CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵Missing X-Frame-Options
The site can be embedded in iframes by third parties (clickjacking risk).
HTTP Status Code200 HTTP VersionHTTP/1.1 HTTPS✔ Available IP Address104.26.13.82 Server SoftwareVercel CDNVercel Compressiongzip ℹ 🔵Missing Content Security PolicyCSP is not configured. It helps prevent XSS attacks and content injection. ℹ 🔵Missing X-Frame-OptionsThe site can be embedded in iframes by third parties (clickjacking risk).
Redirect Chain
#
URL
HTTP Status Code
Status
1
https://cdn.skypack.dev:443
301
HTTP/2 301
2
https://www.skypack.dev/
200
HTTP/2 200
#1 URLhttps://cdn.skypack.dev:443 HTTP Status Code301 StatusHTTP/2 301 #2 URLhttps://www.skypack.dev/ HTTP Status Code200 StatusHTTP/2 200
Performance
DNS Lookup
22.8 ms
TCP Connect
23.8 ms
TLS Handshake
6.8 ms
Time To First Byte (TTFB)
44.4 ms
Content Download
0.3 ms
Total Response Time
44.7 ms
DNS Lookup22.8 ms TCP Connect23.8 ms TLS Handshake6.8 ms Time To First Byte (TTFB)44.4 ms Content Download0.3 ms Total Response Time44.7 ms
Security
HTTPS
✔ Enabled
HSTS
✔ max-age=63072000
CSP
⚠ Not configured
X-Frame-Options
⚠ Not configured
X-Content-Type-Options
⚠ Not configured
HTTP/2
⚠ HTTP/1.1
HTTPS✔ Enabled HSTS✔ max-age=63072000 CSP⚠ Not configured X-Frame-Options⚠ Not configured X-Content-Type-Options⚠ Not configured HTTP/2⚠ HTTP/1.1
SEO Quick Check
Title
Skypack: search millions of open source JavaScript packages
Meta Description
Search millions of open source JavaScript packages on Skypack. Free to use.
Open Graph Title
Skypack: search millions of open source JavaScript packages
Open Graph Description
Search millions of open source JavaScript packages on Skypack. Free to use.
TitleSkypack: search millions of open source JavaScript packages Meta DescriptionSearch millions of open source JavaScript packages on Skypack. Free to use. Open Graph TitleSkypack: search millions of open source JavaScript packages Open Graph DescriptionSearch millions of open source JavaScript packages on Skypack. Free to use. Open Graph Imagehttps://www.skypack.dev/assets/skypack-social-default.png Twitter Cardsummary Twitter TitleSkypack: search millions of open source JavaScript packages Twitter DescriptionSearch millions of open source JavaScript packages on Skypack. Free to use. Twitter Imagehttps://www.skypack.dev/assets/skypack-social-default.png
Detected Technologies
Technology
ReactBootstrapGoogle AnalyticsGoogle Tag ManagerCloudflare
TechnologyReactBootstrapGoogle AnalyticsGoogle Tag ManagerCloudflare
HTTP Headers
Age
73
Cache-control
public
Content-encoding
gzip
Content-type
text/html;charset=utf-8
Date
Wed, 19 Aug 2026 23:47:36 GMT
Server
Vercel
Strict-transport-security
max-age=63072000
X-vercel-cache
STALE
X-vercel-id
cdg1::sfo1::pvrzz-1787183329455-9a18b8ab352f
Meta Tags
Viewport
width=device-width, initial-scale=1
Description
Search millions of open source JavaScript packages on Skypack. Free to use.
Viewportwidth=device-width, initial-scale=1 DescriptionSearch millions of open source JavaScript packages on Skypack. Free to use. Og:titleSkypack: search millions of open source JavaScript packages Og:descriptionSearch millions of open source JavaScript packages on Skypack. Free to use. Og:image Og:urlhttps://www.skypack.dev Twitter:titleSkypack: search millions of open source JavaScript packages Twitter:descriptionSearch millions of open source JavaScript packages on Skypack. Free to use. Twitter:cardsummary Twitter:image