What powers drscratch.org?
Last seen Jun 2026 · 14 technologies across 12 categories
Analytics
CDN
Cloudflare
since Sep 2022
jsDelivr
since Nov 2025
Font scripts
Hosting
IONOS
since Sep 2022
JavaScript libraries
Operating systems
Ubuntu
since Jan 2021
Programming languages
Python
since Jan 2021
Security
Cloudflare Bot Management
since Sep 2022
UI frameworks
Video players
Vimeo
since Sep 2022
Web frameworks
Django
since Jan 2021
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not checked
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.65 / 10 · ranked #2,242,340 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on Google Cloud (34.71.244.47)
- DNS: IONOS
- Email: IONOS
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,986,089, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| drscratch.org | 12 |
| www.drscratch.org | 9 |