What powers le-cep.org?
Last seen Oct 2026 · 14 technologies across 7 categories
Analytics
CDN
Ecommerce
JavaScript frameworks
Miscellaneous
Security
UI frameworks
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 25 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
AI Crawlers
8 of 33 AI crawlers blocked
Standards: Content Signals
Audience
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.04 / 10 · ranked #3,490,902 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5 s |
| INP | 150 ms |
| CLS | 0.5 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 42.0 MB · 168 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Centre d'études et de prospective sur la science
- Sector: other voluntary membership organizations (France)
- Country: France
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.21.69.145, IPv6)
- Email: OVHcloud
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Oct 2026
- Common Crawl link graph: rank 2,849,911, 3 hosts
DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Astra May 2026
- dropped Choices May 2026
- dropped Cookie Notice May 2026
- dropped core-js May 2026
- dropped Dropzone May 2026
- dropped Google Font API May 2026
- dropped jQuery May 2026
- dropped jQuery Migrate May 2026
- dropped MySQL May 2026
- dropped PHP May 2026
- dropped Priority Hints May 2026
- dropped reCAPTCHA May 2026
- dropped Site Kit May 2026
- dropped Spectra May 2026
- dropped Swiper May 2026
- dropped TablePress May 2026
- dropped Twitter Emoji (Twemoji) May 2026
- dropped Underscore.js May 2026
- dropped WooCommerce May 2026
- dropped WordPress May 2026
- dropped WordPress Block Editor May 2026
- dropped WPForms May 2026
- dropped Yoast SEO May 2026
- detected Cart Functionality Apr 2026
- detected HSTS Apr 2026
- detected Open Graph Apr 2026
- detected Radix UI Apr 2026
- detected React Apr 2026
- detected React Router Apr 2026
- detected shadcn/ui Apr 2026
- detected Tailwind CSS Apr 2026
- detected Tinybird Apr 2026
- detected Cloudflare Feb 2026
- detected Cloudflare Browser Insights Feb 2026
- detected HTTP/3 Feb 2026
- detected Swiper Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025