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.

unpkg.com is hosted on Cloudflare, behind Cloudflare CDN.

What is unpkg.com's SEO score?

unpkg.com scored 75/100 for SEO in the latest analysis (fair).

What is unpkg.com's overall website score?

unpkg.com has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.

unpkg.com

UNPKG

Last scanned Jul 14, 2026, 1:29 PM

Overall score

Great

Summary

This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Missing canonical link.

SEO

4 issue(s) found

100

Performance

208 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Organization

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

GitHub X (Twitter)X (Twitter)

Technologies

Detected frameworks, languages, and tools.

Bootstrap Google Analytics

Hosting & CDN

Hosting provider: Cloudflare
CDN provider: Cloudflare
IP address: 104.18.0.22
ASN: AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

Type	Value
A	104.18.0.22 104.18.1.22
AAAA	2606:4700::6812:16 2606:4700::6812:116
MX	route1.mx.cloudflare.net route3.mx.cloudflare.net route2.mx.cloudflare.net
TXT	v=spf1 include:_spf.mx.cloudflare.net ~all
NS	alexia.ns.cloudflare.com weston.ns.cloudflare.com
CAA	—
CNAME	—
IPv6 support	Yes

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: 87
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 · 1 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: 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
sitemap.xml not found

Scan details

Requested URL: https://unpkg.com
Final URL: https://unpkg.com
HTTP status: 200
HTTP version: HTTP/2
Response time: 208 ms
HTML size: 40.6 KB
Redirect chain: https://unpkg.com

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?: unpkg.com is hosted on Cloudflare, behind Cloudflare CDN.
What is unpkg.com's SEO score?: unpkg.com scored 75/100 for SEO in the latest analysis (fair).
What is unpkg.com's overall website score?: unpkg.com has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.