What powers sigma-l.net?
Last seen Jul 2026 · 19 technologies across 13 categories
Advertising
Twitter Ads
since Feb 2023
Analytics
Blogs
Substack
since Aug 2022
CDN
Cloudflare
since Aug 2022
Mailgun
since Jun 2024
Issue trackers
JavaScript frameworks
React
since Feb 2026
JavaScript libraries
Preact
since Aug 2022
Miscellaneous
Performance
Priority Hints
since Mar 2026
Programming languages
Node.js
since Aug 2022
Security
Cloudflare Bot Management
since Aug 2022
HSTS
since Sep 2022
Web frameworks
Express
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
0.24 / 10 · ranked #70,276,039 of all domains
1 referring domains · OpenPageRank
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Recent changes
- detected Priority Hints Mar 2026