
PHP
since Oct 2022
Security
HSTS
since Oct 2023
UI frameworks
Video players
Vimeo
since Jul 2024
Web servers
Webmail
Google Workspace
since Oct 2022
WordPress plugins
WP-Optimize
since Mar 2026
Audience
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.75 / 10 · ranked #4,629,518 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.1 s |
| CLS | 0 |
| TTFB | 2200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- Weight: 0.7 MB · 12 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Really Simple SSL & Security Jun 2026
- dropped Lightbox Apr 2026
- dropped Modernizr Apr 2026
- dropped Site Kit Apr 2026
- dropped Google Maps Mar 2026
- dropped jQuery Migrate Mar 2026
- dropped MediaElement.js Mar 2026
- dropped reCAPTCHA Mar 2026
- dropped YouTube Mar 2026