What powers kfchess.com?
Last seen Sep 2026 · 13 technologies across 9 categories
Analytics
Amplitude
since Apr 2025
Google Analytics
since May 2023
Font scripts
Google Font API
since Apr 2020
JavaScript frameworks
React
since Jul 2021
JavaScript graphics
Load balancers
Amazon ALB
since Sep 2021
Miscellaneous
HTTP/3
since Mar 2026
Open Graph
since Sep 2022
Operating systems
Ubuntu
since Apr 2020
PaaS
Amazon Web Services
since Sep 2021
Web servers
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 74% desktop
- 26% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.45 / 10 · ranked #2,576,699 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 1.6 MB · 15 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (35.167.158.216)
- DNS: Namecheap
- Email: Amazon SES / WorkMail
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 210,577, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.kfchess.com | 10 |
| kfchess.com | 5 |