What powers stackreaction.com?
Last seen Aug 2026 · 16 technologies across 9 categories
Analytics
Cloudflare Browser Insights
since Aug 2022
Google Analytics
since Aug 2022
Microsoft Clarity
since Aug 2022
Authentication
NextAuth.js
since Sep 2023
CDN
Cloudflare
since Aug 2022
JavaScript frameworks
Miscellaneous
Performance
Priority Hints
since Sep 2023
Programming languages
Node.js
since Aug 2022
Tag managers
Google Tag Manager
since Aug 2022
UI frameworks
Headless UI
since Aug 2022
Tailwind CSS
since Aug 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Open Page Rank
1.96 / 10 · ranked #3,685,774 of all domains
17 referring domains · OpenPageRank
Infrastructure
- Hosted on Cloudflare (104.21.26.76, IPv6)
- DNS: Cloudflare DNS
- Email: Cloudflare Email Routing
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Oct 2026
- Common Crawl link graph: rank 7,910,192, 3 hosts
- Verified with: Google, Yandex Webmaster
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted