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Vercel
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🐻 Bear necessities for state management in React
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jotai.org
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Categories: Development
Jotai takes a bottom-up approach to global React state management with an atomic model inspired by Recoil. One can build state by combining atoms and renders are optimized based on atom dependency. This solves the extra re-render issue of React context and eliminates the need for memoization.
Updated: 2026-09-03 16:35
Language: English (default)
Access: Normal
Profile views 5
Outbound visits 4
Website Overview
Identifiable technologies and additional version or configuration signals make the service easier to fingerprint, which may help targeted scanners narrow their checks. An active inbound-mail setup with incomplete authentication may leave the domain more open to impersonation. Provider hosting alone does not close that gap.
Domain and Registration
Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain has about 4 years of registration history; its current configuration provides more context than age alone. 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
MX records exist, but SPF, DKIM and DMARC were not detected. Protection against domain impersonation may be incomplete. Nameservers are provided by DigitalOcean, indicating managed DNS hosting. MX records point to the Google Workspace email service. No CNAME was found; the observed records resolve directly to addresses. TXT records include verification markers for Google. Such markers may also remain after a service stops being used.
TLS and Certificates
The certificate uses an RSA 2048-bit public key, offering broad client compatibility. 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 by Let's Encrypt, commonly associated with automated certificate services. The certificate's total validity is about 89 days, consistent with a short renewal cycle.
HTTP and Browser Security
The response lacks these common security headers: CSP, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, clickjacking protection. 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. No obvious internal addresses or debug information were found in the headers. The Server header contains the custom value Vercel.
Technology Stack Analysis
The public page identifies Gatsby 4.25.9, Tailwind CSS, Google Analytics, Vercel, with exact versions exposed for 1 technologies. These details can narrow vulnerability checks, although exposure alone is not a vulnerability.
Search and Social Sharing
No homepage meta description was detected, leaving snippet selection more dependent on page text. The Generator tag identifies Gatsby 4.25.9, making the publishing system easier to fingerprint. The title has 56 characters, within a common display range. The observed directives allow indexing and link following. A viewport declaration is present, providing a basis for mobile layout.
Hosting and Email
Pages, Search and Sharing
| Meta description | Not detected |
|---|---|
| Canonical URL | https://jotai.org |
| Language | English (default) |
| Twitter Card | Not detected |
Social Sharing Preview
5 fieldsSharing metadata
| og:url | https://jotai.org |
|---|---|
| og:type | website |
| og:image | https://cdn.candycode.com/jotai/jotai-opengraph-v2.png |
| og:title | Jotai, primitive and flexible state management for React |
| og:description | Jotai takes a bottom-up approach to global React state management with an atomic model inspired by Recoil. One can build state by combining atoms and renders are optimized based on atom dependency. This solves the extra re-render issue of React context and eliminates the need for memoization. |
robots.txt (opens in a new tab)
1 rulesAll bots 1 allowed · 0 disallowed
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Sitemaps
1
Registration details RDAP / WHOIS
| Registrar | NameCheap, Inc. |
|---|---|
| Registered | 2021-11-09 |
| Expires | 2026-11-09 |
| Domain status | client transfer prohibited |
| Nameservers | ns1.digitalocean.com、ns2.digitalocean.com、ns3.digitalocean.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | jotai.org | 76.76.21.21 | 3600 | — |
| MX | jotai.org | aspmx.l.google.com | 1800 | 1 |
| MX | jotai.org | alt1.aspmx.l.google.com | 1800 | 5 |
| MX | jotai.org | alt2.aspmx.l.google.com | 1800 | 5 |
| MX | jotai.org | alt3.aspmx.l.google.com | 1800 | 10 |
| MX | jotai.org | alt4.aspmx.l.google.com | 1800 | 10 |
| NS | jotai.org | ns1.digitalocean.com | 1800 | — |
| NS | jotai.org | ns2.digitalocean.com | 1800 | — |
| NS | jotai.org | ns3.digitalocean.com | 1800 | — |
| TXT | jotai.org | google-site-verification=OUyKSRLAfJLwEh-qbK3Vgk6-MgxfrtKNuzNi1pj2xFE | 3600 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | jotai.org |
| Issuer | Let's Encrypt |
| Valid until | 2026-10-05T21:00 · Remaining when checked: 32 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=utf-8 |
| cache-control | public, max-age=0, must-revalidate |
| server | Vercel |
| strict-transport-security | max-age=63072000 |
| access-control-allow-origin | * |
Identified technologies
Gatsby 4.25.9Tailwind CSSGoogle AnalyticsVercel
Recent Updates
- DNS Information
- Website images
- Screenshots
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