What powers pier39.ai?
Last seen Oct 2026 · 20 technologies across 12 categories
Analytics
CDN
CMS
Font scripts
IaaS
Issue trackers
JavaScript frameworks
Miscellaneous
Performance
Programming languages
Security
UI frameworks
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026. A recent check saw a policy file missing; awaiting confirmation.
Training crawlers
- Applebot-Extended Allowed
- CCBot Allowed
- ClaudeBot Allowed
- GPTBot Allowed
Search and AI assistants
- Amazonbot Allowed
- PerplexityBot Allowed
The other 27 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
No AI crawlers blocked
Standards: llms.txt
Audience
- 74% phone
- 24% desktop
- 2% tablet
United States
Canada
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.77 / 10 · ranked #4,500,514 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Google
- Weight: 9.3 MB · 63 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Pier39 AI
- Profiles: LinkedIn
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Google Cloud (34.54.214.134)
- DNS: Namecheap
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 2,424,238, 9 hosts
- Verified with: Firebase, Google, LinkedIn
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| app.pier39.ai | 14 |
| pier39.ai | 11 |
Full technology history →
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Recent changes
- dropped Amazon S3 Sep 2026
- dropped Amazon Web Services Sep 2026
- dropped core-js Sep 2026
- dropped Google Analytics Sep 2026
- dropped LiveIntent Sep 2026
- detected Plausible Sep 2026
- dropped Skimlinks Sep 2026
- dropped Turbopack Sep 2026
- detected Framer Sites Aug 2026
- detected Google Cloud Trace Aug 2026
- detected Google Font API Aug 2026
- detected HSTS Aug 2026
- detected Skimlinks Jul 2026
- detected Turbopack May 2026