What powers 
aqua-calc.com?
Last seen Sep 2026 · 9 technologies across 6 categories
Analytics
CDN
Miscellaneous
Performance
Security
Tag managers
AI Crawlers
Restricts 2 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- ClaudeBot Restricted
Search and AI assistants
- OAI-SearchBot Restricted
The other 31 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
2 of 33 AI crawlers restricted
Standards: llms.txt
Audience
- 78% desktop
- 22% phone
United States
India
Canada
United Kingdom
Philippines
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #332,632 of all domains
143 referring domains · OpenPageRank
Search traffic
159,700 est. monthly organic visits (US)
63,288 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.2 MB · 18 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- AVCalc LLC
- Profiles: YouTube
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered Feb 2005 (21 years) via Cloudflare, Inc., renews Feb 2029
- Hosted on Cloudflare (172.66.40.107, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC reject, CAA
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 38,380, 2 hosts
- Verified with: Google, Meta Business, OpenAI
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
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Recent changes
- dropped Ezoic Nov 2025
- dropped web-vitals Nov 2025