What powers hepdata.net?
Last seen Apr 2026 · 14 technologies across 12 categories
Advertising
Twitter Ads
since Feb 2024
Analytics
Google Analytics
since Mar 2020
CDN
Cookie compliance
Font scripts
Google Font API
since Mar 2020
JavaScript graphics
JavaScript libraries
Miscellaneous
HTTP/3
since Apr 2026
Programming languages
Python
since Feb 2024
UI frameworks
Web servers
gunicorn
since Feb 2024
Widgets
Twitter
since Mar 2020
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
4.10 / 10 · ranked #503,412 of all domains
74 referring domains · OpenPageRank
Infrastructure
- Hosted on Cloudflare (104.21.17.154, IPv6)
- DNS: Cloudflare DNS
- Email: hosts.co.uk
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 538,790, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Nginx Apr 2026