cdnjs.com
cdnjs - The #1 free and open source CDN built to make life easier for developers
Last scanned Jul 29, 2026, 7:00 PM · 13 views
Overall score
Great
Summary
Simple. This website uses Nuxt behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Simple. Fast. Reliable. Content delivery at its finest. cdnjs is a free and open-source CDN service trusted by over 12.5% of all websites, serving over 200 billion requests each month, powered by Cloudflare. We make it faster and easier to load library files on your websites.
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-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
4 issue(s) found
Performance
16 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 22, 2026
- Overall
- 89
- SEO
- 80
- Security
- 80
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Simple. Fast. Reliable. Content delivery at its finest. cdnjs is a free and open-source CDN service trusted by over 12.5% of all websites, serving over 200 billion requests each month, powered by Cloudflare. We make it faster and easier to load library files on your websites.
Meta tags
- Title
- cdnjs - The #1 free and open source CDN built to make life easier for developers
- Description
- Simple. Fast. Reliable. Content delivery at its finest. cdnjs is a free and open-source CDN service trusted by over 12.5% of all websites, serving over 200 billion requests each month, powered by Cloudflare. We make it faster and easier to load library files on your websites.
- Canonical
- https://cdnjs.com
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- IP address
- —
- ASN
- —
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
- cdnjs.com
- Valid from
- Jul 25, 2026
- Valid to
- Oct 23, 2026
- Days until expiry
- 85
- SAN domains
- cdnjs.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 1 · H3 0
Links
4 internal · 23 external · 20 broken
Images
2 total · 0 missing alt
Scripts / Styles
8 scripts · 0 stylesheets
JS / CSS size
196 B · 57.6 KB
Page size
76.1 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://cdnjs.com
- Final URL
- https://cdnjs.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 15 ms
- HTML size
- 76.1 KB
- Redirect chain
- https://cdnjs.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does cdnjs.com use?
- cdnjs.com is built with Nuxt, Cloudflare Analytics.
- Is cdnjs.com secure (HTTPS)?
- Yes. cdnjs.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 23, 2026.
- Who hosts cdnjs.com?
- Hosting provider information for cdnjs.com is not available yet.
- What is cdnjs.com's SEO score?
- cdnjs.com scored 80/100 for SEO in the latest analysis (great).
- What is cdnjs.com's overall website score?
- cdnjs.com has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
- Has cdnjs.com's score changed over time?
- cdnjs.com's overall score has declined by 3 points (from 92 to 89) since Jul 22, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card