What powers congressvotetracker.org?
Last seen Aug 2026 · 8 technologies across 7 categories
Caching
Varnish
since Jun 2026
CDN
Fastly
since Jun 2026
Comment systems
Maps
Miscellaneous
Open Graph
since Jun 2026
RSS
since Jun 2026
PaaS
GitHub Pages
since Jun 2026
UI frameworks
USWDS
since Jul 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt found
- ai.txt found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, ai.txt
Audience
- 56% desktop
- 44% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.40 / 10 · ranked #36,992,605 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.4 MB · 25 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
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