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unpkg.com

UNPKG

Last scanned Jul 29, 2026, 11:00 AM · 32 views

86

Overall score

Great

Summary

The CDN for everything on npm. This website uses Google Analytics behind Cloudflare CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Missing canonical link.

The CDN for everything on npm

Top issues to fix

8 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

70

SEO

5 issue(s) found

100

Performance

79 ms

80

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-2 overall since Jul 15, 2026

Overall
86
SEO
70
Security
80
Performance
100
Accessibility
100

Organization

Company details published in this site's own structured data.

The CDN for everything on npm

GitHubX (Twitter)X (Twitter)

Meta tags

Title
UNPKG
Description
The CDN for everything on npm
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
—
og:type
—
og:url
—

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

BootstrapGoogle Analytics

Hosting & CDN

Hosting provider
—
CDN provider
Cloudflare
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
unpkg.com
Valid from
Jul 11, 2026
Valid to
Oct 9, 2026
Days until expiry
72
SAN domains
unpkg.com, esm.unpkg.com, *.esm.unpkg.com

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsMissing
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 6 · H3 0

Links

18 internal · 19 external · 20 broken

Images

0 total · 0 missing alt

Scripts / Styles

4 scripts · 2 stylesheets

JS / CSS size

394 B · 0 B

Page size

40.6 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing canonical link
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://unpkg.com
Final URL
https://unpkg.com
HTTP status
200
HTTP version
HTTP/2
Response time
79 ms
HTML size
40.6 KB
Redirect chain
https://unpkg.com

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does unpkg.com use?
unpkg.com is built with Bootstrap, Google Analytics.
Is unpkg.com secure (HTTPS)?
Yes. unpkg.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 9, 2026.
Who hosts unpkg.com?
Hosting provider information for unpkg.com is not available yet.
What is unpkg.com's SEO score?
unpkg.com scored 70/100 for SEO in the latest analysis (fair).
What is unpkg.com's overall website score?
unpkg.com has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
Has unpkg.com's score changed over time?
unpkg.com's overall score has declined by 2 points (from 88 to 86) since Jul 15, 2026.