What powers erwinfei.com?
Last seen Apr 2025 · 20 technologies across 15 categories
Analytics
Google Analytics
since Apr 2025
CDN
Cloudflare
since Apr 2025
Customer data platform
Segment
since Apr 2025
Font scripts
Font Awesome
since Apr 2025
Google Font API
since Apr 2025
Hosting
GoDaddy
since Apr 2025
Issue trackers
Sentry
since Apr 2025
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Apr 2025
Webpack
since Apr 2025
Programming languages
Node.js
since Apr 2025
RUM
Datadog
since Apr 2025
Security
Cloudflare Bot Management
since Apr 2025
Tag managers
Google Tag Manager
since Apr 2025
UI frameworks
Chakra UI
since Apr 2025
Webmail
Microsoft 365
since Apr 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
0.10 / 10 · ranked #110,851,480 of all domains
0 referring domains · OpenPageRank
Infrastructure
- Hosted on Amazon Web Services (3.33.251.168)
- DNS: GoDaddy DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: GoDaddy, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 31,587,584, 3 hosts
- Verified with: OpenAI
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted