What powers useful.codes?
Last seen Aug 2026 · 20 technologies across 11 categories
Advertising
Google AdSense
since Mar 2025
Analytics
Google Analytics
since Feb 2025
Snowplow Analytics
since Aug 2025
CDN
Cloudflare
since Feb 2025
jsDelivr
since Feb 2025
Font scripts
Google Font API
since Aug 2026
JavaScript libraries
Miscellaneous
HTTP/3
since Feb 2025
Open Graph
since Feb 2025
Programming languages
Python
since Feb 2025
Security
Tag managers
Google Tag Manager
since May 2025
UI frameworks
Bootstrap
since Feb 2025
Web frameworks
Django
since Feb 2025
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
2.23 / 10 · ranked #3,021,874 of all domains
7 referring domains · OpenPageRank
Infrastructure
- Hosted on Cloudflare (104.21.22.84)
- DNS: Cloudflare DNS
- Email: Cloudflare Email Routing
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Oct 2026
- Common Crawl link graph: rank 6,727,014
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted