What powers springcalculators.com?
Last seen Aug 2026 · 28 technologies across 16 categories
Analytics
Google Analytics
since Apr 2025
CDN
cdnjs
since Apr 2025
Cloudflare
since Apr 2025
Google Hosted Libraries
since Apr 2025
jsDelivr
since Apr 2025
Ecommerce
Cart Functionality
since Apr 2025
Font scripts
Google Font API
since Apr 2025
Hosting
GoDaddy
since Apr 2025
JavaScript frameworks
JavaScript libraries
OWL Carousel
since Apr 2025
Select2
since Apr 2025
Load balancers
Miscellaneous
Operating systems
Windows Server
since Apr 2025
Programming languages
Python
since Apr 2025
Security
reCAPTCHA
since Apr 2025
Tag managers
Google Tag Manager
since Apr 2025
UI frameworks
Web frameworks
Django
since Apr 2025
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 not found
- ai.txt not found
- Sep 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Open Page Rank
0.65 / 10 · ranked #20,730,209 of all domains
3 referring domains · OpenPageRank
Infrastructure
- Hosted on Amazon Web Services (216.150.1.1)
- DNS: GoDaddy DNS
- Email: GoDaddy Email
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 13,833,564
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted