What powers 
sembr.org?
Last seen Sep 2026 · 6 technologies across 4 categories
Analytics
CDN
Miscellaneous
Static site generator
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=no ai-input=no declared in robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, Content Signals
Open Page Rank
4.61 / 10 · ranked #384,601 of all domains
49 referring domains · OpenPageRank
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.0 MB · 6 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.43.140, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 661,521
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Cloudflare Network Error Logging Dec 2025
- dropped Netlify Dec 2025