What powers ionis.io?
Last seen Aug 2026 · 29 technologies across 16 categories
Analytics
Google Analytics
since Jul 2024
CDN
Cloudflare
since Jul 2024
Editors
Summernote
since Jul 2024
Sendgrid
since Jul 2024
Font scripts
Google Font API
since Jul 2024
JavaScript frameworks
JavaScript graphics
ApexCharts.js
since Jan 2025
Chart.js
since Jul 2024
JavaScript libraries
Clipboard.js
since Jul 2024
Select2
since Jan 2025
SweetAlert2
since Jul 2024
Twitter typeahead.js
since Jul 2024
Miscellaneous
Performance
Turbolinks
since Jul 2024
Programming languages
Ruby
since Jul 2024
TypeScript
since Jul 2024
Rich text editors
UI frameworks
Web frameworks
Ruby on Rails
since Jul 2024
Web servers
Nginx
since Jul 2024
Widgets
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 66% desktop
- 34% phone
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.88 / 10 · ranked #14,997,802 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 3.2 MB · 71 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| alternance.ionis.io | 26 |
| scolarite.ionis.io | 19 |