What powers kvfr.org?
Last seen Sep 2026 · 28 technologies across 16 categories
Analytics
CDN
Font scripts
Hosting
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Programming languages
RUM
Search engines
Security
UI frameworks
Web frameworks
Web servers
Webmail
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Search and AI assistants
- PetalBot Blocked
The other 32 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
1 of 33 AI crawlers blocked
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.48 / 10 · ranked #6,688,367 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| CLS | 0.15 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 13.7 MB · 35 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (52.32.196.230)
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 17,777,645
- Verified with: Apple Business, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Ahoy Jul 2026
- detected Algolia Jul 2026
- detected AngularJS Jul 2026
- detected Apollo Jul 2026
- detected Apple iCloud Mail Jul 2026
- detected Bootstrap Jul 2026
- detected Chart.js Jul 2026
- detected Cloudflare Jul 2026
- detected Cloudflare Bot Management Jul 2026
- detected core-js Jul 2026
- detected Flickity Jul 2026
- detected GoDaddy Jul 2026
- detected Google Font API Jul 2026
- detected GraphQL Jul 2026
- detected hCaptcha Jul 2026
- detected HSTS Jul 2026
- detected Imgix Jul 2026
- detected jQuery Jul 2026
- detected Microsoft 365 Jul 2026
- detected Moment.js Jul 2026
- detected New Relic Jul 2026
- detected Nginx Jul 2026
- detected Open Graph Jul 2026
- detected Pendo Jul 2026
- detected reCAPTCHA Jul 2026
- detected Ruby Jul 2026
- detected Ruby on Rails Jul 2026
- detected TypeScript Jul 2026