What powers cal.services?
Last seen Oct 2026 · 10 technologies across 7 categories
CDN
jsDelivr
since Jan 2026
IaaS
Google Cloud
since Aug 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Babel
since Aug 2022
Google Cloud Storage
since Aug 2022
UI frameworks
Ant Design
since Aug 2022
Web servers
AI Crawlers
robots.txt could not be read at the last check (Nov 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 54% desktop
- 46% phone
United States
Bangladesh
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.77 / 10 · ranked #269,212 of all domains
109 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.8 s |
| INP | 100 ms |
| CLS | 0.2 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Google
- Weight: 1.5 MB · 17 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Jul 2018 (8 years) via MarkMonitor Inc., renews Jul 2028
- Hosted on Google Cloud (35.229.32.227)
- DNS: Google Cloud DNS
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 6,754,225
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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