skypack.dev
Skypack: search millions of open source JavaScript packages
Last scanned Aug 6, 2026, 2:00 AM · 11 views
Overall score
Great
Summary
Search millions of open source JavaScript packages on Skypack. This website uses Google Analytics hosted on AWS behind Vercel CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing canonical link.
Search millions of open source JavaScript packages on Skypack. Free to use.
- United States
- Hosted on AWS
Top issues to fix
7 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+1 more issue — details in the sections below.
SEO
3 issue(s) found
Performance
14 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+8 overall since Jul 26, 2026
- Overall
- 88
- SEO
- 80
- Security
- 75
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Search millions of open source JavaScript packages on Skypack. Free to use.
Contact
Email, phone, and address published on this site's own pages.
- info@pika.dev
Meta tags
- Title
- Skypack: search millions of open source JavaScript packages
- Description
- Search millions of open source JavaScript packages on Skypack. Free to use.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS |
|
| CAA |
|
| CNAME |
|
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- www.skypack.dev
- Valid from
- Jul 24, 2026
- Valid to
- Oct 22, 2026
- Days until expiry
- 77
- SAN domains
- www.skypack.dev
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 4 · H2 1 · H3 0
Links
6 internal · 5 external · 1 broken
Images
0 total · 0 missing alt
Scripts / Styles
4 scripts · 2 stylesheets
JS / CSS size
171 B · 60.9 KB
Page size
32.4 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://skypack.dev
- Final URL
- https://www.skypack.dev/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 14 ms
- HTML size
- 32.4 KB
- Redirect chain
- https://skypack.dev → https://www.skypack.dev/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does skypack.dev use?
- skypack.dev is built with Svelte, Bootstrap, Google Analytics.
- Is skypack.dev secure (HTTPS)?
- Yes. skypack.dev uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 22, 2026.
- Who hosts skypack.dev?
- skypack.dev is hosted on AWS, behind Vercel CDN.
- What is skypack.dev's SEO score?
- skypack.dev scored 80/100 for SEO in the latest analysis (great).
- What is skypack.dev's overall website score?
- skypack.dev has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- Has skypack.dev's score changed over time?
- skypack.dev's overall score has improved by 8 points (from 80 to 88) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card