🌐 unpkg.dev 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
✨ About this site
This site serves as a content delivery network specifically designed for the npm ecosystem, providing developers with a fast and reliable way to load JavaScript packages and other web assets directly from URLs. The name combines "unpkg"—a playful portmanteau of "un-package" referencing the removal of traditional packaging barriers—with the ".dev" top-level domain commonly used for developer tools. It is a widely recognized and frequently utilized resource within the global web development community.
📊 What the data says
The website is currently reachable with a 200 HTTP status and is hosted on Cloudflare. Its technical stack includes Google Analytics, Google Tag Manager, Bootstrap, React, and Vue.js. The SSL certificate is valid until December 17, 2026.
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 58d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 131d
Hosting ?The company and location where this website's server is physically located.Read more →
Unknown
Security ?Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
0/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
104.21.63.96
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
100%
⚡ Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.

🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 6
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📊 Analytics
Google Analytics Google Tag Manager
🌐 CDN
Cloudflare
🎨 CSS Framework
Bootstrap
⚡ JS Framework
React Vue.js
🔗 Shared Identifiers 1
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Tracking / monetisation identifiers found on this site that also appear on other domains.

Universal Analytics UA-140352188
1 other domain shares this identifier
unpkg.com
📸 Screenshot Processing...
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Screenshot is being captured...

🌐 DNS Records ?DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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A (IPv4)104.21.63.96172.67.145.31
AAAA (IPv6)2606:4700:3037::6815:3f602606:4700:3033::ac43:911f
NSweston.ns.cloudflare.comalexia.ns.cloudflare.com
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarCloudFlare, Inc.
Registered2019-02-28
Expires2027-02-28 (in 131 days)
Last Updated2025-10-09
Statusclient transfer prohibited
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)unpkg.dev
IssuerGoogle Trust Services
Valid From2026-09-18
Valid Until2026-12-17 (58 days left)
SANs (2)unpkg.devapp.unpkg.dev
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
Servercloudflare
Content-Typetext/html; charset=utf-8
Final URLhttps://unpkg.dev/
cache-controlpublic, max-age=60, s-maxage=300
cf-raya4d3ed307dc3b68c-DFW
Security headers ?HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
HSTS
Content-Security-Policy
X-Frame-Options
🏠 Hosting ?Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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IP Address104.21.63.96
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score F (1/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
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Open to search engines
This site's robots.txt lets crawlers access its main content. Search engines can index it normally.
No paths are disallowed — everything is crawlable.
Sitemap Not found
🔗 Social & Meta Tags Complete
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TitleUNPKG
DescriptionThe CDN for everything on npm
OG TitleUNPKG
OG DescriptionThe CDN for everything on npm
OG Imagehttps://unpkg.dev/social-card.png
OG preview
OG Typewebsite
OG Site NameUNPKG
Twitter Cardsummary_large_image
Languageen
📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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SPFNot set
DMARCNot set
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 7 active 2 for sale 14 available
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.com ●
.net ●
.org taken
.info taken
.io ●
.co ●
.dev current
.app Available
.me ●
.biz Available
.eu Available
.xyz ●
.fi Available
.se Available
.de Available
.uk Available
.fr Available
.nl Available
.es Available
.it Available
.us Available
.ca Available
.com.au Available
.co.uk ●
📡 Uptime Monitor
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Current Status 🟢 Online
HTTP Status 200
Response Time 514ms
Last Checked 2026-10-19 17:45:25.457125
Uptime (30d) 100%
🔗 Similar Sites 1
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unpkg.com 100%

Similarity based on content analysis. More results appear as more domains are indexed.