What powers calibrescientific.com.br?
Last seen Oct 2026 · 30 technologies across 15 categories
Analytics
CDN
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
PaaS
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Performance
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Security
Tag managers
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Web servers
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Allowed
- Bytespider Allowed
- CCBot Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GoogleOther Allowed
- GPTBot Allowed
- meta-externalagent Allowed
Search and AI assistants
- Amazonbot Allowed
- Applebot Allowed
- Claude-SearchBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
- YouBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
- meta-externalfetcher Allowed
- MistralAI-User Allowed
- Perplexity-User Allowed
The other 14 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 bytespider added to robots.txt
- Sep 2026 ccbot added to robots.txt
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 claude-web added to robots.txt
- Sep 2026 claude-user added to robots.txt
- Sep 2026 claude-searchbot added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 90% desktop
- 10% phone
Brazil
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.30 / 10 · ranked #8,605,845 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Portuguese (Brazil)
- CDN: Azion
- Weight: 3.9 MB · 270 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (18.218.172.77)
- DNS: Cloudflare DNS
- Email: Hornetsecurity
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 97,292,090
- Verified with: Adobe, Atlassian, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- detected Amazon S3 Oct 2026
- detected Amazon Web Services Oct 2026
- detected Google Tag Manager Oct 2026
- detected HSTS Oct 2026
- detected Java Oct 2026
- detected Kestrel Oct 2026
- detected Microsoft ASP.NET Oct 2026
- detected Microsoft Clarity Oct 2026
- detected Open Graph Oct 2026
- detected PayPal Oct 2026
- detected PerimeterX Oct 2026
- detected Priority Hints Oct 2026
- detected Wake Oct 2026