What powers vdaf.org?
Last seen Jun 2026 · 16 technologies across 15 categories
Analytics
Google Analytics
since Jan 2019
Statcounter
since Jan 2019
CDN
jQuery CDN
since Jun 2022
CMS
Joomla
since Dec 2023
Font scripts
Fundraising & donations
DonorPerfect
since Feb 2023
JavaScript libraries
Load balancers
Amazon ALB
since Sep 2021
Marketing automation
Constant Contact
since Sep 2021
Miscellaneous
HTTP/3
since Dec 2024
PaaS
Amazon Web Services
since Sep 2021
Programming languages
Security
HSTS
since Dec 2024
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web servers
LiteSpeed
since Dec 2024
Audience
- 71% phone
- 29% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.78 / 10 · ranked #2,023,532 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United Kingdom)
- Weight: 3.3 MB · 85 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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