Yarn, the modern JavaScript package manager
numpy.org
No paid content found
Multilingual
Categories: Development
Why NumPy? Powerful n-dimensional arrays. Numerical computing tools. Interoperable. Performant. Open source.
Website Overview
An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms.
Domain and Registration
Registered in 2000, this domain has about 26 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The registrar is NameCheap, Inc., a widely used domain service provider. The domain uses the common .org extension, which is not an independent safety signal.
DNS and Email
Nameservers are provided by Cloudflare, indicating managed DNS hosting. No CNAME was found; the observed records resolve directly to addresses. No MX record was found. A conventional explicit inbound-mail route is not configured. DNSSEC signatures were not detected, so this additional DNS authenticity protection is not confirmed. The lowest observed DNS TTL is 300 seconds.
TLS and Certificates
The public key uses EC with 256 bits. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued within the Google Trust Services cloud or CDN ecosystem. The certificate's total validity is about 90 days, consistent with a short renewal cycle.
HTTP and Browser Security
The checked browser-security headers were not detected, leaving fewer explicit browser-side safeguards. CORS permits any origin to read this response. This is common for public resources; sensitive responses need narrower handling. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The cf-ray, x-cache, x-served-by, via response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers.
Technology Stack Analysis
The public page identifies Cloudflare, Fastly without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
The Generator tag identifies Hugo 0.152.2, making the publishing system easier to fingerprint. No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. No Open Graph metadata was detected, so social previews may depend on platform inference. Twitter Card metadata is configured. The page declares 3 language or regional alternatives using hreflang.
Hosting and Email
Pages, Search and Sharing
| Meta description | Why NumPy? Powerful n-dimensional arrays. Numerical computing tools. Interoperable. Performant. Open source. |
|---|---|
| Canonical URL | Not detected |
| Language | English (default) · Multilingual |
| Twitter Card | summary_large_image |
Social Sharing Preview
4 fieldsrobots.txt (opens in a new tab)
0 rulesNo rules found
No matching rules.
Sitemaps
1
Registration details RDAP / WHOIS
| Registrar | NameCheap, Inc. |
|---|---|
| Registered | 2000-03-29 |
| Expires | 2029-03-29 |
| Domain status | client transfer prohibited |
| Nameservers | henry.ns.cloudflare.com、kristin.ns.cloudflare.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | numpy.org | 104.21.19.75 | 300 | — |
| A | numpy.org | 172.67.185.160 | 300 | — |
| AAAA | numpy.org | 2606:4700:3031::6815:134b | 300 | — |
| AAAA | numpy.org | 2606:4700:3036::ac43:b9a0 | 300 | — |
| NS | numpy.org | henry.ns.cloudflare.com | 86400 | — |
| NS | numpy.org | kristin.ns.cloudflare.com | 86400 | — |
| TXT | numpy.org | v=spf1 -all | 300 | — |
| DMARC | _dmarc.numpy.org | v=DMARC1; p=reject; rua=mailto:[email protected] | 300 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | numpy.org |
| Issuer | Google Trust Services |
| Valid until | 2026-11-07T01:39 · Remaining when checked: 66 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=utf-8 |
| cache-control | max-age=14400 |
| server | cloudflare |
| access-control-allow-origin | * |
Identified technologies
Recent Updates
- Website images
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