What powers upsize.fr?
Last seen Sep 2026 · 29 technologies across 19 categories
Advertising
Analytics
CDN
CMS
Customer data platform
Databases
Ecommerce
Font scripts
Hosting panels
JavaScript libraries
Miscellaneous
PaaS
Page builders
Performance
Programming languages
Security
Segmentation
Tag managers
Web servers
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 Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 100% desktop
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.37 / 10 · ranked #7,790,188 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on OVHcloud (51.91.158.39, IPv6)
- Email: OVHcloud
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 38,057,811
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Complianz Sep 2026
- dropped Site Kit Sep 2026
- dropped Tailwind CSS Sep 2026
- dropped WP Rocket Sep 2026